S&P Global Enters Agreement to Acquire OpenZeppelin

September 17, 2026 — S&P Global (NYSE: SPGI) has entered an agreement to acquire OpenZeppelin, the security standard for onchain finance. Since 2015, OpenZeppelin has set the security standards and secured the infrastructure onchain finance is built on: $37 trillion in value transferred through OpenZeppelin Contracts, more than 900 security engagements, and 10,000+ vulnerabilities surfaced before production. The agreement brings together the security foundation of onchain finance and one of the most trusted names in global capital markets, just as onchain finance grows from an emerging market