Bitcoin is the most painful bet in life I lost/ And I lost it twice. The first time when I spend $200 worth of it in 2010 and the second time was in 2018. Though the remaining worth of $20 I tried to gamble away and got $300. So eventually I had at least one small win Here's a good blog on crypto casinos in order to be on a safe well-reviewed side https://bitcoinslotscasino.com/
. Hope it might be of some help to somebody.