A trader lost $21M on Hyperliquid after a private key leak. We examine the breach, its impact on custodial risk, and key protections: hardware wallets, multisig, cold storage and strict key hygiene.
Blockstream warns of a sophisticated email phishing campaign targeting cryptocurrency users, urging immediate caution, verification of communications and implementation of enhanced security measures.
Cold storage places crypto private keys offline to stop online theft. This journalistic guide outlines methods, risks and best practices – hardware wallets, paper backups and secure storage for long-term holdings.