S&P Global Completes Acquisition of On-Chain Security Company OpenZeppelin. S&P Global announced on October 26th the completion of its acquisition of OpenZeppelin. The two companies plan to jointly develop next-generation on-chain security assessments and benchmarks. Founded in 2015, OpenZeppelin's open-source smart contract library, OpenZeppelin Contracts, has supported value transfers exceeding $38 trillion. Following the acquisition, OpenZeppelin will operate as an independent business unit, with founder Demian Brener remaining as head and reporting to Yann Le Pallec, President of S&P Global Ratings. (Source: PRNewswire)