On June 20th, the final selection results of the ETH Beijing Hackathon main track were released, and the list of winning projects is as follows: Public Goods Circuit: POLP (Proof of Location Protocol) 2nd place 2PM Network 3rd place ZK-Discord Open Research Track: 1st Place Centralized-PBS Second place NFT_search 3rd place NomadBnB Layer2 track: First place annihilate fi 2nd place zkHumanDID Third place Nexus