According to CoinMeta, users who purchased the Ledger device have encountered issues, resulting in unauthorized modifications to their accounts. The specific methods of these unauthorized alterations are not yet clear, but it may be related to the mnemonic phrases generated during user initialization (such as weak random numbers). It is currently known that the loss amounts to nearly 90 million US dollars. Some affected users have already contacted the relevant parties for intervention, and the matter is being followed up on.