Just saying, you can do lots of stuff without a trusted third party and with no blockchain, just public-key encryption. [0] Anyway, the flowchart in the paper s

Just saying, you can do lots of stuff without a trusted third party and with no blockchain, just public-key encryption. [0] Anyway, the flowchart in the paper says it all. [0]: https://en.wikipedia.org/wiki/Garbled_circuit https://en.wikipedia.org/wiki/Garbled_circuit