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Circle buys IBM blockchain patents, becoming largest U.S. holder

Circle has acquired key assets in IBM\'s blockchain patent portfolio, becoming the largest holder of blockchain patents in the United States. The deal value was not disclosed. The acquired assets comprise more than 680 patent families, with about 1,000 individual patents registered worldwide. The scope covers banking, financial services, insurance, enterprise infrastructure, supply chain authentication and secure cloud operations. Circle said it will use the assets to strengthen projects tied to USDC, Circle Payments Network and its enterprise blockchain Ark.