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S&P Global Closes OpenZeppelin Acquisition

The Defiant·October 26, 2026·1 min read
S&P Global Closes OpenZeppelin Acquisition

S&P Global closed its acquisition of OpenZeppelin, a blockchain security firm. OpenZeppelin will remain a separate business unit led by founder Demian Brener, who will report to the president of S&P Global Ratings. The deal integrates OpenZeppelin's smart contract expertise into S&P's ratings operations.

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