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| $20.10% | |
| $20.08% | |
| $0.680.03% | |
| $0.290.01% | |
| $0.280.01% | |
| $0.210.01% | |
| $0.180.01% | |
| $0.170.01% | |
| $0.140.01% | |
| $0.130.01% | |
| $0.130.01% | |
| $0.100.00% |
David Chaum's "blinded cash" was the FIRST EVER cryptographic digital cash system created in 1983.