Some blamed the theft on an apparent malicious Ethereum transaction the user had signed nearly three years prior. However, while a malicious transaction signature on Ethereum could explain the NFT thefts, it should not alone enable the theft of assets on the separate bitcoin blockchain.
Despite this, Ledger blamed its customer, telling a media outlet that "As we know, the user got phished when it comes to the ETH wallet, we can assume user error on the BTC side too".