24 new projects, ETH Shanghai hackathon project list

The ETH Shanghai Hackathon was held online from May 20th to 31st and officially concluded on June 3rd. During the hackathon, more than 900 contestants signed up and more than 200 project submissions were received. After the review and scoring, 24 excellent projects that used the development tools provided by the sponsors stood out and were displayed on the online Demo Day on the 3rd. Own hackathon work.

ETH Shanghai Hackathon is The parallel event of the Ethereum Shanghai Web 3.0 Developer Summit, led by Mask Network and co-organized by Gitcoin, aims to encourage new developers to build creative and innovative applications that can create a new pattern in the Web 3.0 world. The Ethereum Shanghai Web 3.0 Developer Summit is hosted by members of the Ethereum Shanghai (ETH Shanghai) Preparatory Committee (Low Dimension Technology and Omniverse), China Biodiversity Conservation and Green Development Foundation (hereinafter referred to as "China Green Development Council") and Co-organized by Business China and supported by the Ethereum Foundation. The Ethereum Shanghai Web 3.0 Developer Summit and Hackathon activities were selected into the "Guidelines for Important Academic Conferences (2022)" selected by the China Association for Science and Technology with the full assistance of the China Green Hair Association, which also reflects the association's professional recognition of the summit and technical concerns about the current Internet.

The sponsors of this hackathon provided developers with a total of more than 140,000 US dollars in bonuses to attract developers to use Its network or technology carries out the construction of a new generation of social network. The developer teams participating in the Demo Day come from all over the world, and the judges are from top Web 3.0 projects and related venture capital institutions, including Ethereum Foundation, ConsenSys, Polygon, NEAR, Mask Network, Dragonfly Capital, Digital Currency Group, Hash Global, Y2Z Ventures (Visit the Hackathon official website to view the complete list of judges). At the same time, the Ethereum Foundation also supported the smooth holding of this Hackathon.

ETH Shanghai Hackathon has seen more than 200 teams build projects spanning multiple applications, among which decentralized social networking is the focus of the project. Several teams responded to popular concepts such as Soul Bound Token and decentralized identity (DID) with projects, involving many very specific Web3 application scenarios, such as email sending, marriage and love, private messages, crowdfunding, business Scenarios, on-chain games, and more. It outlines a rich and diverse future Web3 social picture for us.

ETH Shanghai Hackathon winners list (show order in brackets):

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Comprehensive Award

Gold Award

MetaMail (1) Metamail.ink provides Web3 mail service. Users who use MetaMail can use the wallet address/ENS as the email address to encrypt or sign to ensure security. All functions of MetaMail are free. In this hackathon, MetaMail uses KNN3 user follow relationship to develop user recommendation function. (BlockBeats previously had exclusive interviews with both MetaMail and KNN3, see "Conversation with MetaMail: Perfect Web3.0 for Email" Scheme", "Dialogue KNN3: Web3 also needs reliable algorithms")

Silver Award

Kwildb-cli(19) is an interactive terminal, command line client, and database import tool.

Bronze Award (two)

DAOU (10): DAOU (daou.io) uses Soulbound Token and Social Oracle to convert users' daily active data in DAO (such as Discord activity information, DAO contributions, social relationships) into verifiable data on the chain.

VokaAI (6): Voka is the embodiment of the new generation of Web 3.0 technology. Voka not only generates unique anime avatars through proprietary AI technology, but also uses existing NFT PFPs to generate digital identities.

