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Re:Transaction Costs and Tethers: Why I’m a Crypto Skeptic by pbreit on Tuesday July 31, 2018 @06:15PM (#17657751)
Except that the bulk of the fees to the merchant are paid back out to cardholders in the form of rewards and cashback. So it's closer to a wash.
Re:Transaction Costs and Tethers: Why I’m a Crypto Skeptic by magnetic on Wednesday August 01, 2018 @11:34AM (#17663446)
Someone seems to have computed the cash vs CC money flow: https://www.bostonfed.org/publications/public-policy-discuss...

"On average, each cash-using household pays $149 to card-using households and each card-using household receives $1,133 from cash users every year."

Re:Transaction Costs and Tethers: Why I’m a Crypto Skeptic by darawk on Tuesday July 31, 2018 @06:31PM (#17657869)
Visa still managed to make $15 billion in gross profit last year. Seems pretty significant to me.
Re:Transaction Costs and Tethers: Why I’m a Crypto Skeptic by pbreit on Tuesday July 31, 2018 @08:49PM (#17658712)
On $7.4 trillion in volume. So about 0.2%.
Re:Transaction Costs and Tethers: Why I’m a Crypto Skeptic by darawk on Wednesday August 01, 2018 @02:01AM (#17660061)
I'd call that a lot.