The Swiss regulated firm is tapping into demand from institutions for income from digital assets. Digital-asset platform SEBA Bank has introduced a product that will allow clients to earn yield on their crypto holdings.The Zug, Switzerland-based firm’s SEBA Earn will let institutions generate income from proof-of-stake protocols such as Polkadot, Tezos and Cardano, with other networks to be added over time.The platform will also enable investors to lend bitcoin and ether through SEBA Bank, th...