Category Award (see below for project introduction)

Best decentralized identity project: Def Network (11)

Best on-chain data project: Web3 Shop (14)< /p>

Best Access Control Project: TogetherthDAO (4)

Best Web2-Web3 Bridge Project : Scam Sniffer (12)

Best Social Game Project: Arche Network (16)

Best Arweave Ecological Project: Kwildb-cli (19)

Best Communication Project: Xmtp-Lit (22)

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The following are the Demo Day display items (arranged in order of presentation):

1. MetaMail(@MetaMailInk) (Gold Award Project)

https://github.com/MetaMail/metamail- fe

https://www.youtube.com/watch?v=fXMY5U3dj3k

MetaMail (metamail.ink) provides Web3 mail service, compatible with ordinary mail, and can freely send and receive mail with any other mailboxes (such as Gmail and QQ mailboxes). Users who use MetaMail can use the wallet address / ENS as the email address, and strengthen email security through digital signature and end-to-end encryption. All functions of MetaMail are free and without gas fee. In this hackathon, MetaMail uses KNN3 user follow relationship to develop user recommendation function.

2.ETHChat

https://github. com/GeorgeFane/ETHchat/

https://youtu.be/ns02CxG63YU

ETHChat Filter service is provided in XMTP and CyberConnect, through which users can screen out private messages from people they follow. The user interface will consist of three parts: Follow, Be Followed, and Mutual Relations, and follow requests can be sent through ETHChat.

3. ArtBy City (@artbycity)

https ://gitcoin.co/hackathon/ethshanghai/projects/15680/art-by-city

Art By City (artby.city) is committed to creating a Web3 Art Deposit Agreement. This hackathon developed the first Art By City node, which will reward creators by tracking the condition of art assets stored on Arweave through the Meson Network.

4.TogethDAO (best authority control project)

https://github.com/TogethDAO

https://github.com/orgs/TogethDAO/repositories

https://youtu.be/TlvsHnNld5k

TogethDAO is a secure and transparent crowdfunding platform guaranteed by smart contracts. Allowing users to pool their tokens together to solve the problem of buying Ethereum FT tokens GAS fees and expensive blue-chip NFTs. The creator realizes the closed loop of a proposal through 4 steps of creation-cross-chain-purchase-sell. Participating users will receive tokens after the proposal is completed. In the future, we will continue to develop more DAO functions, including not limited to using funds to purchase FT or NFT, which will allow users to flexibly participate in the formation of micro-VCs in the circle of friends, joint investment, fund management, etc.

5. Proof of Soul (Fast Red Wood)

https://github.com/fastRedwood/ETHShanghai2022

https://www.youtube.com/watch?v=O3YiPVOWnVI

Proof of Soul is a permissionless soul token issuance and proof protocol that builds rich human connections for a decentralized society.

6. VokaAI (Bronze Award Project)

https ://github.com/Zhang-Tianxu/VokaAIProtocol

https://www.youtube.com/watch?v=GCmYkD1LSS8&t=10s&ab_channel =DennisHY

VOKA AI is a new form of the new generation of Web3.0 aborigines. VOKA AI can not only generate exclusive anime avatar through AI technology; it also allows the use of existing NFT PFP to generate digital identities. At the same time, VOKA AI will cooperate with the world's top designers and clothing brands to create a variety of virtual outfits and sell them through the OpenSea platform. Users can use digital identities to travel through different application scenarios, such as: video conferencing, webcasting, virtual social networking, and even Web3.0 games.

7.Popula(@beepopula)

https: //github.com/popula-io/popula-eth-shanghai

Testnet.popula.io

https://youtu.be/kQLKYW_Pkeo

Popula is committed to building a new Web3 creator economic infrastructure, through non-transferable Token (Non-transferable Fungible Token) builds a reputation system, and builds a value network with token economics to help creators monetize and motivate community participants to create a community.

8.CryptoIn

https://github. com/ShuaJJ/CryptoIn/blob/master/README-ChainIDE.md

https://crypto-in.surge.sh/

https://youtu.be/M-DJH-zKCSY

The goal of CryptoIn is to create LinkedIn in Crypto, Use decentralized technology to create a social platform for blockchain practitioners. Users can introduce their professional skills, find suitable job opportunities or entrepreneurial partners; project parties can seek cooperation, raise funds, and find Web3 professionals. All data and chat content are stored in a decentralized manner, allowing everyone to connect freely in the Crypto world.

