Swiss digital asset bank Sygnum has partnered with Bitcoin lending firm Debifi to launch MultiSYG, the world’s first bank-backed Bitcoin loan platform. The initiative aims to bring institutional-grade transparency and custody assurance to Bitcoin-backed lending.
MultiSYG is designed to tackle one of the most persistent issues in both traditional and crypto lending, the rehypothecation of client collateral, where lenders reuse pledged assets without full disclosure. Set to debut in the first half of 2026, the platform targets institutions and high-net-worth investors seeking regulated lending access without surrendering control of their Bitcoin holdings.
At its core, MultiSYG uses a 3-of-5 multi-signature wallet architecture that splits authorization between Sygnum Bank, the borrower, and independent signers. Unlike conventional Bitcoin loan models that transfer assets to centralized custodians, MultiSYG allows clients to retain partial control while maintaining on-chain cryptographic proof of their holdings.
This framework ensures borrowers can verify their collateral in real time throughout the loan’s lifecycle, a structure that echoes Bitcoin’s founding principle: “Not your keys, not your coins.”
Bitcoin Loan Platform Enhances Security and Transparency
By combining regulated loan terms with non-custodial asset management, Sygnum and Debifi address both governance and risk management in the evolving crypto lending market. The joint solution aims to minimize the risk of a single point of failure. It also provides bank-grade pricing, flexible drawdown, and liquidity without compromising self-custody over assets.
Pascal Eberle, Sygnum’s initiative lead, emphasized that MultiSYG bridges “the best of both worlds” — self-custody and institutional service — while ensuring clients can monitor collateral on-chain.
The move reflects a growing appetite among institutions for Bitcoin-backed lending products. This is because more corporations and funds seek exposure to digital assets for liquidity or yield without selling their Bitcoin. Sygnum’s ability to package regulated banking terms with cryptographic guarantees for borrower control sets a new standard in risk management and compliance for institutional-grade Bitcoin lending.
Platforms like MultiSYG may open the door to widespread adoption as more businesses include Bitcoin on their balance sheets, facilitating safer, simpler access to crypto-backed cash. This historic collaboration shows how crypto-native companies and traditional banks can work together to provide regulated access, control, and transparency in the age of digital finance.
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