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Re:You Do Not Need Blockchain: Popular Use Cases and Why The... by pjc50 on Friday February 22, 2019 @01:29PM (#19227747)
Not quite, they make the merchant write it off. And if someone brings too many disputes, they investigate.

(The small fraud problem is one reason I think micro payments can't happen: you can't investigate sub-cent fraud, but if someone can automate it they can steal a lot.)

Re:You Do Not Need Blockchain: Popular Use Cases and Why The... by patmcguire on Friday February 22, 2019 @02:00PM (#19228059)
Or you have a system with incredible amounts of fraud that still manages to function, like CPC ads