@OpenZeppelin
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The security standard for onchain finance. $35 trillion+ in value transferred secured since 2015 for the institutions and innovators shaping global finance.
Joined August 2016
- Tweets4.4K
- Following131
- Followers59.7K
- Likes2.4K
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Today we are announcing that S&P Global has entered an agreement to acquire OpenZeppelin.
Onchain finance is growing from an emerging market into core financial infrastructure, and the standards and rails our team and community built are becoming the rails of global finance. OpenZeppelin smart contracts facilitated over $37 trillion in value transferred, with the vast majority of the largest DeFi protocols, blockchain networks, stablecoins and tokenized funds relying on them.
With S&P Global, we expect to accelerate the impact of onchain finance, backed by more than a century of trust in global markets, benchmarks, and risk frameworks.
To our clients and to all the users of OpenZeppelin open source tools:
• OpenZeppelin Contracts and all our open source applications and tools remain open source, free, and publicly maintained on GitHub. Building open source standards stays a core priority.
• Audits, engineering work, and ecosystem programs continue with the same team, brand, quality, and customer experience, with what will be the added benefit of S&P Global's research capacity, market data, and institutional reach.
For the last decade, OpenZeppelin has set the security standard for onchain finance. Today begins a new chapter for that mission, together with one of the most trusted names in global markets.
Read the full announcement: openzeppelin.com/news/spglob…
OpenZeppelin retweeted
S&P Global has entered into an agreement to acquire @OpenZeppelin, the security standard for onchain finance. The transaction complements S&P Global’s risk assessment and ecosystem development capabilities in digital asset markets, enhancing its ability to create the next generation of onchain security assessments, benchmarks, and deliver essential intelligence as capital markets transition onchain.
Read the full announcement: okt.to/qcLufd
OpenZeppelin x @Zama Confidential Contracts power Zama's expansion on @Morpho, now across 16 vaults.
Proud to have built this onchain foundation and secured the newly deployed Confidential Swap protocol 🔒
Confidential DeFi at scale, live today.
Zama is the fastest growing confidentiality protocol for onchain finance.
Today, Zama expands confidential access to 16 curated yield vaults across 5 institutional curators and 5 assets: USDC, USDT, AUSD, WBTC, and tGBP, all deployed on @Morpho.
The same trusted curators and strategies that institutional capital already uses, now with confidential entry.
Alongside the vaults, the Zama Confidential Swap Protocol goes live. Swap between confidential assets without exposing intent or size.
Curated by: Armitage by @wintermute_t, @Bitwise, @flowdesk_co, @RockawayX, @SteakhouseFi
Access: @Morpho, @utila_io, @yield_xyz, @zerion
Incentives: @pendle_fi, @merkl_xyz
With support from: @Tether (USDT), @BitGo (WBTC), @tokenGBP (tGBP), @withAUSD (AUSD)
Shield, send, deposit, earn, and swap, all confidentially at: app.zama.org
OpenZeppelin retweeted
We're bringing together the institutional leaders actually moving capital markets onchain, not just talking about it.
See you at @Sibos Miami on September 30. @OpenZeppelin @dfnsHQ
luma.com/convergence-onchain…
OpenZeppelin retweeted
.@OpenZeppelin has helped define how smart contracts are built, upgraded, & reviewed across onchain finance.
The latest Anvil Infrastructure Spotlight looks at how its standards, upgradeable patterns, & security expertise support Anvil’s core contracts & continued evolution ↓
Which of your wallets, bridges, or governance keys would fail first if a quantum computer showed up tomorrow?
Every exposed public key onchain is a future liability. A quantum computer could recover the private key behind it and forge authorizations.
NIST's 2024 standards (ML-KEM, ML-DSA, SLH-DSA) point the way, but none are drop-in fixes onchain. Bigger signatures, heavier verification, real gas costs.
Read more ↓
openzeppelin.com/news/why-po…
Catch our Blockchain Security Researcher Adrià Torralba at @ETHSpain_ in Barcelona on Sept 17 🇪🇸
He's joining the "Who Secures Ethereum" panel to dig into staking economics, node infrastructure, and the security assumptions the whole network rests on.
SPEAKER ANNOUNCEMENT!! 📣
We’re excited to welcome Adrià Torralba, Blockchain Security Researcher at @OpenZeppelin, to ETHSpain 💙
OpenZeppelin is a leading force in blockchain security, providing the tools, research and expertise that help secure some of the most important protocols in Web3 🤝
At ETHSpain, Adrià will share insights on smart contract security, blockchain vulnerabilities and building a safer onchain ecosystem.
