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1.The app economy has three main problems:

  1. Advertising. Relies on many inefficient middlemen, increasing the cost of user acquisition
    for app developers, reducing transparency and generating fraudulent transactions.
    Nowadays, only 4% of the app downloads are triggered by advertising.
  2. App monetisation and in-app purchases (IAP). Still not massified and can be costly. IAPs
    rely on payment methods and flows that are not accessible to many users. Especially in
    emerging markets where the transactions costs are high, with significant margins being taken
    by payment processors and other FinTech middlemen. Currently, only 5% of users purchase
    items in apps.
  3. App approval. Inefficient process related with users’ cybersecurity and apps quality
    assurance that is currently being handled by each centralised app store with non-transparent
    flows and policies that affect developers’ and users’ trust.
    The solution is AppCoins, an open and distributed protocol for app stores based on the Ethereum blockchain. It proposes to move all three flows to the blockchain. This removes intermediation
    and redistributes the value released in a way that creates incentives for end-users, developers and
    app stores alike.
    In advertising, the protocol guarantees not only that the users install apps but that they pay
    attention to it for at least 2 minutes. AppCoins calls this Cost Per Attention (CPAt). The value invested
    by the developer in CPAt is used to award users with AppCoin tokens. IAP will grow with users using
    their earned AppCoins or by purchasing them through exchanges. App approvals are made
    universal and more transparent through a developer reputation system. The reputation is tied to the
    financial transactions on the public ledger and is auditable. A dispute system will be created so that
    AppCoin owners can vote to rank developers.
    The AppCoins business model will have a considerable impact on the app economy. It enables
    a transition towards a circular economy, reusing value that was previously drained by intermediaries.
    For now, the AppCoins protocol will focus on the Android market, which has 81.7% of market share.
    The first app store to integrate the AppCoins protocol is Aptoide. With over 200 million active users,
    4 billion downloads and 6 years on the market, it is one of the biggest third-party Android app stores.
    Aptoide projects that more than 1.3 billion users will use app stores powered by AppCoins in 5 years.
    White paper | AppCoins 2
    Table of Contents
    Abstract......................................................................................................................................1
    1 AppCoins overview .............................................................................................................3
    The solution .................................................................................................................................3
    Strategies to promote AppCoins adoption ..................................................................................9
    AppCoins Use Cases...................................................................................................................10
    2 Analysis of AppCoins Model and Impact ........................................................................17
    2.1. Transparency and Openness .....................................................................................................17
    2.2. Closing the Loop Towards a Circular Economy..........................................................................17
    3 Business Case ......................................................................................................................19
    AppCoins adoption ....................................................................................................................19
    In-store App Advertising............................................................................................................21
    In-App Purchases.......................................................................................................................23
    AppCoins added value to the App Economy .............................................................................25
    4 The App Store Foundation................................................................................................28
    Overview....................................................................................................................................28
    Objectives..................................................................................................................................29
    Operational aspects for the ASF formation ...............................................................................29
    5 Roadmap ............................................................................................................................30
    Organisational ...........................................................................................................................30
    Technical....................................................................................................................................31
    Business.....................................................................................................................................33
    6 Token Allocation, Crowdsale and Bootstrap ..................................................................33
    Token Allocation........................................................................................................................33
    Bootstrap strategy .....................................................................................................................37
    7 AppCoins team ..................................................................................................................38
    8 About Aptoide....................................................................................................................41
    9 References ........................................................................................
    White paper | AppCoins
    1 AppCoins overview
    The solution
    AppCoins is an open and distributed protocol for app stores based on the Ethereum blockchain
    and smart contracts. It redesigns app advertising, in-app purchases (IAP) and app approval flows
    through a circular model. As a higher share of the advertising and IAP revenue is kept within the app
    ecosystem, more value is rooted back into the app economy. Being an open protocol, it also provides
    more transparency and trust. Multiple app stores can implement and benefit from this and
    stakeholders will contribute to its development and adoption. Furthermore, simple API integration
    will allow easy implementation.
    Figure 1 - AppCoins solution
    Through AppCoins we can integrate app stores, users, developers, advertisers and OEMs. This
    system is app store agnostic, existing across different mobile platforms (Android & iOS). In
    AppCoins, the different app stores act as oracles of the smart contracts, which are associated with
    each of the platform’s core transactions. This system creates a trust layer for the economy, rendering
    many middlemen obsolete. AppCoins aims to become the universal language of the app economy.
    The protocol also includes a so-called Proof-of-Attention system. Users, app stores, and OEMs
    receive tokens through the Proof-of-Attention concept as a reward. Developers that want to advertise
    their apps can be sure that the user has installed and used it. The users reinvest their tokens via inapp
    purchases and this creates a virtuous loop that boosts the AppCoins economic growth.
    White paper | AppCoins 4
    In-store App Advertising
    Developers are willing to pay for app installs (via advertising) but there is fraud and high costs of
    intermediation (ad servers, tracking platforms, etc.). With the AppCoins protocol, advertising
    transactions are on the blockchain. Developers publish ad offers to a certain app store by creating
    a smart contract. The tracking of the app installation and usage occurs via Proof-of-Attention,
    reducing fraud. Each app store acts as an oracle, which unlocks developer’s funds through a smart
    contract.
    How it works:
    • The developer pays for the user’s attention (CPAt) – defined at a 2-minute threshold.
    • The user receives 85% of advertising revenue in their wallet. This value can be used to pay
    for in-app purchases.
    • The app stores will receive 10% of the revenue for distributing the APK and for being the
    oracle of the smart contract.
