Kraken

Kraken is a cryptocurrency exchange that allows users to buy, sell, and trade cryptocurrencies. Kraken offers over 120 coins, including Bitcoin (BTC), Ethereum (ETH), XRP (XRP), Cardano (ADA), Solana (SOL), Dogecoin (DOGE), Polkadot (DOT), Polygon (MATIC), TRON (TRX).