Cryptal.com supports numerous cryptocurrencies, many of which can be traded with BTC.
Verified customers can also buy and sell any crypto with USD. Euros can be used to buy and sell BTC, ETH, LTC, USDT, XRP, and SOL.
At ge.cryptal.com, verified customers with Georgian bank accounts and bankcards can deposit GEL to trade against any of the supported cryptos as well.