    • OEMs who distribute the solution in their devices will receive 5% for the role of pre-loading
    the app stores and bringing their user base to the system.
    Figure 2- AppCoins advertising flow
    White paper | AppCoins 5
    The app store will validate the time spent in the app without any intermediaries and will record it
    on the blockchain. Afterwards, a smart contract transfers AppCoins from the developer’s wallet to
    the user’s wallet, OEM, and app store.
    Example for Advertising (Smart Contract 1)
    When the app store (oracle) confirms the user attention (minimum time using the app) it stores
    the Proof-of-Attention on the blockchain. As soon as this happens, there’s a transfer from the
    developer’s wallet to the user’s wallet (85%), app store (10%) and OEM (5%). The value of the
    transfer equals the ad bid.
    In-app Purchases
    Many users want to buy items inside apps, but often don’t have the means (methods or money).
    AppCoins can be used to pay for IAP in any app store. Users may earn AppCoins by installing and
    paying attention to advertised apps, which is a way to engage and incentivise users to participate in
    the economy. Moreover, AppCoins will be available on several global platforms where users can
    exchange fiat currency for the tokens. It will also be possible to send/receive tokens to/from other
    users.
    Figure 3 - AppCoin IAP flow
    How it works:
    ● The price of each in-app item is catalogued in the blockchain, using the developer’s
    private signature. After the sale, the user can continue to use the IAP item since the proof
    of payment is on the blockchain. Each user can also send non-consumed items to other
    users.
    ● Users buy in-app items with AppCoins earned from advertising, exchanged for fiat
    currency or sent by other peers (P2P transfers).
    White paper | AppCoins 6
    ● Developers receive 85% of the IAP transaction in their wallet directly from the user’s
    wallet.
    ● The price can be dynamically established by the developer and may change during the
    app’s lifetime.
    ● The app stores will get 10% of the revenue of purchases made by users, for the role of
    distributing the APK and as an oracle of the smart contract.
    ● AppCoins are independent of the store and can be used elsewhere for apps consumption,
    even across app platforms.
    ● OEMs (who distribute the solution in their devices) will receive 5% for the role of preloading
    the app stores adopting this solution.
    Developer’s Ranking
    A developer’s reputation is based on their transactional history on the blockchain. The reputation
    of all listed apps is tied to the developer’s reputation. It becomes easy to secure the platform since
    app approval is automated.
    Nowadays, users already have tools like comments, ratings and malware flags to rank apps and,
    inherently, developers. These important feedbacks are analyzed by quality assurance teams, which
    is an inefficient and costly service. AppCoins protocol provides an automated governance system
    for app approval based on the developer’s ranking. This brings huge efficiency to the quality
    assurance and apps approval processes.
    Furthermore, the proposed developer’s ranking will (1) promote transparency in the app approval
    process of app stores, defining a trust circle with different levels as well as rewards; and (2) a system
    that promotes the engagement of users in this ranking, performed by a dispute system with
    incentives. AppCoins ensures an improved experience for users and developers and makes app
    stores safer from malicious software.
    How it works:
    The developers’ apps ranking system is stored in the distributed blockchain, which the app stores
    have access to. Management of this “Chain of Trust” is performed by the community/industry,
    cooperating in an efficient way.
    The AppCoins “chain of trust” model exhibits three different types of reputation for developers:
    Trusted: The apps of a Trusted developer are considered safe.
    White paper | AppCoins 7
    Critical: Apps not considered safe and therefore blacklisted.
    Unknown: Preliminary status referring to developers before any app has been uploaded. Once
    an uploaded app is considered safe, the status changes to Trusted. If the app is deemed unsafe, it
    changes to Critical.
    For a Trusted Ranking:
    There are different “trusted” rank levels and they will be automatically calculated depending on
    the amount of IAP and advertising transactions in the blockchain.
    The trusted status is defined by the interaction or volume of transactions of apps and not the
    downloads.
    The higher the developer engagement in paying for ads, the higher the user engagement,
    measured both in proof-of-attention and IAP.
    The popularity of apps will influence the trusted ranking of a developer. Top games and apps will
    by default have more transactions (ads and IAP) and, therefore, will enjoy a higher trusted rank.
    Figure 4 - AppCoins developer's ranking
    White paper | AppCoins 8
    Example:
    A developer uploads an app for the first time and is classified as Unknown. By creating an advertising
    campaign to acquire users, thus creating a transaction flow, the ranking moves from Unknown to
    Trusted. Users purchase in-app items and, by creating more transactions, increase the level of trust
    of the developer in the process.
    For the Dispute system (giving a “critical” classification):
    When malware is detected in an app or if a user wants to report a low-quality app, the dispute
    system will use a consensus protocol to mitigate the dispute. AppCoins will play a critical role in this.
    Figure 5 - Ranking dispute
    White paper | AppCoins 9
    ● The opening of a dispute intent - blockchain will allow 7 days in order for other users to
    respond to a negative classification (intent).
    ● In case of no response – the developer’s reputation drops down to critical status;
    ● In case of a response - The user pays a fee in AppCoins to respond and the dispute is
    open for 30 days so other users can also respond similarly. The dispute will have 2 sides:
    ● Contestants (bad ranking side)
    ● Pleaders (developer’s side – who want the developer to keep a good ranking)
    ● After the 30 days, the side that has most AppCoins will win. If the Contestants side wins,
    the developer is classified as Critical, if the Pleaders side wins, the developer stays or
    becomes classified as Trusted, so a 50%+1 evaluation of the side that wins.
