Regarding withdrawals on Coinslotty, it will depend on the desired payment system and your rank. The minimum withdrawal is 0.0001 BTC / 0.001 BCH / 0.01 LTC / 1 DOGE / 0.01 ETH / 0.001 XPR / 0.01 USDT (ERC20) / 12.812000 USDT or 0.2 BTC per week. If you are in the "infinity" rank, there are no limits for weekly or monthly withdrawals.