Byteball Byte (GBYTE) "airdrop for STEEM users" by using your Steemit Reputation Level, before you try it.
Original Source
Didn't you join that "Byteball Byte airdrop" yet?
When you used your Private Memo Key with @bittrex or @binance before and you found someone used that Key to claim
Original Source
haha did that really happen to you?
@traf, Not to me, but one of my good friend was at that stage :D I told him don't use his Memo key while receiving funds from @bittrex, but he didn't listen at that time :D
Cheers~