    ● There is an incentive mechanism: the side that wins will get their AppCoins invested in
    the dispute refunded. The side that loses will also get refunded with the AppCoins
    invested minus 10%. The 10% taken out of the “losing side” will be divided by the winning
    side (proportional to the amount that user put in).
    App stores can decide themselves if they want to hide or remove the app if it is classified as
    critical.
    Strategies to promote AppCoins adoption
    There are several factors that will encourage the adoption of AppCoins protocol among users
    and developers.
  4. The initial support of Aptoide, a third-party app store with 200 million users and more
    than 15 thousand developers enrolled. AppCoins will benefit, since the beginning, of this
    wide user base and partnerships.
  5. The creation of the App Store Foundation (section 4.), which will have the aim of
    encouraging other app stores to adopt AppCoins. Inherently, these app stores will
    promote the adoption of the protocol by their customers and partners.
  6. The users’ compensation system, not found in any app store, is a catalyst of more inapp
    purchases and of accessibility for new paying customers to be active in the app
    economy.
  7. The trust of customers on the this blockchain based payment mechanism for mobile
    apps (inherent to blockchain).
    Complementing these factors, 20% of the tokens are reserved for bootstrapping the adoption of
    users, developers and OEMs. The specific actions are presented in section 6.2.. On the section 3 is
    presented a reasoned business case to sustain these strategies and forecast the evolution of
    adoption of AppCoins.
    White paper | AppCoins 10
    AppCoins Use Cases
    In this section AppCoins use cases for both the consumer and business sides are explained.
    Users with no payment system access
    Everson has an Android smartphone and loves to play games. He would love to purchase inapp
    items. But the problem is that he doesn’t have a credit card or an easy way of sending money
    to his game wallet.
    Consumers in emerging economies such as Brazil still prefer to rely on bank transfer (35%),
    credit/debit card (21%) and mobile carrier billing/SMS (16%) for in-app transactions [16]. Digital
    wallets account for only 15% of all transactions. Few of Everson’s friends have a credit card. Even
    fewer do payments online, although he and his friends all own smartphones.
    The father of one of his friends has a credit card and is able to pay through his phone. Everson’s
    friend offers to send him 10 AppCoin tokens in exchange for local fiat money. All he has to do is
    install an AppCoins affiliated app store. Then he can start using his AppCoins through their IAP
    system on his favourite Android games.
    White paper | AppCoins 11
    Users with low financial resources
    Arun has a small YouTube channel talking about Android apps. Most of his audience are his
    friends. He’s always looking for free alternative apps to well-known tools. Arun also looks for
    freemium games that he can play offline. Arun doesn’t have a lot of money to spend. Many of his
    followers on YouTube ask him to review premium features of apps, but he is unable to buy them. If
    only he could earn some free credit to unlock those features through IAPs. In India, only 3%
    (compared to 5% globally) of smartphone app users buy in-app items [1].
    These problems are solved once he tries AppCoins. Now he plays an important role in the app
    economy. AppCoins value his willingness and availability to try new apps and games. The more time
    he spends using new apps, the more APPC he obtains.
    White paper | AppCoins 12
    Indie Developers
    Growstrong Studios is an indie developer. They have been doing paid advertising on app
    stores to acquire new users. They have noticed two different patterns:
  8. A lot of traffic is fraudulent, as the installs they are receiving are not real users; and
  9. Many of the real users don’t spend more than a few seconds on the app. So far, all of
    their marketing investment has been wasted.
    Mobile app developers still suffer from App Discovery issues, especially indie developers. The
    1000th most popular app in the market only has 0,2% of the users [2]. Breaking through the noise is
    still the no. 1 issue faced by indie developers. Current mobile advertising is not a solution either.
    Mobile ad fraud losses may reach $16.4 billion in 2017 [3]. A lot of mobile advertising is ineffective;
    only 4% of app installs are triggered by advertising. Also, ad fraud practices such as false clicks and
    installs are rampant.
    After testing AppCoins, Growstrong Studios conclude that it makes it considerably more difficult
    to fake installs or actions. This reduces fraud and guarantees that the users at least try the app,
    increasing the chances of retention. To further boost conversion, they award the user a few
    AppCoins for the install and attention. They can even run promotions for them, such as offering items
    with a special AppCoins price. It’s a win-win.
    White paper | AppCoins 13
    Top Developers
    Mega is one of the top developers in the world. It has an app portfolio that includes mobile games
    that rank amongst the top 100 most popular. It keeps introducing new apps in the market, but it’s
    getting harder to get these new games noticed. The market is overcrowded and the acquisition
    efforts are very costly. In the meantime, Mega’s cash cows won’t last forever. Despite being a top
    developer they still run the risk of losing market share to the app economy’s long tail.
    Analysing app development companies at Google Play Store we can infer that some top
    developers may have unbalanced app portfolios. Supercell for example — a leading mobile app
    development studio — has most of their downloads from a single game.
    Mega’s new app development processes can be improved with the extra cash flows coming from
    the AppCoins economy. This allows them to put better apps in the market faster. Users also have
    more financial power to enjoy the paid in-app experiences.
    White paper | AppCoins 14
    Independent App Stores
    MainApps is an independent Android app store that has a critical issue: the difficulty to confirm
    the identity of developers. They need to confirm these identities to control the quality of new app
    uploads. To solve that, they have their own quality assurance process, but that process is only
    partially automated.
