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Same here. No idea what this is about, or why it affects users of this blockchain.

if i'm not mistaken it allows you to have 1 main acct (eg @adetorrent ) which has sub accounts ( @dingdong1233123, @codefee1231231 ) directly under it. you can then create multiple acct for different apps however its funded by your main app.

You would not require to create a brandnew acct on HIVE and remember they keys and such as it would all be shared / authorised by the main acct.

ps. i could be wrong .. but thats what I get to understand from the post

Maybe a little backwards. Imagine you and your friends are the main accounts... and the cashbox at your lemonaid stand was the sub account. If 2 of the 3 of you want to open the cash box... it'll work; but not so with just 1. Our lemonaid stand sells NFTs, has it's own Proof of Brain token, and the cashbox is a DEX