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A visa/mastercard that is 2,220 times less efficient: https://news.ycombinator.com/item?id=29079867 https://news.ycombinator.com/item?id=29079867
by mrep 5y ago
A visa/mastercard that is 2,220 times less efficient: https://news.ycombinator.com/item?id=29079867 https://news.ycombinator.com/item?id=29079867