Bitcoin is the first ever experiment in a truly decentralized and fair opt-in monetary system. From an economic perspective it is completely unique. Bitcoin has no central bank, no central government, and it is completely trust-less. At the same time it is open source software and a protocol. It is anti-fragile and not even its creator(s) can stop it now that it exists. It is the most programmatically secure public ledger monetary value in the world. It is the most powerful distributed computer network in the world.
It is the internet of money. Its monetary policy is hard coded and immutable and enforced mathematically. There will only ever be 21 million Bitcoin and new coins are created at a predictable rate that slows down by half every 4 years. Each Bitcoin is divisible down to 7 decimal places.
Bitcoin is the only currency in the world that is deflationary by design. In other words it is designed to increase in value over time. The understand how Bitcoin is sound money and understand with it is and is not watch