US 12,406,070 B2
Blockchain security system
Yue Li, Foster City, CA (US); Theodore Harris, Foster City, CA (US); and Tatiana Korolevskaya, Foster City, CA (US)
Assigned to VISA INTERNATIONAL SERVICE ASSOCIATION, San Francisco, CA (US)
Filed by VISA INTERNATIONAL SERVICE ASSOCIATION, San Francisco, CA (US)
Filed on Sep. 15, 2022, as Appl. No. 17/945,836.
Application 17/945,836 is a continuation of application No. 16/532,075, filed on Aug. 5, 2019, granted, now 11,481,499.
Prior Publication US 2023/0004657 A1, Jan. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 21/57 (2013.01); G06Q 40/06 (2012.01); G06N 20/00 (2019.01)
CPC G06F 21/577 (2013.01) [G06Q 40/06 (2013.01); G06F 2221/034 (2013.01); G06N 20/00 (2019.01)] 17 Claims
OG exemplary drawing
 
1. A blockchain storage system comprising:
a node on the blockchain storage system comprising computer executable code for:
receiving first transaction data for execution on the blockchain storage system;
iteratively reviewing the first transaction data in comparison to second transaction data for a plurality of past transactions in a memory of the blockchain storage system;
determining a particular risk score based on the iterative review;
in response to the particular risk score being over a threshold, canceling execution of the first transaction data; and
in response to the particular risk score being over the threshold, alerting members of the blockchain storage system of the particular risk score.