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American Express Files Patent for Blockchain-Powered Proof-of-Payment System

July 13, 2018 by DIGIT
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American Express has filed a patent for a blockchain-powered proof-of-payment system

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Categories american express, Blockchain, Patents, Payments, USA
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  • ethereumEthereum(ETH)$3,113.862.12%
  • tetherTether(USDT)$1.00-0.03%
  • solanaSolana(SOL)$237.9411.48%
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  • rippleXRP(XRP)$1.125.15%
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  • staked-etherLido Staked Ether(STETH)$3,111.972.09%
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  • bitcoinBitcoin(BTC)$90,538.000.95%
  • ethereumEthereum(ETH)$3,113.862.12%
  • tetherTether(USDT)$1.00-0.03%
  • solanaSolana(SOL)$237.9411.48%
  • binancecoinBNB(BNB)$624.922.57%
  • rippleXRP(XRP)$1.125.15%
  • dogecoinDogecoin(DOGE)$0.3713277.50%
  • usd-coinUSDC(USDC)$1.000.03%
  • staked-etherLido Staked Ether(STETH)$3,111.972.09%
  • cardanoCardano(ADA)$0.733.84%