    The combined revenue of independent App Stores in 2017 nearly matches Google Play’s
    revenue at $20 Billion [4]. These are important players which have struggled with app quality issues
    [5].
    AppCoins allows MainApps to check the blockchain to determine the developer’s reputation
    based on previous transaction data and disputes. This way, MainApps can benefit from a standard
    transparent global quality assurance system.
    White paper | AppCoins 15
    Regional App Stores
    Markyt is a regional Android app store. One of the main problems that it faces is the difficulty in
    obtaining access to global content. They have very good relations with local developers, and they
    have good processes to certify their identities, given that there are fewer. The main problem is getting
    global top developers to submit their own content to an app store they don’t know, especially given
    the difficulties with their QA processes.
    Approximately 99% of the app economy revenue in China comes from regional app stores [6].
    Regional app stores are important in regions such as Russia, China, India, South-America [7] and
    the Middle-East [8]. They all experience problems with lack of access to AAA content.
    AppCoins is a trustworthy environment where top developers are open to submit their content to
    different app stores. They don’t need to create special versions of their content to process IAP
    anymore. This gives developers the ability to access previously untapped geographies. AppCoins
    provides a standardised interface for developers to receive payments in any app store. Top
    developers now have a reason to trust Markyt and are willing to try out these new app stores, since
    app distribution is simplified and in return they can earn more profits.
    White paper | AppCoins 16
    OEMs
    Truepad is one of the largest equipment manufacturers in the world. It enjoys a strong market
    share in the Android tablets market and sells millions of devices from Shenzhen to the world. It also
    has its own Android app store that comes pre-installed, TrueApps, because that way the company
    can avoid using Google Services (which provides a low return for them). In theory, Truepad could
    get a large number of apps given its reputation as an OEM, but developers prefer to upload their
    content to the well-known stores. The company’s main issue is attracting new and updated content
    to make their app store useful to their devices.
    The Smartphone OEM “Big Four” in China hold 22.1% of the global vendor market share [9].
    They've been left out of the app monetisation payoff, but they are one of the main drivers of the app
    economy growth, given that they select which app store to provide on their devices.
    AppCoins allows Truepad to monetise its devices through the OEM share included in the smart
    contracts. It also allows the OEM to scale its content offer by partnering with app stores. The AppCoin
    protocol allows it to integrate with different app stores and monetise on their large user base.
    Truepad still keeps its own proprietary app store and catalogue while generating leads for existing
    app stores.
    White paper | AppCoins 17
    2 Analysis of AppCoins Model and Impact
    2.1. Transparency and Openness
    The mobile attribution model assumes the advertiser and the publisher don't trust each other.
    Thus, it relies on a third-party to confirm the advertising results. AppCoins renders the third party
    obsolete through Proof-of-Attention, with costless built-in transparency enforced by the underlying
    blockchain. Costless verification is one of the main benefits of blockchain-based financial systems
    [10].
    Additionally, AppCoins transactions rely on publicly available smart contracts. It means that all
    parties have the mathematical assurance that they can trust each other. Privacy is also safeguarded:
    cryptography ensures that we can verify transactions without accessing private data. When we have
    a trustworthy system that also ensures privacy we are facing a truly open economy, which eliminates
    transactional risks that currently exist. It also creates a safe plug-and-play environment for open
    innovation from firms.
    Recent research suggests that open innovation fosters knowledge spill over effects between
    firms. This has a positive net effect on overall economic performance [11]. Existing open platforms
    such as Android have generated higher levels of innovation [12]. Android, in particular, has achieved
    market leadership very fast (86% as of 2017 [13]). AppCoins’ transparency and openness should
    boost innovation in the app economy in a similar manner.
    2.2. Closing the Loop Towards a Circular Economy
    One of the central aspects of the AppCoins business model is its circular economy. Value
    previously drained by intermediaries now stays in the system, as a means for users to be active in
    the app economy. This conception aligns with circular economy principles, bringing huge financial,
    social and environmental benefits. The circular economy has attracted the attention of major global
    companies like Google, Unilever and Renault [14]. Global economies are transitioning from the linear
    model (“take, make, dispose” [15]) to the circular model (“closing loops” [14]). The Ellen MacArthur
    Foundation estimates the potential impact on the net savings of the EU to be $630 billion per year
    White paper | AppCoins 18
    [16]. This led the EU to recently provide funding to support it: over €650 million under Horizon 2020
    and €5.5 billion under the structural funds [17]. Despite being associated with manufacturing, these
    benefits are being transposed to the digital economy, as shown in Google’s case study [18].
    The principles of the circular economy include, among others, the need to build resilience, to
    think in systems and to share value [14]. Figure 6 shows the envisioned transition of the app
    economy towards a Circular App Economy using AppCoins.
    Figure 6: AppCoins closing loops towards a Circular App Economy
    The current app economy has gaps. It has no way of reusing resources or building resilience into
    the system. There are several capital drainers, which prevent the economy from growing optimally.
    These capital drainers are the payment industry and adtech middle-men. They offer very low efficacy
    and efficiency. Currently, only 4% of app downloads are triggered by advertising, and only 5% of
    monthly active users make purchases in the app economy [19]. Therefore, there is no reuse of value
    within the system, and little value is brought to the key players of the economy: the developers and
    the users.
    On the next section, we present a business case that provides a clear vision of the benefits of
    moving from the current app economy to a circular economy like the one proposed by AppCoins
    model.
