公开(公告)号：US20200327556A1

公开(公告)日：2020-10-15

申请号：US16399889

申请日：2019-04-30

Applicant: salesforce.com, inc.

Inventor： Jeff Lin Wang ,  George Lim ,  Jiaxiang Chen

IPC: G06Q30/00 ,  H04L9/06 ,  H04L9/32 ,  G06Q20/36

Abstract: A method by a network device to record certifications granted to users in a distributed ledger implemented by a peer-to-peer computer network. The method includes responsive to determining that a second certification has been granted to a user after the first certification has been granted to the user, causing a token transfer to be recorded in the distributed ledger between a digital wallet associated with the second certification and a digital wallet associated with the user to indicate that the second certification has been granted to the user and also causing a token transfer to be recorded in the distributed ledger between a digital wallet associated with the first certification and the digital wallet associated with the second certification to indicate that the second certification has been granted to the user after the first certification.