I also remember seeing this address earlier today linked to two different byteball addresses, the bot probably kept the first after it updated ... I was wondering if it would be fair to blacklist addresses that try to link to different byteball accounts, I mean can there be any valid case for someone to try that unless they want to cheat the system (or maybe they were trying to find bugs )?

Edit: Just thought of a case: I link my address to a first account, I then destroy this account and link the same address to a new account. So does the linking disappear when a byteball account is destroyed?

I also remember some discussion about detecting exchanges addresses, so what follows might have been addressed before:

How is this detection done? Isn't there a risk that someone links an exchange address on Decmeber 24 23:59:59 UTC and gets included in the snapshot? Meaning would it be costly to try and detect exchange addresses before adding them (and removing them afterwards, as it seems to be done for now)?

I also assume that an address that used a signed message can't be an exchange address, or am I mistaken? Exchanges staff might control private keys of addresses at some extent, so I think I'm mistaken (well technically I was for a second ).

I was wondering how micro could the micropayment be, some exchanges charge 0.0001 or 0.0002 (maybe others less) as a fee for a withdrawal, is it possible to make the micropyament less than that (or at least less that the minimum they authorize to be withdrawed)?

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It means for each 0.04408148 BTC, you get 1 gigabyte = 10⁹ bytes. If your address has 1 BTC, you'll get 1/0.04408148 gigabytes = 22685263743 bytes.