Key Highlights
- S&P Global agreed to acquire OpenZeppelin, with the deal value not disclosed.
- OpenZeppelin’s smart-contract technology has facilitated over $37 trillion in value transfers over time.
- OpenZeppelin will remain a separate unit, with CEO Demian Brener continuing to lead the business.
S&P Global has agreed to acquire OpenZeppelin, a smart-contract security company, in a deal announced Thursday, September 17, 2026.
According to the announcement, the deal is expected to bring OpenZeppelin’s blockchain security tools to S&P Global as the financial industry expands into stablecoins, tokenized funds, and decentralized finance. However, the value of the deal was not disclosed.
At the center of the deal is OpenZeppelin’s widely used open-source smart-contract library. S&P Global said contracts built with the library have moved more than $37 trillion in value over time. The company said that the figure does not mean OpenZeppelin owns or manages $37 trillion, and it is not the price S&P Global is paying for the company. Instead, it refers to the total value that has moved through contracts using OpenZeppelin’s technology.
Why smart-contract security matters
The acquisition gives S&P Global greater insight into a type of risk that can be difficult to measure through traditional financial ratings.
A company or project may have enough reserves and a strong financial profile, but a problem in the code controlling its digital assets can still create serious issues.
Smart contracts are pieces of computer code that help blockchain-based products work. They can be used to issue, move, and manage stablecoins, tokenized funds, and DeFi products. For S&P Global, understanding how that code works and whether it has security problems could become important as more banks and asset managers begin using onchain financial products.
S&P Global expands its digital-asset work
Meanwhile, S&P Global has already been building its digital-asset business. Over the past year, the company has published assessments on stablecoin stability and issued its first credit rating for a DeFi protocol, Sky.
The new deal takes that work into another area by giving S&P Global access to technology that sits underneath many blockchain-based financial products.
OpenZeppelin keeps its team and tools
OpenZeppelin was founded in 2015 and provides smart-contract security reviews, development services, and its open-source contract library. According to S&P Global, the company has completed more than 900 security engagements and found more than 10,000 vulnerabilities before affected code reached production.
That security work will continue after the acquisition. OpenZeppelin co-founder and CEO Demian Brener will remain in charge of the business, which will operate as a separate unit under the OpenZeppelin name.
OpenZeppelin also said its open-source products will remain free and publicly maintained on GitHub. Its audits, engineering work, and ecosystem programs are also expected to continue with the same team and brand.
In its announcement, OpenZeppelin said, “Onchain finance is growing from an emerging market into core financial infrastructure.” The company added that its smart contracts have facilitated more than $37 trillion in value transferred.
The deal adds to S&P Global’s crypto push
The acquisition comes as S&P Global makes several other moves into the digital-asset market. On September 14, the company led an investment that increased crypto data firm Kaiko’s Series B funding round to $110 million. BNP Paribas, Nasdaq Ventures, Coinbase Ventures, and Royal Bank of Canada also joined the round.
Earlier in September, S&P Dow Jones Indices and Kaiko launched a digital-asset index suite. In March, the two companies also tokenized the iBoxx U.S. Treasuries Index for onchain markets.
However, the S&P Global and OpenZeppelin transaction remains subject to closing conditions. S&P Global said it does not expect the deal to have a material impact on its financial results. The Crypto Times has reached out to both companies for additional comments on the deal.
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