https://steemit.com/cryptocurrency/@zac2116/30-seconds-to-win-1-eth
I believe that was the experiment for this:
https://medium.com/@linonetwork/proof-of-human-engagement-on-decentralized-networks-6a87f50d7d55
https://steemit.com/cryptocurrency/@zac2116/30-seconds-to-win-1-eth
I believe that was the experiment for this:
https://medium.com/@linonetwork/proof-of-human-engagement-on-decentralized-networks-6a87f50d7d55