Swiss Bank 'Sygnum' Expands SUI Services With Staking And More For Institutions Swiss digital asset bank Sygnum has expanded its partnership with the Sui Foundation to offer regulated institutional custody and trading for SUI, with staking set to launch in the coming weeks and collateral-backed Lombard loans planned for later this year. Sygnum, which became the first Swiss bank to fully support SUI in July 2025, will keep all holdings off-balance sheet and bankruptcy remote, aiming to broaden access for banks, asset managers, and high-net-worth clients. Source: Sygnum Bank + Coindesk