Ethereum-based repo (repurchase agreement) tokenization pilots are primarily led by major European and Swiss institutions, building on 2024 experiments and advancing into collaborative explorations and deployments by early 2026. These focus on using Ethereum’s public blockchain for collateral (e.g., tokenized bonds or funds), with interoperability to central bank systems for CBDC settlement, aiming to automate short-term lending, reduce counterparty risk, enable 24/7 operations, and improve efficiency in the multi-trillion-dollar repo market.
1. Société Générale (SG-Forge) and Banque de France Reverse Repo Pilot (December 13, 2024)
This was the first repo transaction in digital securities (security tokens) with an Eurosystem central bank, fully executed on blockchain.
- Details: SG-Forge (Société Générale’s digital assets subsidiary) pledged bonds issued in 2020 on the public Ethereum blockchain as collateral. In exchange, the Banque de France provided Central Bank Digital Currency (CBDC) tokens issued on its proprietary DL3S interoperability platform.
- Settlement: The transaction used SG-Forge’s platform as registrar for the Ethereum-issued bonds, demonstrating seamless interoperability between public Ethereum and the central bank’s DL3S ledger.
- Significance: It proved technical feasibility for on-chain interbank refinancing and enhanced liquidity for digital securities via CBDC. The Banque de France described it as part of real-life tokenized asset use in the secondary market (they also executed a separate outright purchase with BNP Paribas on a different chain).
- Status: Completed successfully as a live pilot transaction; no further phases publicly detailed, but it laid groundwork for broader Ethereum repo work.
2. UBS and Société Générale-Forge and Banque de France Collaboration (Les Gardiennes Project, Ongoing into 2025–2026)
UBS is actively exploring tokenized repo agreements with SG-Forge and the Banque de France as part of the Les Gardiennes initiative (a Banque de France–Monetary Authority of Singapore collaborative project).
- Focus: Repos involving tokenized financial assets (e.g., bonds or funds) and settlement assets such as tokenized bank liabilities or regulated stablecoins.
- Ethereum Link: Leverages UBS’s uMINT (UBS USD Money Market Investment Fund Token), a tokenized money market fund natively issued on Ethereum. Investors could post uMINT shares as collateral to borrow cash on-chain, mirroring traditional rehypothecation but with blockchain automation.
- Recent Framing (as of March 2026): News reports describe UBS, Société Générale, and Banque de France as “deploying Ethereum-based systems” for repo transactions. This includes smart contract automation for faster settlement, continuous 24/7 operation, reduced intermediaries, and lower counterparty risk via shared ledgers. Even 1% migration of the ~$12.5 trillion global repo market could bring ~$125 billion in on-chain value to Ethereum rails. mexc.com
- Status: Exploratory/pilot phase advancing toward deployment; builds directly on the 2024 SG–Banque de France success and Banque de France’s internal work on a fully Ethereum-based repo system (potentially incorporating stablecoins).
3. UBS Cross-Border Repo Pilot with SBI and DBS (MAS Project Guardian, Live as of 2025–2026)
UBS executed the world’s first live repurchase transaction (repo) with a natively issued digital bond, fully settled on a public blockchain via its UBS Tokenize platform.
- Details: Automatically settled the repo, bond purchase, and redemption using regulated digital payment tokens. Involved regulated entities across Japan (SBI), Singapore (DBS), and Switzerland (UBS).
- Ethereum Connection: While the specific chain for this repo is described as “public blockchain” (UBS Tokenize is blockchain-agnostic), UBS’s broader tokenization efforts—including uMINT and tokenized warrants—are built on public Ethereum. UBS Tokenize issues assets as smart contracts on Ethereum where legal requirements allow.
- Significance: Demonstrates instant, cross-border atomic settlement for capital markets instruments, aligning with repo tokenization goals of efficiency and reduced settlement risk.
- Status: Live transaction completed; part of ongoing MAS Project Guardian work.
Broader Context and Outlook
- These pilots tie directly into institutional interest in Ethereum’s base-layer security and smart contract capabilities for high-value collateral settlement in repo markets (a key segment of the ~$12.5–16 trillion global repo space per recent FSB data).
- Banque de France has separately explored a fully Ethereum-native repo system (including stablecoins from SG-Forge or others like Spiko), with pilots potentially scaling post-2025.
- Challenges remain around full regulatory integration, custody, and scaling beyond pilots, but progress signals a shift from experimentation to infrastructure deployment. No widespread live production volumes are reported yet, but the 2024 success and 2026 collaborations indicate accelerating momentum.
For the most current official updates, check Société Générale’s or UBS’s investor relations pages, as developments in this space move quickly.
Sources
1. https://www.mexc.com/news/990901
2. https://www.societegenerale.com/en/news/press-release/societe-generale-successfully-completed-first-repo-transaction-public-blockchain-banque-de-france
3. https://www.banque-france.fr/en/press-release/banque-de-france-has-successfully-carried-out-two-market-transactions-tokenised-assets
4. https://www.linkedin.com/posts/ubs_shareubs-activity-7394615001640124416-QPsI
5. https://www.ubs.com/global/en/investment-bank/tokenize.html
