What is a hot wallet, and why there is none behind your Clevor card

On the evening of 29 October 2026, in about twenty minutes, roughly USD 6.3 billion left the hot wallets of the exchange Binance across ten blockchains. Nobody stole a private key. No smart contract had a bug. By the exchange’s own account, an attacker got onto an engineer’s laptop, from there into a service inside […]