In Proof-of-Work (PoW) systems, a 51% attack happens when an attacker controls more than half of the blockchain’s hashing power. In some Proof-of-Stake (PoS) variations, it occurs when they control ...

Coinbase, America’s largest cryptocurrency exchange, received an unsolicited email from an unknown threat actor on May 11, 2025. They claimed to possess sensitive information about its customers and ...

A data breach affecting Coinbase, the world’s largest cryptocurrency exchange, has left some customers’ data vulnerable. The U.S. Department of Justice reportedly launched a probe into the attack.

Crypto exchange Coinbase will phase out its trader-focused “Coinbase Pro” in favor of “Advanced Trade,” a similar exchange service that lives alongside Coinbase’s other crypto investment products, ...