    White paper | AppCoins 19
    3 Business Case
    The app economy focuses on a global high-volume market that is still growing fast. This business
    handled 149.3 billion app downloads in 2016, a number that is expected to more than double by
    2020 [20]. In March 2017, the Google Play Store had 2.8 million apps available, Apple’s App Store
    had 2.2 million, and the Amazon app store had 600 thousand [21], while Aptoide currently has more
    than 1 million. Despite being able to encompass the whole app economy, the AppCoins project will
    focus on the Android market first, which, by the last quarter of 2016 had a market share of 81.7%
    [22]. In terms of value, the apps market was, by 2016, a $88.3 billion industry, a value that is expected
    to more than double by 2020 [23]. However, the app economy has the several inefficiencies
    previously presented, namely the heavy intermediary services that add little value to the key
    stakeholders, and the very low percentage of users able, or willing, to pay for apps or purchase inapp
    items. In the following business case, we provide grounded forecasts for the launch of AppCoins
    in the app economy, and its impact. We focus on: a) AppCoins users’ adoption; b) In-store app
    advertising; c) IAP; and d) The added value to the app economy from the perspective of users,
    developers, app stores, OEMs, and also adtech and payments industry.
    AppCoins adoption
    The evolution of AppCoins adoption is based on several factors. The first is the support of
    Aptoide, a successful European app store with 200 million unique users doing at least one download
    in 2017. This app store will promote the initial adoption of the system by integrating the platform and
    by promoting AppCoins to its users, developers, and partners. A second factor is the creation of the
    App Store Foundation. As described in the next chapter, this foundation will have the aim of
    building, through open governance, a community of app stores that, by adopting AppCoins and by
    offering it to its user base, will significantly increase the number of users adopting the system. The
    other factors that will influence the adoption of AppCoins are the characteristics of the model itself.
    Some examples are the users’ compensation, not found in other app stores, which has the ability
    of bringing new user segments to the app economy (users without money or payment methods), and
    the trust that comes from blockchain’s security and transparency features. Another key
    characteristic of the AppCoins model is the reduction of the intermediation of the adtech industry.
    This action tends to lower the costs of app advertisement to the developers, promoting their adoption
    White paper | AppCoins 20
    and of the users of their apps. We envision that these disruptive characteristics, associated with the
    network effects related with the market introduction of the solution, will be able to foster the organic
    growth of the user base, engaging new users and attracting users from the competition.
    Table 1 - Users' Adoption of AppCoins
    Month 6 Month 12 Month 18 Month 24 Long Term
    (Month 60)
    Beta users Early Adopters: Aptoide
    App Store
    Consolidated
    bootstrap strategy
    results
    App Store Foundation:
    First set of app stores’
    community
    40% of the whole apps
    industry
    Monthly Active
    Users (MAU)
    Forecast
    10 000 18 000 000 41 000 000 95 000 000 1 300 000 000
    To support the previous assumptions we have built a Bass Diffusion Curve (a consumer growth
    model [24][25]) able to forecast the progression of the users’ adoption with the following parameters:
    ● Seed value of 10 000 MAU, which will be achieved with Aptoide’s initial support.
    ● Word of Mouth (WoM) effect parameter below average: ! = 0.083 (average of the market
    is ! = 0.380).
    ● Paid advertising effect below average: ' = 0.001 (average of the market is ' = 0.030).
    ● Baseline forecast for the number of users in the app economy according to Statista [26].
    The WoM parameter below average, the low paid advertising and the low number of early
    adopters (considering Aptoide’s support), grants the forecast shown in Table 1 a conservative
    perspective. Table 1 may be read and explained as follows:
  10. 10 000 beta users by the 6th month after the beginning of the project;
  11. 18 million early AppCoins’ adopters by the 12th month, leveraging on Aptoide’s support;
  12. 41 million users when the bootstrap strategy is consolidated (18th month), following the
    strategies described in section 6.2. At this moment, the App Store Foundation assumes
    the governance of the project;
  13. 95 million MAU by the 24th month, based on Aptoide’s MAU, the bootstrap strategy
    completion and on the efforts of the App Store Foundation for engaging 4 to 6 app stores;
  14. 1.3 billion MAU in the long-term: after 5 years, we aim to have 40% of the mobile apps
    market adopting AppCoins, which is coherent with the Bass Diffusion Curve model
    previously described.
    White paper | AppCoins 21
    In-store App Advertising
    In apps advertising, we propose to reduce the intermediation of the adtech industry, transferring
    its value (its revenue share) to users, giving them the means to be more active and engaged in the
    apps economy. We have thus built the following assumptions:
    a. Users will do more installs triggered by ads than they do today in order to earn AppCoins,
    which they can use to purchase items in apps. Currently, based on Aptoide’s business
    intelligence data, only 4% of the apps downloaded are triggered by ads. However, studies
    from 2017 show that a user is 27% more likely to convert when being rewarded to watch an
    ad [27]. Therefore, conservatively, we forecast a gradual increase from the 4% of current CPI
    model, to achieve 27% of downloads triggered by AppCoins ads at the limit of our timeline (5
    years).
    b. Due to the reduction of intermediaries, developers will immediately pay less per attention
    (CPAt) than they pay currently per install (current default CPI model). The adtech industry
    share is between 40% and 70% of the value paid by developers. Moreover, currently, the
    average CPI on the Android market is $0.53 [28]. Conservatively, due to the
    disintermediation, we have assumed an average CPAt 30% below the current average CPI.
    c. Due to its added value to the market (more downloads triggered by ads; more users doing
    IAP) we assume that from the 12th month onwards, AppCoins’ CPAt value will equal the
    rate of increase of conversions (percentage of downloads triggered by ads). This is a
    conservative perspective, based on the higher demand of App Advertising services when
    these prove their benefits.
    d. Currently, each user makes an average of 8.33 downloads per month (Aptoide’s business
    intelligence source).
    e. A forecast of the number of transactions and revenue without AppCoins has been achieved
    considering the current known facts (4% of downloads triggered by ads and $0.53 of average
    CPI).
