# GG20 Hackathon Alumni Round: buidlbox Projects **Published by:** [buidlbox](https://paragraph.com/@buidlbox/) **Published on:** 2024-04-26 **Categories:** gitcoin, hackathons, web3, grants **URL:** https://paragraph.com/@buidlbox/gg20-buidlbox ## Content Gitcoin Grants 20 kicked off this past Tuesday (April 23) which included the inaugural Hackathon Alumni Round with a $100k matching pool. The purpose of the Hackathon Alumni Round is to foster the growth and impact of open-source software (OSS) within the tech ecosystem, there’s a growing need to support projects that have shown promising beginnings at recent hackathons.That being said, we’re excited to share some projects that have participated in previous hackathons on buidlbox!View the buidlbox hackathon alumni collection for GG20 here. The donation period closes on May 7, 2024 at 23:59 UTC.Check out these buidlbox hackathon projects and show them some GG20 love (funds!) 💸👇Atletzbuidlbox project: https://app.buidlbox.io/projects/atletzGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/43In a world where exercise is now a leisure activity and a way to build communities, the lack of financial backing for athletes is noticeable. This hampers athletes’ commitment to their sport, while fans settle for inadequate local options. Atletz steps in, using Blockchain tech to connect fans and athletes authentically, offering benefits through a unified profile.DAO Coalitionbuidlbox project: https://app.buidlbox.io/projects/allonetGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/25Innovation in the DAO ecosystem has been outpacing the rate at which relevant legal clarity is established, leaving entrepreneurs, investors, and changemakers in the dark as to how to compliantly proceed. The DAO Coalition intends to help shed a light on some of these matters, by tapping into the insights and opinions of the various DAO communities, and advocating on behalf of them.DAO Drivenbuidlbox project: https://app.buidlbox.io/projects/dao-driveGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/10Welcome to Decentralized GrantStream, an innovative platform in the Web3 space, designed to bridge the gap between developers and investors. Leveraging the power of Arbitrum, Allo-V2 by GitCoin, and Hats protocols, our platform offers a transparent, democratic process for project funding and management.dApp Store🛡buidlbox project: https://app.buidlbox.io/projects/upstoreGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/12Decentralized app stores (dApp stores) are different. They are built on blockchain technology, which distributes control among a network of computers. This means that there is no single authority that can decide what gets listed in a dApp store.DeStealthbuidlbox project: https://app.buidlbox.io/projects/deezstealthGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/34We believe that this tool will be useful for DAOs or large fund managers or anyone really who needs to transfer large amounts of tokens to multiple (or many many) users and also wants to do that in a way that they can preserve some user privacy while benefiting using ETHEREUMS SECURITY and all the benefits of SCALE and CHEAP GAS on L2's.hashlistsbuidlbox project: https://app.buidlbox.io/projects/the-univeGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/48hashlists is a protocol that we are building for the creation and management of curated lists on the blockchain. By organizing blockchain addresses into specific sets, hashlists provides a way to manage allowlists, blocklists, or other curated groups, which are useful for conditional onchain interactions. This is particularly relevant for enhancing security, controlling access, and facilitating community governance within decentralized ecosystems.HonorCodebuidlbox project: https://app.buidlbox.io/projects/honor-codeGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/47HonorCode is an open-source project reputation protocol for DAOs to recognize contributions from builders. It l consists of a semi-transferable token: a token that can only be transferred between a set of contracts belonging to the DAO. Flows of this STT creates a prediction market and results oracle, as well as an outlet for governance.Margaribuidlbox project: https://app.buidlbox.io/projects/margariGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/2Margari is a cross chain fund distribution tool that enables users of Allo to efficiently distribute funds cross chain to contributors removing the need for Grantors and Grantees to be on the same chain.Mosaic: Earn rewards for using your favorite web3 apps and protocolsbuidlbox project: https://app.buidlbox.io/projects/mosaic-dropsGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/40Mosaic help brands and creators engage fans and reward loyalty. It comprises two complimenting platforms, Insights and Drops, that together generate powerful analytics from onchain and offchain data and reward users who meet impact requirements. We make working with open data simple and fun with no code tools that automate data provisioning and modeling.RejuvenateAIbuidlbox project: https://app.buidlbox.io/projects/rejuvenat-avnGG20 Grantee link: https://explorer.gitcoin.co/#/round/42161/23/32RejuvenateAI is the first community blockchain based project powered by community and built for community to promote healthy living and achieve healthy locations where people live up to 100 years all around the world. ## Publication Information - [buidlbox](https://paragraph.com/@buidlbox/): Publication homepage - [All Posts](https://paragraph.com/@buidlbox/): More posts from this publication - [RSS Feed](https://api.paragraph.com/blogs/rss/@buidlbox): Subscribe to updates - [Twitter](https://twitter.com/buidlbox): Follow on Twitter ## Optional - [Collect as NFT](https://paragraph.com/@buidlbox/gg20-buidlbox): Support the author by collecting this post - [View Collectors](https://paragraph.com/@buidlbox/gg20-buidlbox/collectors): See who has collected this post