Sygnum Bank Expands Regulated Access to Sui Blockchain

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Swiss digital asset bank Sygnum is expanding its regulated institutional services for the Sui blockchain, introducing custody, trading, staking, and SUI-backed lending products for professional clients. The move positions Sygnum as a secure bridge between traditional finance and blockchain innovation while ensuring stringent investor protection measures.

Headquartered in Zurich, Switzerland, and Singapore, Sygnum confirmed that all SUI, the native token of the Sui blockchain, will be held off its balance sheet and structured to be “bankruptcy remote.” This approach ensures client holdings remain protected even in the event of the bank’s insolvency. The expansion builds on Sygnum’s July 2025 integration of SUI, when it became the first Swiss bank to fully support the token through a partnership with the Sui Foundation.

The bank’s new services include institutional-grade custody and both spot and derivatives trading for SUI. Staking services will launch in the coming weeks, while SUI-collateralized Lombard loans, credit extended against pledged digital assets, are scheduled for release in the fourth quarter. These loans will be available in multiple currencies, including the Swiss Franc (CHF), Euro (EUR), Singapore Dollar (SGD), and U.S. Dollar (USD). Sygnum already offers Lombard loans against major cryptocurrencies such as Bitcoin (BTC), Ethereum (ETH), Polygon (POL), Ripple (XRP), and staked Solana (SOL).

Christian Thompson, managing director of the Sui Foundation, said the collaboration “strengthens the project’s links to global institutional investors.” Sygnum CEO Mathias Imbach described the bank’s role as operating at “the intersection of digital assets and traditional finance,” enabling clients to explore new blockchain opportunities under a regulated framework.

The Sui blockchain, developed by Mysten Labs, a team of former Meta engineers, uses parallel transaction processing to achieve high scalability. It supports decentralized finance (DeFi), payment systems, real-world asset tokenization, and gaming applications. Sui has also moved early into the Bitcoin finance (BTCfi) sector, allowing Bitcoin holders to participate in DeFi without compromising security.

Interest in SUI from large-scale investors is gaining momentum. Earlier this month, Nasdaq-listed Mill City Ventures III announced plans to raise $500 million through a new equity agreement to expand its SUI holdings. This follows a $450 million fundraising round in which the firm sold 83 million shares to institutional investors including Pantera Capital, Electric Capital, ParaFi Capital, and FalconX. Proceeds from that raise funded the purchase of 76.2 million SUI tokens valued at $276 million, with remaining capital supporting Mill City’s short-term lending operations. The company aims to establish itself as a dedicated SUI treasury, capitalizing on the blockchain’s low-latency and scalable infrastructure for artificial intelligence (AI) and gaming sectors.