Wallets linked to Bitget’s $387.5 million hack moved about $3.9 million in Zcash into the cryptocurrency’s private payment system on Wednesday, making the stolen funds harder to follow as the exchange tries to recover them.
CoinDesk’s review of transaction records found that 2,746 ZEC entered Ironwood, Zcash’s newest shielded pool, in three transfers between 08:15 and 08:46 UTC.
Pseudonymous blockchain investigator ZachXBT first flagged the movements earlier Wednesday. The money came through two intermediary addresses funded by a wallet that Bitget identified as belonging to the attacker, he said, which received nearly 18,917 ZEC during the Sept. 24 breach.
Zcash offers both public and private payments. Investigators can see how much enters a shielded pool, but transfers inside it hide the sender, recipient and amount.
That makes it harder to connect a later withdrawal to the stolen coins, although timing and amounts can still…
