Solving a blockchain conundrum: Biometrics could recover lost encryption keys
The person holding the blockchain private key could issue various public keys controlling who has access to the personal data on the blockchain. So, for instance, if a car rental agency needed to verify you have a driver's license, you could use a ...
Amex Files Patent for Blockchain System to Match Images of Receipts With Stored Records
Financial services giant American Express (Amex) has filed a patent for a blockchain-based system to capture and transmit the image of a receipt, according to a U.S. Patent and Trademark Office (USPTO) patent filing published Nov. 13. The patent ...
American Express Patents Blockchain System To Send Receipt Images