9.Tai-ShangSoul Card

English: https ://github.com/WeLightProject/Tai-Shang-Soul-Card

Chinese: https://github.com/WeLightProject/Tai-Shang-Soul -Card/blob/main/README_CN.md

https://youtu.be/KAcfIohP-Y4

Facing the social needs of various ethnic groups in the distributed society (DeSoc), the NonceGeek team created the SoulCard product—an on-chain business card that can mark the ethnic identity of the soul.

10.DAOU (Bronze Award Project)

https ://github.com/DAOU-IO/daou

https://www.daou.io/

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https://www.youtube.com/watch?v=IFk3CKR3UG8

DAOU uses Soulbound Token and Social Oracle to place members in DAO activity data (Discord activity and participation, forum Q&A, Github code contributions, DAO roles and connections) into on-chain verifiable data. Social Oracle refers to encouraging members in the same DAO to sign and verify the data generated in the DAO, so as to make the data more credible, and the verified data will be published to the member's Soulbound Token, and can be called by third parties at the same time. Functions can be used for credit loans, targeted airdrops, whitelists to prevent DDoS attacks, etc.

11.DefNetwork (Best Decentralized Identity Project) (@NetworkDef)

https://github.com/DimensionDev/Maskbook/pull/6388

https:// youtu.be/DM8F511JNus

Def Network is a collaborative tool for creating user labels for wallet addresses. Def Network can make it easier for developers and analysts to obtain user portraits on the chain. The on-chain behavior data organized by Def Network is integrated into Events and Properties that are easy to understand and use, and any user can use them to query a list of eligible addresses. Users can use Def Network to send airdrops, recommendations, build user portraits on the chain, or develop Trading tools, etc.

12.ScamSniffer (Best Web2-Web3 Bridge Project)

https://github.com/DimensionDev/Maskbook/pull/6336

https://youtu.be/1TWDhPTR6_E

Scam Sniffer is a browser plug-in built on the Mask Network ecology, which can help users discover potential phishing risks in time and protect users' assets. At the same time, once the plug-in finds a phishing website, it will report it to the MetaMask anti-phishing center in time, so as to block related websites and phishing addresses in time and minimize the risk of phishing for Crypto users.

13.ZkSafebox

https://github. com/busyapedao/zksafebox-contract

https://www.youtube.com/watch?v=qieJDN68hbg

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zkSafebox - Zero-knowledge safe: An asset safe based on zero-knowledge proof. When taking out assets, a password is required, and the password does not touch the Internet. If the password is stolen, the safe remains safe; if the private key is stolen, the safe remains safe; the safe is only at risk if both the password and the private key are stolen. If the user forgets the password, it can be recovered through social.

14.Web3shop (the best on-chain data project) (@Lab3_Web3Shop)

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https://github.com/Tingwei-Justin/web3shop-dapp

https://web3-e-commerce.vercel. app/

Web3Shop is a next-generation e-commerce social platform specially built for Web3. The idea of Web3Shop is to gather designers and users into a community and jointly complete product design and production, establish new social relationships and inject incentive models for social e-commerce. Web3Shop will abandon the disadvantages of Web2 e-commerce, return traffic and rights to users, gain growth by expanding the network of social e-commerce, and strive to create a Web3 community that understands users best.

15.Marry3 (@marryinweb3)

https: //github.com/marryinweb3/Marry3

Marry3 is a social experiment project. The original idea originated from the bottom-level thinking of 0x addresses in Web3 as aborigines. The landing idea is based on the unhealthy status quo of the Web3 ecology. In the end, the phased answer given by Marry3 is a non-finance nft that is non-tradable, non-transferable, and bound in pairs, and the idea of SBTs (soulbound token) A perfect fit, Marry calls it the Paired Soulbound Token. Based on this idea, Marry3 built a basic SBTs contract and business contracts and dApps such as multi-signature negotiation and DAO arbitration on the upper layer. In the future, it is not ruled out to issue tokens and invest all income in the pool as an ecological economic incentive.

