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JULY 7 2026, T-REX Network, the institutional compliance layer for tokenized assets, built on the ERC-3643 standard, has partnered with OpenZeppelin, the company behind the most widely used smart contract software in the industry, with over $35 trillion in value transferred onchain, as a core partner in upgrading the foundations of T-REX architecture. OpenZeppelin's engineers are working alongside the T-REX team to design and develop the next generation of the compliance, identity, and transfer-control layers underpinning T-REX tokenized securities.
The partnership comes as T-REX Network scales toward institutional volume with Apex Group’s recent commitment to adopt the upcoming T-REX Ledger as its default infrastructure, with a target of $100 billion in tokenized assets by June 2027. Securing the infrastructure that will carry assets at that scale is the foundation this collaboration is built on.
Most security firms are brought in at the end, to check a finished product before it ships. This partnership is the opposite. OpenZeppelin is involved as a partner from the drawing board, helping shape how the new T-REX infrastructure is designed in the first place.
T-REX is upgrading its core infrastructure so that compliance and identity run on a single source of truth while connecting to many other blockchains. Building that well is a hard engineering challenge, and OpenZeppelin's team, whose open-source libraries underpin a large share of onchain finance including 9 of the top 10 stablecoins by market cap, and whose security partnerships protect more than $250 billion in total value locked, is bringing that expertise to T-REX. That means advising on the core architecture, reviewing how new functionality works, and contributing its trusted, heavily tested building blocks so T-REX relies on proven code, much like using the ERC-3643 standard, building on proven tech that works, rather than reinventing the wheel.
The collaboration runs across several workstreams, spanning core development and architecture, support for a wider range of blockchains, and developer adoption. Security sits within this work too, with OpenZeppelin's research team auditing the system as it takes shape, helping design and build the infrastructure from the start.
This deepens a foundation T-REX has been assembling deliberately. Through the partnership with Zama, the cryptography company building the cross-chain confidentiality layer for onchain finance, T-REX leverages the Zama Protocol to keep sensitive information such as investor data, holdings, and trading strategies private on public infrastructure.
OpenZeppelin also brings experience in confidential smart contract infrastructure, including its work with Zama on the Confidential Contracts library. With OpenZeppelin now helping architect the system itself, T-REX is being built so that confidentiality, compliance, and trusted engineering are part of the design from the start: the conditions institutions need before moving regulated assets onchain.
"We are upgrading T-REX for institutional scale, and we wanted OpenZeppelin involved early, while the important design decisions are still being made," said Joachim Lebrun, Co-Founder and CTO of T-REX Network. "Their engineers understand this space better than anyone in the industry. Having them help shape the T-REX Protocol and Identity, how the system is structured, how identity is handled, and how it all works across chains, raises the bar for everyone who builds on T-REX."
"Institutions moving regulated assets onchain require compliance and security that holds across every transfer and every counterparty" said Jonathan Alexander, CTO of OpenZeppelin. "The T-REX protocol and OnchainID are already established as leading compliance standards. OpenZeppelin has a decade of experience developing standards and secure smart contracts that onchain assets valued in the billions of dollars depend on. We are pleased to partner with the T-REX Network team to scale the protocol, ensure security, and further define the standards that will work across chains and meet institutional demands.
T-REX Network is an independent, industry-led ecosystem for compliant Real World Asset tokenization, built on the ERC-3643 standard. The network is structured around two core components: T-REX Ledger, the canonical cross-chain compliance reference layer for all ERC-3643 tokenized securities, and T-REX AppStore, a curated marketplace of natively compatible applications spanning issuance, custody, distribution, DeFi, and analytics. Born from the ERC3643 Association's Utility Token Working Group, T-REX Network is built by the industry, open to all. Learn more at t-rex.network.
OpenZeppelin is the security standard for onchain finance. Since 2015, the company has set the bar for smart contract security through the industry-standard OpenZeppelin Contracts library, behind $35 trillion in value transferred, and 900+ security engagements that have surfaced 10,000+ vulnerabilities before production. OpenZeppelin secures leading blockchain networks, DeFi protocols, institutions, and enterprises globally, including DTCC, WisdomTree, ANZ Bank, Uniswap, Stellar, the Ethereum Foundation, and more. Learn more at openzeppelin.com.
Bringing the next trillion USD of assets onchain, thanks to a proven compliance framework and the largest interoperable ecosystem.