What is ruletka.io? Ruletka.io works on an Ethereum smart contract: it is automatically executed by the Ethereum network without us or anyone able to modify it. It ensures you the certainty of a totally fair game and above all of how much you will get if you win — our Đapp is thus provenly 100% scam-free. We do not keep any information about you, your bets or your gains. Zero cookies, zero IP tracing. Nothing. What happens in the room stays in the room. Period.