Mastercard patented public blockchain process

They are working on a blockchain payment process.

Prevents card skimming which costs 2 billion annually.

"The transaction may be conducted via the display of a machine-readable code to the point of sale device, which may further prevent skimming as the reading of such a code can be more easily controlled via control of the underlying display; the display can be easily shielded and is often obscured when in a pocket or purse."

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