https://cryptoguardz.com/blog/mercado-bitcoin-hack-withdrawals-paused/ CryptoGuardzen 2026-11-03 Mercado Bitcoin hack 2026: deposits and withdrawals paused after about $46 million left its wallets https://cryptoguardz.com/blog/robinhood-utah-event-contracts-restricted/ CryptoGuardzen 2026-11-03 Robinhood restricts Utah event contracts on sports, culture, elections and politics from 2 November 2026 https://cryptoguardz.com/blog/solflare-validator-stake-migration-deadline/ CryptoGuardzen 2026-11-03 Solflare validator incident 2026: stake migration deadline moved to 30 November with 1.28 million SOL still on the old validator