Blockchain.io coins are called BCIO Tokens. BCIO Tokens are utility coins, designed to provide a smooth and secure experience for cryptocurrency traders and users on our trading platform...
As detailed in the graphic above, all exchange trades — including trading, borrowing, transfers, listing, ICO and other services — are subject to platform fees, with the exception of BCIO token “long” trades. Users have the freedom to pay associated fees in either BCIO tokens or another approved cryptocurrency
it will gives you a more profit in the form of euro
and the currently airdrop is going on
join with the help of this link
and you will get min 18 euro of BCIO
thank you