Encrypted prime brokerage company Floating Point Group (FPG) tweeted that after encountering a "cyber security incident" last Sunday, it had stopped trading, deposits, and withdrawals, and the amount of cryptocurrency lost was between 15 million and 20 million US dollars. After the attack, all third-party accounts were locked, and all wallets were migrated and secured, FPG said. Currently, FPG is working with the FBI, DHS, regulators, and Chainalysis to understand how this happened and recover the assets. FPG said it could not disclose specific details as this is an ongoing investigation with law enforcement. The team will provide updates as they become available.