US 12,476,819 B2
Verification system for proving authenticity and ownership of digital assets
Rivka Aspler-Yaskil, Hod Hasharon (IL); Mehak Jethmalani, Jersey City, NJ (US); and Michael Jim Tien Chan, San Jose, CA (US)
Assigned to PayPal, Inc., San Jose, CA (US)
Filed by PayPal, Inc., San Jose, CA (US)
Filed on May 10, 2022, as Appl. No. 17/741,223.
Prior Publication US 2023/0370275 A1, Nov. 16, 2023
Int. Cl. H04L 9/32 (2006.01); H04L 9/00 (2022.01); H04L 9/08 (2006.01); H04L 9/40 (2022.01)
CPC H04L 9/3239 (2013.01) [H04L 9/0822 (2013.01); H04L 9/50 (2022.05); H04L 63/0428 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A verification system comprising:
a non-transitory memory; and
one or more hardware processors coupled to the non-transitory memory and configured to read instructions from the non-transitory memory to cause the verification system to perform operations comprising:
signing a digital asset using an encryption key, wherein the digital asset is associated with a first entity;
generating a first key and a second key from the encryption key, wherein the first key and the second key are part of a set of multi-party secret keys, wherein the first key is associated with the first entity and the second key is stored in the verification system;
sending the first key to the first entity;
receiving a request to authenticate the digital asset;
receiving a first verification key from the first entity, whereby the first verification key is generated from the first key;
generating a second verification key at the verification system from the second key;
re-generating the encryption key using the first verification key and the second verification key; and
authenticating the digital asset with the re-generated encryption key, by matching the encryption key to the re-generated encryption key.