University of Pennsylvania researchers tweaked an AI tutor to tailor the difficulty of practice problems for each student.

Circle, the stablecoin firm behind the Arc layer-1 blockchain, will deploy quantum-resistant solutions on Arc at the wallet, signature and validator levels starting when Arc goes live on mainnet.

Circle announced cirBTC, a new wrapped bitcoin token backed 1:1 by BTC and built for institutional markets, including OTC desks and lending protocols.