Verification system and method for cooperating with blockchain and off-chain devices Grant US-11336431-B2 United States of America 17 May 2022
Verification system and method for chaining data Grant US-11329828-B2 United States of America 10 May 2022
VERIFICATION SYSTEM AND METHOD FOR COOPERATION OF BLOCKCHAIN AND OFF-CHAIN DEVICE Application JP-2020182214-A Japan 05 Nov 2020