Bollcoin reported on October 22 that D-Wallet officially published an article introducing the multi-layer security mechanism of its Guardian Sign feature. According to the official explanation, holding the transaction wallet's private key alone cannot withdraw assets from the multi-signature storage account; when recovering assets through the Guardian Passphrase, a paired transaction wallet signature is still required, and funds can only be returned to that wallet address. In addition, transferring stored assets to other addresses still requires multi-signature authorization. D-Wallet stated that the design aims to manage daily transactions and asset storage separately, reducing the security risk that a single credential leak poses to stored assets.