https://cryptopokerclub.io - Strictly BTC, ETH, and their RNG was recently certified.

Every hour there is a FreeRoll tournament, well, every two hours in each lobby [So 1st hour BTC lobby, next hour the FreeRoll will be in the ETH lobby]

You can get 100% deposit bonus twice, once per each currency.  If you just play Freeroll you don't need to deposit, but I had 0 ETH balance and played an ETH Freeroll once and regretted it because I was unable to re-buy when I busted. [Each Freeroll is 1st buy in free and gives you 2000 chips which is plenty, but you can add-on and re-buy usually 4 more times)

Players don't Sit Out the entire game like on SwC... [it's against the rules and the admins are great at catching cheaters and rule breakers]

Monthly rake competition, and once you rank up they offer up to 50% rakeback each month.

There is usually around 100 or so players at once when I go on, most play cash games but the FreeRolls get action every hour and I once lost in 5th position.. needed 4th position to win a prize! So if I could do it... now is a good time to try and win