    White paper | AppCoins 22
    Table 2 - App Advertising Monthly Transactions and Revenue
    Today Month 6 Month 12 Month 18 Month 24 Long Term
    (Month 60)
    In-store
    Apps Ads
    MAU 10 000 18 000 000 41 000 000 95 000 000 1 300 000 000
    Average CPAt
    (assumption b. and c.) $0.53 $0.37 $0.40 $0.42 $0.43 $0.48
    Number of monthly app
    downloads
    (assumption d.)
    83 333 150 426 767 346 715 342 790 805 442 10 895 749 417
    % of downloads triggered by
    AppCoins ads
    (assumption a.)
    4% 6.3% 10.9% 15.5% 20.1% 27%
    Number of monthly ads
    transactions (downloads
    triggered by ads)
    5 250 16 396 518 53 740 878 158 951 894 2 941 852 343
    Monthly revenue of in-store
    apps ads $1 948 $6 502 842 $22 597 577 $68 736 775 $1 403 658 680
    Transactions without AppCoins 3 333 6 017 071 13 868 614 31 632 218 435 829 977
    Revenue without AppCoins $1 767 $3 189 047 $7 350 365 $16 765 075 $230 989 888
    Table 2 uses the previous assumptions and known data to forecast the progression of in-store
    app advertising transactions and revenue with AppCoins. The forecast shows that despite the
    reduction of the price of CPAt when compared to current CPI models (lower costs for developers),
    after 12 months the monthly revenue with AppCoins more than doubles the current revenue of instore
    App Advertising. After 24 months, the monthly revenue with AppCoins is 4 times bigger than
    the revenue without AppCoins. Even if the market revenue doubles as it is forecasted [23], AppCoins
    will still have a revenue that is twice as large. Moreover, in the long term, the difference between the
    AppCoins model and current the default CPI model still sharpens.
    Note: 85% of the share of the previous revenue goes to the users, who have to spend the value
    earned in the app economy.
    White paper | AppCoins 23
    In-App Purchases
    Considering app advertising as the economic flow that will have most of the related value
    redirected to promote users’ activity in the app economy, the IAP is where this activity takes place.
    Figure 1 depict the flow between app advertising and IAP, in the AppCoins loop (or reuse). To
    support the business scenario, we have built the following assumptions. With AppCoins:
    a. On average, each user will spend more on IAP. We assume that this will happen due to
    the more trustful and transparent environment, and the improved engagement (akin to
    gamification) of the users with the system through its compensation mechanism. Currently,
    the average IAP per paying user, per month, in the Android market is $6.19 [29]. Adding to
    this value, users will have the earned AppCoins available, equivalent to 85% of the ad
    conversion related revenue (starting with the CPAt $0.37 - Table 2 -, where users will receive
    $0.31 per ad triggered conversion). We assume that, with AppCoins, the average IAP per
    paying user will be equal to the current average IAP per paying user plus the AppCoins
    earned by each user per month (85% of the CPAt multiplied by the number of AppCoins’
    conversions per user). Given that the CPAt will increase (Table 2), the average IAP per
    paying user will also increase (proportionally). Table 3 shows this scenario, which
    conservatively leads to a moderate increase in the average IAP per paying user. This is
    coherent with the larger user base engaging in IAP, which is the strongest argument of the
    AppCoins model.
    b. The percentage of users engaging in IAP will increase. This growth is one of the goals
    and strengths of AppCoins. The system is more inclusive, allowing users that do not have
    money or payment mechanisms to earn value to spend in the economy. Moreover, users
    have to spend all the AppCoins earned in the app economy. Given that studies from 2017
    show that a user is 27% more likely to convert when being rewarded to watch an ad [27], we
    envision a growth of the percentage of MAU engaging in IAP from the current 5% [19] to 27%
    by the end of our forecast period (5 years). This growth is also sustained with a similar growth
    of the percentage of downloads triggered by ads. Given that users have to spend the earned
    AppCoin tokens (for anti-fraud reasons, explained in the technical specifications, users
    cannot exchange earned AppCoins for fiat money), we assume that there is a direct
    correlation between these two variables (percentage of users engaging in IAP and
    percentage of downloads triggered by ads, which leads to the earning of AppCoins).
    c. The forecast of the IAP revenue without AppCoins has been achieved considering the current
    known facts (5% of MAU engaging in IAP and $6.19 as average monthly IAP per paying
    user).
    White paper | AppCoins 24
    Table 3 - Monthly In-App Purchase Transactions and Revenue
    Today Month 6 Month 12 Month 18 Month 24 Long Term (Month

In-App Purchase
(IAP)
MAU 10 000 18 000 000 41 000 000 95 000 000 1 300 000 000
Average IAP per paying
MAU
(assumption a.)
