The Sparkasse cryptocurrency service allows customers to buy, sell, and hold five digital assets: Bitcoin, Ether, XRP, Solana, and Polygon's POL token.

From the articleSparkasse Savings Banks Open Crypto Trading in Germany Alongside Usual BankingAlso in Germany's Sparkasse Bank begins crypto services rollout for 50M customers, Germany's Sparkassen banks launch crypto trading for five major tokens, German Savings Banks Launch App Trading for Bitcoin, Ether and Three Other Tokens