MetaMask is pulling thousands of Ethereum validators offline following a security breach that rerouted transaction-fee rewards, creating a network-wide congestion issue and pushing Ethereum validator exits to a nine-month high.
A new Bitcoin improvement proposal, BIP461, aims to detect hidden wallet secret key leaks by standardizing ECDSA signatures without requiring network consensus changes.
El Salvador is increasingly adopting stablecoins for its multi-billion dollar remittance market through apps like Sivar, leveraging Coinbase infrastructure while maintaining its separate national Bitcoin initiative and reserves.
Brazil implements a new rule requiring regulated financial entities to report cryptocurrency transfers of $10,000 or more involving self-custody wallets to the Financial Activities Control Council starting October 1.
