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A comment on Walmart filed patent for “Digital Currency via Blockchain”. Parent comment

Re:Walmart filed patent for “Digital Currency via Blockchain” by overcast on Saturday August 03, 2019 @12:25PM (#20601176)
Revenue.
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Re:Walmart filed patent for “Digital Currency via Blockchain” by johntiger1 on Saturday August 03, 2019 @01:37PM (#20601603)
Selling a dollar for 80 cents, i'll have unlimited revenue this year :)
[ Parent | on HN ]