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You can't prove that they are telling the truth. Cryptography is the only tool I know of that gives you this ability.
by jl2718 4y ago
You can't prove that they are telling the truth. Cryptography is the only tool I know of that gives you this ability.
- hotpotamus 4y agoWouldn't that mean that literally every exchange of value would need to take place on a publicly auditable blockchain? Even gifts/barter?