🔥Top crypto firms on HIGH ALERT Exchanges and stablecoin issuers are STEPPING UP their response after the FBI blamed North Korea-linked $6.3B Binance heist. - Coinbase: Tightened cold storage controls as a precaution to protect customer assets. - Kraken: Is reviewing its security systems following the attack. - Binance: Revoked affected authorisations and enlisted blockchain investigators and law enforcement to trace stolen funds. - OKX: CEO Star Xu proposed real-time industry alerts to flag attacks, coordinate responses and track suspicious funds. - Tether: Froze approximately $1.57 BILLION linked to the attack. - Circle: Froze another $800 MILLION, bringing the combined amount blocked to roughly $2.37 BILLION.