AmEx's patent highlights the tech's role in retaining "transaction data, contract data, proof-of-payment data, identification data, and/or other information as desired," with the idea being that a blockchain network – possibly a public one – would serve as an extra layer of proof for transactions that take place on AmEx's network.
An article about another major company exploring the blockchain in order to make their business more efficient. And American Express needs more proof of transactions from what I've heard from small business owners who have charge backs from customers that aren't warranted. A constant battle for them.
Read the full story here...
https://www.coindesk.com/american-express-thinks-blockchains-could-help-prove-payments/
