Earlier quoted context omitted.
Okay, does Visa offer distributed consensus and verifiable transactions with no central trusted authority? Then it's an apples to oranges comparison isn't it...? By the same logic, trucks are useless and inefficient because my moped burns 1/100th of the fuel per km. > This is not something that can be solved with current crypto approaches. There are information theory constraints regarding how long it would take to r…
> does Visa offer distributed consensus and verifiable transactions Yes. You sign one receipt at the store with a security camera pointing at you, and are handed a second, matching receipt by the vendor.
Btw, you don't actually do that anymore. They dropped the signature requirement.