A crypto savings wallet is a wallet that lets you store a digital asset, and this asset regularly generates yield. It's like a savings account in a bank, but with crypto.
Currently they support 10 regular cryptocurrencies (BTC, BNB, XRP, BCH, LTC, LINK, XLM, TRX, EOS, PAXG) as well as 6 stablecoins (USDT, USDC, DAI, TUSD, PAX, HUSD).