Coinbase may refund you if your account is hacked immediately report at 1-866-558-7658  Coinbase Fraud Help Page, but only under specific condition. Coinbase will investigate the case. If they determine that your account was accessed without your authorization and you did not share sensitive information 1-866-558-7658 (like your password, 2FA code, or recovery phrase), they may reimbursethe stolen funds. You should report at 1-866-558-7658 the unauthorized activity as soon as possible—ideally within 24–48 hours, but no later than 60 days.