Self-serving plug: I created valME.io to do exactly this. [1] It uses Bitcoin. [2] YoursNetwork also has a working prototype. [3] [1] https://valme.io/c/gettin

Self-serving plug: I created valME.io to do exactly this. [1] It uses Bitcoin. [2] YoursNetwork also has a working prototype. [3] [1] https://valme.io/c/gettingstarted/faq/pkqqs/the-genesis-of-valme-io-what-were-you-thinking/ https://valme.io/c/gettingstarted/faq/pkqqs/the-genesis-of-v... [2] https://valme.io/c/gettingstarted/faq/kqqqs/how-valme-works/ https://valme.io/c/gettingstarted/faq/kqqqs/how-valme-works/ [3] https://stories.yours.org https://stories.yours.org