主权项 |
1. A method comprising:
generating, by a server computer, a first credential corresponding to a first data element for a first user; generating, by the server computer, a second credential corresponding to a second data element for a second user, wherein the second credential is associated with the first credential; sending, by the server computer, the second credential to the second user through a delivery channel; receiving, by the server computer, the second credential and a delivery channel identifier associated with the second user with a request by the second user; and fulfilling, by the server computer, the request according to the second data element. |