Umbra has shut down its front end to stop hackers, but says it can’t stop the use of its smart contracts or another version of its open-source front end.

Coinbase’s quantum advisory board says quantum computing isn’t yet a threat, but has urged for upgrade work to begin, with some blockchains being less prepared than others.

Griff Green, a member of Arbitrum’s security council, said the group acted with input from law enforcement and “did not make this decision lightly."

Coinbase’s x402 AI payments protocol has launched Agentic.market, a platform where AI agents can discover and use AI-friendly services.

Vercel has confirmed it was compromised after a member of a hacking forum put the company’s information up for sale for $2 million.

Bitcoin briefly crashed below $74,000 on Sunday as Iran threatened retaliation for a US military seizure of an Iranian cargo ship.