Sygnum, the Swiss digital asset bank, has announced the launch of institutional-grade custody and trading services for a portfolio of decentralized finance (DeFi) tokens. Aave (AAVE), Aragon (ANT), Curve (CRV), Maker (MKR), 1inch(1INCH), Synthetix (SNX), and Uniswap (UNI), are the Defi tokens for which the bank will launch its regulated banking services.