They compromised the official Instagram account then phished its followers for their NFTs.
The attacker seized control of the BAYC Instagram account and sent a phishing post that many followers were fooled into clicking on, connecting their crypto wallets to the hacker’s “smart contract” – a mechanism for implementing a crypto transaction. That enabled the attacker to steal the assets held in the wallets, seizing control of four Bored Apes, as well as a host of other NFTs with an estimated total value of $3m.
This beats the approximations used in ancient Sumer (3.1065) and China (3). Try contacting their respective records bodies.