Canton Network secures prime broker commitments for on-chain collateral acceptance
Collateral management is one of finance’s most unglamorous problems, and also one of its most expensive ones. Canton Network is now claiming a meaningful piece of the solution, with prime brokers and clearing houses formally committing to accept collateral posted on its blockchain.
The commitments represent a shift from pilot programs to production-level adoption.
Who is actually signing on
Société Générale made the most significant announcement on May 13, 2026, stating it would accept tokenized collateral as margin for its Prime Services clients. The French bank also positioned itself as a counterparty for repo transactions running through Canton’s infrastructure. Its rationale centered on configurable privacy, specifically the ability to control which counterparties see which data during collateral approvals.
Marex followed with a live demonstration. On June 17, 2026, the brokerage completed an on-chain repo transaction involving HIFI and DRW.
The liquidity provider side of Canton’s Global Collateral Network has also grown. B2C2, Cumberland DRW, FalconX, and GSR joined the initiative in July 2025, adding market-making depth to the network.
The infrastructure underneath
Canton is built by Digital Asset and uses the Daml smart contract language. Its distinguishing architectural choice is privacy by default: transactions are only visible to the parties involved, unlike most public blockchains where every trade is readable by anyone.
The plumbing connecting Canton to traditional finance took a significant step forward in December 2025, when Digital Asset and DTCC announced a partnership to tokenize DTC-custodied U.S. Treasuries directly on Canton. The targeted rollout falls within 2026.
That capability had an earlier proof-of-concept. In August 2025, a working-group transaction allowed clients to mint on-chain U.S. Treasuries from DTCC-custodied holdings and deploy them as collateral in real time. The December DTCC partnership is effectively the institutionalization of that pilot at scale.
The practical logic is straightforward. A fund holds Treasuries at DTCC. With tokenization, the fund can mint a digital representation of those same Treasuries on Canton, post them instantly as margin, and the prime broker receives them without waiting for the legacy settlement cycle to complete. The underlying asset never left DTCC.
Why this moment matters for capital markets
The alignment of smart contracts with ISDA Credit Support Annex terms means collateral calls and transfers can be automated with legal enforceability, reducing the manual intervention that creates both cost and error risk in today’s workflows.
The DTCC partnership adds a systemic dimension. DTCC processes the vast majority of U.S. securities transactions. Its involvement in Canton’s tokenization infrastructure potentially brings the existing custodial relationships of thousands of DTCC participants within reach of on-chain collateral workflows.
Still, the combination of Société Générale on the prime broker side, Marex completing live transactions, DTCC providing custodial infrastructure, and liquidity providers B2C2, Cumberland DRW, FalconX, and GSR building two-sided market depth represents the most operationally grounded set of institutional commitments Canton has assembled to date.
Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.
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