📍 Barcelona
📅 September 17, 2026
See you at ETHSpain⤵️
luma.com/87on60as
OpenZeppelin retweeted
We're bringing together the institutional leaders actually moving capital markets onchain, not just talking about it.
See you at @Sibos Miami on September 30. @OpenZeppelin @dfnsHQ
Join @OpenZeppelin @WisdomTreePrime and @dfnsHQ at @Sibos Miami for Convergence: an Onchain Finance Soirée.
A curated reception gathering the institutional leaders moving capital markets onchain.
📅 Sept 30, 6-9pm ET
RSVP ↓
luma.com/convergence-onchain…
OpenZeppelin is proud to join the Cosmos Partner Network alongside leading providers helping financial institutions move onchain.
From the standards they build on to the security that protects their systems, we are glad to support the institutions leading this transformation.
Today, Cosmos is launching the Cosmos Partner Network with 17 leading industry service providers.
They will help banks and global financial players accelerate digital transformation initiatives through the Cosmos Tokenization Suite and Cosmos digital ledger solutions.
Cosmos and the Partner Network provide a complete service suite for tokenized finance that enables financial players to harness new use cases, including:
- Enabling 24/7 payment settlement
- Improving treasury liquidity management
- Unlocking first-to-market use cases like programmable escrow, programmable trade finance, and agentic commerce
Financial institutions and solution providers interested in seamless multi-vendor solutions through the Cosmos Partner Network are welcome to get in touch.
prnewswire.com/news-releases…
More than 80% of all DeFi Total Value Locked runs on protocols built with OpenZeppelin Contracts, totaling over $152B.
The security standard for onchain finance 🔒
New for @SuiNetwork developers: an audited reference implementation for closed-loop payments and loyalty.
Accept stablecoin payments, mint a soulbound loyalty token on each sale, and let customers redeem it later.
The starter app is built on the Permissioned Asset Standard for freeze and allowlist controls on balances, with role-gated access from OpenZeppelin Move Contracts for @SuiNetwork.
Fork it and build yours ↓
github.com/OpenZeppelin/open…
Join @OpenZeppelin @WisdomTreePrime and @dfnsHQ at @Sibos Miami for Convergence: an Onchain Finance Soirée.
A curated reception gathering the institutional leaders moving capital markets onchain.
📅 Sept 30, 6-9pm ET
RSVP ↓
luma.com/convergence-onchain…
OpenZeppelin retweeted
Good tooling matters. OpenZepelling's RWA Wizard now generates contracts that follow ERC-3643 for Stellar.
The interfaces were written for the EVM. The model travels: verified identities, transfer-time compliance, issuer control.
RWA Wizard adopts the @ERC3643Org standard for @StellarOrg, where tokenized real-world assets have crossed $3.3B, per @RWA_xyz.
See how it works ↓
rwa.openzeppelin.com/wizard/…
OpenZeppelin Contracts for @CairoLang v4.0 is out 🔒
New token standards and safer transfer handling for @Starknet:
• ERC-6909 multi-token standard, with metadata and supply extensions
• ERC-3156 flash loans via ERC20FlashMint
• SafeERC20 dispatcher for asserted transfers
Full release notes ↓
github.com/OpenZeppelin/cair…
OpenZeppelin retweeted
Building the biggest onchain products starts with security.
Learn how building a strong security foundation from day one can protect users and help your product scale with @PepeBlasco_tech at @OpenZeppelin.
OpenZeppelin retweeted
1/ Stellar. Ethereum. Canton. Midnight.
How does onchain compliance actually work across different blockchain architectures?
@OpenZeppelin's latest piece breaks it down, chain by chain.
We’ll take this opportunity to make the case for ours. 🧵
openzeppelin.com/news/the-co…
OpenZeppelin retweeted
Tokenized real-world assets need more than issuance.
They need controls around eligibility, transfers, and recovery.
RWA Wizard brings that contract-generation flow to Stellar.
Compliant rails are what trillions in tokenized real-world assets will run on.
Introducing RWA Wizard 🧙
Generate contracts for regulated RWAs with built-in:
→ Investor eligibility
→ Transfer restrictions
→ Recovery controls
Now supporting @StellarOrg.