$6.19 $6.36 $6.50 $6.65 $6.81 $7.10
% of MAU doing IAP
(assumption b.) 5% 7.2% 11.6% 16.0% 20.4% 27%

MAU doing IAP 720 2 093 941 6 656 935 19 358 917 353 022 281

of IAP Transactions 3 066 5 772 778 13 854 745 32 853 221 478 541 314

IAP Revenue $4 576 $13 602 673 $44 279 695 $131 750 654 $2 507 347 587
Revenue without AppCoins
(assumption c.) $3 095 $5 586 850 $12 877 008 $29 370 514 $404 668 133
Based on the assumptions and facts shown, Table 3 presents the business case related to the
IAP evolution. As can be seen, after 12 months, the IAP related revenue more than doubles and
after the 24th month the IAP revenue with AppCoins is 4 times larger than the revenue without this
model, which grants an unquestionable added value from AppCoins, even considering the potential
growth of the IAP market as it is.
White paper | AppCoins 25
AppCoins added value to the App Economy
To illustrate AppCoins’ added value to the app economy, we need to compare the new
distribution of value with the existing one. In regard to mobile app advertising, the revenue share
difference is the following:
Regarding IAP, currently the value paid by the users when purchasing something in an app has
the following distribution of shares:
With AppCoins, the shares are defined in public smart contracts, which brings transparency and
trust to the economy. In both cases, OEMs will have a share of 5% to promote the wide market
adoption of AppCoins. By providing app stores powering AppCoins by default on their devices, these
entities are seen as key drivers for AppCoins’ success.
With the revenue share distributions mentioned above, and the revenues of app advertising and
IAP shown on previous tables, it is possible to provide the following table that consolidates the
incomes of the key players in the app market.
White paper | AppCoins 26
Table 4 – Consolidation of monthly income shares with AppCoins
Month 6 Month 12 Month 18 Month 24 Long Term
(Month 60)
MAU 10 000 18 000 000 41 000 000 95 000 000 1 300 000 000
Users monthly
earnings
Users share on ads transactions 85%
Compensation generated $1 656 $5 527 416 $19 207 940 $58 426 259 $1 193 109 878
Compensation before AppCoins $0 $0 $0 $0 $0
Developers
monthly
incomes
Developers share on IAP 85%
Developers IAP revenue $3 890 $11 562 272 $37 637 741 $111 988 056 $2 131 245 449
Average CPI savings in ads due to
AppCoins $835 $2 187 312 $5 885 088 $15 507 728 $155 523 062
Developers revenue with AppCoins $4 724 $13 749 583 $43 522 829 $127 495 784 $2 286 768 511
Compensation before AppCoins $2 631 $4 748 823 $10 945 457 $24 964 937 $343 967 913
App stores
monthly
incomes
Ads transactions share 10%
IAP transactions share 10%
App stores ads revenue $195 $650 284 $2 259 758 $6 873 678 $140 365 868
App stores IAP revenue $458 $1 360 267 $4 427 970 $13 175 065 $250 734 759
App stores revenue with AppCoins $652 $2 010 552 $6 687 727 $20 048 743 $391 100 627
Compensation before AppCoins $1 591 $2 871 346 $6 618 102 $15 094 894 $207 978 065
OEMs
monthly
incomes
Ads transactions share 5%
IAP transactions share 5%
OEMs ads revenue $97 $325 142 $1 129 879 $3 436 839 $70 182 934
OEMs IAP revenue $229 $680 134 $2 213 985 $6 587 533 $125 367 379
OEMs revenue with AppCoins $326 $1 005 276 $3 343 864 $10 024 371 $195 550 313
Compensation before AppCoins $0 $0 $0 $0 $0
To conclude, with AppCoins the key players in the market - the developers and the users - are
the ones being best compensated. Specifically, the developers, who are the content creators in this
market, are the ones with the biggest revenue share. Moreover, according to AppCoins model, the
compensation generated to the users will be, by default, reused in the apps economy (in IAP).
White paper | AppCoins 27
Table 5 - Monthly App Economy Losses and Incomes
Month 6 Month 12 Month 18 Month 24 Long Term
(Month 60)
MAU 10 000 18 000 000 41 000 000 95 000 000 1 300 000 000
Adtech
industry
losses
Current Adtech share in app advertising (Min) 30%
Current Adtech share in app advertising (Max) 60%
Average Adtech losses $795 $1 435 071 $3 307 664 $7 544 284 $103 945 449
Payments
industry
losses
Current payments processing fees share (Min) 2.5%
Current payments processing fees share (Min) 5%
Average payments processing losses $116 $209 507 $482 888 $1 101 394 $15 175 055
AppCoins
App
Economy
income
Users earnings $1 656 $5 527 416 $19 207 940 $58 426 259 $1 193 109 878
Developers income $4 724 $13 749 583 $43 522 829 $127 495 784 $2 286 768 511
App stores income $652 $2 010 552 $6 687 727 $20 048 743 $391 100 627
OEMs income $326 $1 005 276 $3 343 864 $10 024 371 $195 550 313
Total incomes with AppCoins $7 359 $22 292 827 $72 762 361 $215 995 158 $4 066 529 329
App Economy Monthly Balance
(incomes - losses) $6 447 $20 648 249 $68 971 809 $207 349 480 $3 947 408 824
Table 5 shows the balance between the losses that result from the disintermediation from the
adtech industry and the payments industry, with the incomes/earnings generated by AppCoins for
developers, users, OEMs and app stores. This balance is highly positive: more than $20.6M per
month after the first year, more than $207M per month after the second year, and in 5 years, the
balance will be larger than $3.9B.
