Visa's Patent To REPLACE CASH using Ethereum block chain.

in ethereum •  4 years ago 

According to the US Patent office (USPTO) VISA has had their patent PUBLISHED for DIGITAL FIAT CURRENCY.

ethereum usa dollar cash ban
4 years ago by

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      ·  4 years ago 

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      ·  4 years ago 

    wow it happens.. already! :)

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      ·  4 years ago 

    scary but true.

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    1 vote