[acchow]

This is only Visa's datacenter costs. What about all the employees working at banks to support all these credit card holders? What about all the physical snail mail being carried around by actual vehicles and driven by humans? What about the entire debt collection system?

[TeMPOraL]

All you've mentioned is secondary infrastructure that facilitates the use of financial system. If ever (God forbid) Bitcoin volume rises to the scale of Visa, it'll have all those costs too. Including the snail-mail shipping of wallet hashes.

[walterstucco]

Programmers are humans too