The present disclosure provides an authentication method for e-wallet carrier, wherein the e-wallet carrier is stored with an authentication program, and the method comprises: an escrow institution constructs user information and a user database, and the user database has private and public key information; the escrow institution generates authentication information through the authentication program, and transmits the private key information as well as authentication program to the carrier to make the carrier in a restricted mode; when receiving verification information and confirming that its user information is correct, the escrow institution provides the authentication information to the user; after electronic receives the authentication information, the carrier is switched to be in a unlocked mode, thus to make transactions in currency. Through this, the information content of the private key information is in the custody of the escrow institution reduce the risk of man-caused loss in the private key information.