The ByBit exchange was hacked, resulting in the theft of $1.5 billion (AU $2.35 billion).Binance co-founder Changpeng Zhao (CZ) highlighted multisig wallets as a common vulnerability in recent hacks.Ledger recommended using ‘Clear Signing’ to prevent blind signing issues, which might have contributed to the hack.Fireblocks suggested off-exchange settlement and MPC technology as potential solutions to enhance security and prevent similar exploits.