US 11,924,360 B2
Blockchain timestamp agreement
Sachiko Yoshihama, Kawasaki (JP); Tatsushi Inagaki, Yokohama (JP); Yohei Ueda, Tokyo (JP); Kohichi Kamijoh, Tokyo (JP); and Hiroaki Nakamura, Tokyo (JP)
Assigned to Green Market Square Limited, (VG)
Filed by Green Market Square Limited, Road Town (VG)
Filed on Oct. 8, 2018, as Appl. No. 16/154,063.
Prior Publication US 2020/0112446 A1, Apr. 9, 2020
Int. Cl. H04L 9/00 (2022.01); G06F 16/18 (2019.01); G06F 16/182 (2019.01); G06F 16/27 (2019.01); G06Q 20/38 (2012.01); H04L 9/06 (2006.01); H04L 9/32 (2006.01)
CPC H04L 9/3297 (2013.01) [G06F 16/1805 (2019.01); G06F 16/1834 (2019.01); G06F 16/27 (2019.01); G06Q 20/382 (2013.01); H04L 9/0643 (2013.01); H04L 9/50 (2022.05)] 13 Claims
OG exemplary drawing
 
1. A database storage system, comprising:
a network interface configured to submit a blockchain transaction comprising an original timestamp to an endorsing node included within a blockchain network; and
a processor configured to:
receive an endorsed blockchain transaction comprising a timestamp added by the endorsing node;
determine a reputation value for the endorsing node based on a difference between the timestamp added by the endorsing node and the original timestamp;
determine a final timestamp based at least in part on the original timestamp, the timestamp added by the endorsing node, and the determined reputation value for the endorsing node;
assign the final timestamp to the blockchain transaction; and
store the final timestamp for the blockchain transaction within a blockchain.