Bollcoin, October 26 — According to an S&P Global announcement, the company has completed its acquisition of blockchain security firm OpenZeppelin; the transaction amount was not disclosed. The two sides first announced the deal on September 17, aiming to extend S&P Global's risk assessment capabilities into on-chain technology risk. After the acquisition, OpenZeppelin will retain its brand and operate as an independent business unit, with founder Demian Brener continuing to lead the business and reporting to S&P Global Ratings President Yann Le Pallec. The OpenZeppelin Contracts smart contract library will remain open source, free and publicly maintained.