White paper | AppCoins 28
4 The App Store Foundation
Overview
At its core, the AppCoins ecosystem is envisioned to be formed by a community of app stores
that adopt the AppCoins cryptocurrency to provide higher financial and operational benefits to the
key stakeholders of their services: the app developers and the app users. By doing so, this
community of app stores will drastically improve the efficiency of the whole app economy while also
mitigating current technological challenges like the lack of transparency and digital fraud in
advertisement, lack of users’ trust in current digital payment mechanisms and the lack of accessibility
of the app users to the economy (lack of money or of payment methods).
To ensure the independence and sustainability of AppCoins, a foundation will be created as a
not-for-profit organisation: The App Store Foundation (ASF). The mission of the ASF is to assure
the open governance of the AppCoins ecosystem, to support its development (after the initial
implementation performed by Aptoide) and the continuous open innovation of the technology.
Furthermore, it is also AFS’s mission to promote the global AppCoins adoption and support among
the direct stakeholders, app stores, users and developers, and among key strategic entities for the
scaling up of the ecosystem user base, such as OEMs, governments or telco companies.
Moreover, given that the AppCoins system is built upon several other projects and technologies,
we believe that it is important to give something back to the related community. The blockchain and
cryptocurrencies are still in their infancy and there are still several challenges to be solved in order
to fulfil the industry’s potential, like latency, scalability and transaction costs. Projects and
innovations will emerge to bring the benefits of the technology to the daily lives of people. As a way
of recompensing the blockchain community, the ASF aims at supporting open source projects in its
areas, as we believe that these contribute to creating communities able of fostering innovation. In
addition, ASF will sponsor events for people to present progress regarding the work in the field,
promoting the share and discussion of innovative ideas.
White paper | AppCoins 29
Objectives
Aligned with the ASF mission, it is possible to enumerate and further specify its objectives as
follows:
(1) Governance: Assure the independent, fair and transparent governance of the
ecosystem, taking into account the opinions and needs of the majority of community
members. The actions of governance encompass decisions related with participation
rules, compliance guidelines, new technology / projects approval and any other decision
that affects the community or the AppCoins ecosystem.
(2) Development: Assure and manage the funds for the development of the reference
implementation of components in the AppCoins protocol, as well as for its maintenance
and scalability (after 18 months, when the Foundation is created and takes control over
the AppCoins protocol and ecosystem). This shall be done by promoting the creation of
a community of developers working on the open AppCoins ecosystem.
(3) Innovation: Assure a continuous open innovation of the platform, directing and funding
research and development projects approved by the community, as well as the
integration of viable results on the AppCoins ecosystem. Acquiring external funding (e.g.
at Research and Innovation frameworks like NSF or H2020) shall be considered for these
initiatives.
(4) Dissemination: Assure the promotion of AppCoins globally, stimulating the adoption and
support among direct stakeholders, like app stores, users and developers, and among
key strategic entities for the sustainable scale-up of the ecosystem, like OEMs,
governments or telco companies.
Operational aspects for the ASF formation
To direct the inception of the ASF, these are the following guidelines and roadmap:
● The Board of the Foundation will be elected by the AppCoins owners, with voting weight
proportional to the number of AppCoins they own.
● The Board Members vote for the approval of new protocol versions proposed by the
community of developers.
● For supporting its mission and goals, when the ASF takes control over the protocol
definition and implementation, will be allocated 15% of the AppCoin tokens (reserved at
the token distribution event) minus the ones used for its inception. It will also be assigned
the remaining tokens from the adoption bootstrap and the ones not used for key
White paper | AppCoins 30
contributors. Furthermore, the foundation shall conduct the necessary actions to have
independent revenues, like event organisation, membership fees or others, and for
funding innovative AppCoins related projects, like the application for Research and
Innovation incentives (e.g. NSF or H2020).
Table 6 - Roadmap for the inception of the Foundation
5 Roadmap
Organisational
6-11-2017 (updated information at www.appcoins.io) – Pre-sales of ICO with white listing. To
ensure a good dissemination of tokens, the pre-sale will disseminate 12% of the tokens by the apps
economy players with maximum caps for each person, as presented in section 6.1.
13-12-2017 (updated information at www.appcoins.io) – ICO is launched with the closing date
scheduled for January 15th, 2018.
May 2018 - Public discussion of ASF rules and bylaws. The ASF has been described in the
section 4 as the body that will coordinate the efforts of the protocol development. The discussion of
the bylaws and internal organisation is important to guarantee a balanced governance.
November 2018 – ASF creation under the bylaws defined by the community and AppCoin tokens
holders.
May 2019 – ASF takes over the Protocol definition and reference implementation.
May 2018 November 2018 May 2019
Discussion of the
Foundation rules and bylaws
(Founders and AppCoins
holders)
Foundation creation and board
election by AppCoins holders
Foundation takes over the
protocol definition and reference
implementation
White paper | AppCoins 31
Technical
06-Nov-2017 – AppCoins protocol V1 is made available.
AppCoins V1 protocol comprises:
• Definition of the scope covering the three main flows
• Smart contracts algorithm definitions
• Blockchain data structures
• On-chain / off-chain scope definition
This first version is the result of the feedback of many contributors in the community and comprise
the technical definition of the three main flows: in-store advertising, in-app purchase with tokens and
reputation building.
Although a protocol is a set of rules that can permanently be enhanced, is important to define
some milestones and release major versions. The reason is to allow the development of a reference
implementation of a specific version of the protocol, and prevent the “moving target” syndrome.
4-Dec-2017 (“Turing release”) - Proof-of-concept of In-App Purchase transaction on
Ethereum test network

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you can buy APPC coin on Binance.com also TRX is at 11 cent good time to but it will hit 1 dollar in 2018 I think.

I will definitely try :)