Attacker gained access to BXH's administrative private key, allowing digital signature of a transaction transferring $139 million in tokens directly to the attacker's account. The details suggest an insider or compromised system with access to the admin key storage, making this likely an inside job or successful targeted malware infection.

The decentralized transaction protocol BXH tweeted that the assets of the protocol on the Binance Smart Chain (BSC) chain were hacked.