The portfolio covers blockchain technology, banking, insurance, and cloud security, though the financial terms of the deal were not disclosed. Stablecoin issuer Circle (CRCL) has acquired nearly 1,000 issued blockchain-anchored patents from IBM, a deal the firm said makes it the largest holder of blockchain patents in the United States. The deal’s financial terms weren’t disclosed. IBM was already among the largest U.S. blockchain patent holders before the sale. Circle said the portfolio would support USDC, Circle Payments Network, its Arc blockchain and financial tools designed for AI agents.