S&P Global completes acquisition of blockchain security firm OpenZeppelin
S&P Global has completed its acquisition of blockchain security firm OpenZeppelin for an undisclosed sum, integrating smart contract security and onchain risk assessments into its ratings and analytics business.

S&P Global has completed its acquisition of blockchain security firm OpenZeppelin for an undisclosed sum, according to The Block and a company announcement. The transaction, initially announced on September 17, 2026, expands the financial ratings firm's risk assessment capabilities into smart contracts, onchain technology, and digital asset markets.[2][3]
Founded in 2015, OpenZeppelin provides security audits and secure development tools, most notably its open-source smart contract libraries. The company's security team has completed more than 900 engagements and discovered over 10,000 vulnerabilities prior to production, while its contracts library has underpinned more than $38 trillion in transferred value across major stablecoins and tokenized funds.[2]
Following the acquisition, OpenZeppelin's open-source tools will remain free and publicly maintained, crypto.news reported. The company's security auditing and development services will continue operating under the same team and brand, supported by S&P Global's institutional distribution and market data. Crypto Briefing noted that the deal underscores the rising role of smart contract security when evaluating broader financial and operational risks.[1][4]
Key facts
- S&P Global completed its acquisition of blockchain security firm OpenZeppelin for an undisclosed sum.
- The transaction between S&P Global and OpenZeppelin was first announced on September 17, 2026.
- OpenZeppelin was founded in 2015 and has conducted more than 900 security engagements, finding over 10,000 vulnerabilities prior to production.
- OpenZeppelin Contracts has underpinned over $38 trillion in value transferred, including large stablecoins and tokenized funds.
- OpenZeppelin's open-source tools will remain free and publicly maintained post-acquisition.
- OpenZeppelin's security audits and development services will continue under the same team and brand, backed by S&P Global's market reach.
Sources · 4 sources
- CN
crypto.news@cryptodotnewsPost on X ·
JUST IN: S&P Global finalizes acquisition of blockchain security firm OpenZeppelin OpenZeppelin’s open-source tools will remain free and publicly maintained, while its security audits and development services continue under the same team and brand, now backed by S&P Global’s market data and institutional reach.
Open source - CB
Crypto Briefing@Crypto_BriefingPost on X ·
💥 NEW: S&P Global has completed its acquisition of OpenZeppelin, the smart contract security firm behind libraries securing many of the largest stablecoins and tokenized funds. https://t.co/gk9ofrJlQ9
Open source - TB
The Block@TheBlockCoPost on X ·
THE BLOCK: S&P Global has completed its acquisition of blockchain security firm OpenZeppelin for an undisclosed sum. The deal, first announced in September, expands S&P Global's risk assessment capabilities into smart contracts and onchain finance. https://t.co/FhZfvODwrr
Open source - CB
Crypto BriefingArticle ·
S&P Global completes acquisition of blockchain security firm OpenZeppelin S&P Global's acquisition of OpenZeppelin highlights the growing importance of smart contract security in assessing financial risks. The post S&P Global completes acquisition of blockchain security firm OpenZeppelin appeared first on Crypto Briefing .
Open source

