I was searching for a good sports bet with crypto arena.
I sorted out two sites -- everybet.io and sportsbet.io because of their first bet refund bonuses.
I got my first bet refund at evrybet.io without even asking it (within 10 minutes) support was super cool and friendly.
But even after one and half day I got nothing in sportsbet.io and when I asked for it in chat some dude with ellon musk dp very rudely replied that I am not eligible. When I asked him why he told me he cannot have that information, lol...

STAY AWAY FROM SPORTSBET.IO

Note: they let me withdraw my winning, which I bet with high odds to become eligible for free bet.

I can provide my username and password to any member with positive trust in the forum to login into my accounts at both sites and check wether I am stating the truth.