You are viewing a single comment's thread from:

RE: American Express Upgrades Rewards Program with Hyperledger Blockchain

in #cryptocurrency • 7 years ago (edited)

They use the blockchain (distributed ledger made available to everyone). Then they go apply for a patent (for their use only). Some things may will never change

7 years ago in #cryptocurrency by
$0.00
    Reply 0

    Coin Marketplace

    STEEM 0.14
    TRX 0.22
    JST 0.031
    BTC 80256.83
    ETH 2139.65
    USDT 1.00
    SBD 0.65