API Keys Removed: Why Binance Just Blocked SignalPlus Connections Binance has removed all API keys linked to SignalPlus as a precaution following a reported potential security issue, ensuring its user's systems and funds remain safe. Derbit also canceled API keys connected to SignalPlus, thereby halting all trading and automation through the platform until further notice from SignalPlus. The founder of Binance advised SignalPlus users on all exchanges to cancel their API keys and emphasized the importance of testing security controls.