ChainCatcher news, Worldcoin announced the 28 grant recipients of the community grant program Wave0 to advance the construction of the Worldcoin Tech Tree. The grant recipients include the voting solution Votexx, the proof aggregation protocol NEBRA, the Ribbon Protocol which enhances global welfare by utilizing health and socioeconomic data from World ID users, the data protection project xx Network, Rarimo which makes World ID usable on any EVM chain, and the anti-witch-hunt voting system Wonderland, among others.It is reported that the Worldcoin Tech Tree is a visual representation of the project's key areas and potential subsets within those areas, such as user agents, hardware, operations, protocols, and governance.