16.ArcheNetwork (Best Social Game Project) (@Arche_Network)

https://github.com/Archenetwork?tab=overview&from=2022-05-01&to=2022-05-31

https://www.youtube.com/watch?v=zsGukmSeUGI

Arche Network is a community-driven Web3 game ecosystem. Help players influence each other beneficially in the community by developing and integrating Web3 protocol tools, exchanging value, sharing creations and collaborating through the platform. In this hackathon, Arche shared the DID system and the practical solutions in the DID field with Project Galaxy.

17.RomaN-Date

https:// github.com/RomaN-Date

https://roman-doc.vercel.app

RomaN is a SocialFi dating dApp, with the concept of trust and transparency through the LIKE option Prepay, pay and earn. The blockchain and the sponsorship deal from this hack have brought RomaN an excellent solution to leverage the dating industry from Web2 to Web3 with content, interoperability and incentives. RomaN's user interaction will be based on a decentralized protocol. Users will receive referral links through CyberConnect, view pre-generated materials through RSS3, and be able to communicate with their digital identities through XMTP.

18. StarlightSocial

https://lively- violet-8626.on.fleek.co/

https://youtu.be/dhUprJ8mQ9Q

Starlight Social is a refreshing new social platform built on the Moonbase Alpha blockchain, designed to take advantage of the exclusive pre-compatibility on Moonbeam to provide a new social experience while maintaining the security of the protocol.

Starlight Social allows users to share media information and provides them with rewards. At the same time, the value brought by users is mortgaged using Moonbeam's unique prepaid protocol, enabling users to obtain additional collective benefits when sharing with each other.

19. Kwildb-Cli (Silver Award Project + Best Arweave Ecological Project)

https://github.com/xendarboh/kwildb-cli

https://youtu.be/Oeaq1yXiYxs

Kwildb-cli is an interactive terminal, command line client and database import tool. Conceptually modeled after the mysql and psql terminal clients for a traditional comfortable developer experience. It enables users to interactively enter queries, issue them to the Kwil database (optionally synced to the blockchain), and see the results of the queries. SQL input can be read from a file as a database import tool. A configuration wizard allows Kwil Data Moat configurations to be created easily and restored quickly.

20.Shorum

https://github. com/Shorumlab/shorum

https://www.youtube.com/watch?v=Bg59yLD1084

Shorum is a social value derivation platform of Web3 network, which uses the relationship generated by RSS3 and KNN3 to derive a payment scheme with social attributes. It can be used in scenarios such as community payment, fan payment, DAO salary payment, etc. Support whitelist, NFT authentication and other functions.

21.Web3nft.social (@Web3HackerNinja)

https://github.com/NftTopBest/web3nft.social

https://www.loom.com/share/f49d8e0c76d14e8eb8390804026b1a3b

The goal of Web3NFT.Social is to build a Web3 version of Linktree, with browser plug-in support so that users can see the ratings of each account on Twitter and link to the homepage of the platform. On this basis, NFT SaaS services will be launched on the Web3NFT.Social platform in order to serve more Web2 users to use Web3. For example, to provide automated NFT generation services, on the homepage, you can set up on-chain authority verification based on LIT (https://litprotocol.com/) to realize various services on the platform. This hackathon also developed a filter chat prototype based on LIT + XMTP + CyberConnect, which will be developed into the platform as a basic functional service in the future.

22.Xmtp-lit (Best Communication Project Award) (The darkrai07)

https://github.com/thedarkrai07/xmtp-litprotocol

https://www.loom.com/share/b98304ed859644d89cb51df88eb7155e

Xmtp-lit is an embedded chat application for Xmtp and cyberconnect, users can send messages to other people through the application. Xmtp-lit also has the functions of adding friends by address and filtering friends' messages.

23.Fraction Interface

https://github .com/0xPr0f/Fraction-interface/tree/maindev

https://frac-tion.vercel.app/

https://www.youtube.com/watch?v=JuVF0JAdlb8

Fraction is a feature that allows users to earn A revenue protocol that wraps assets (usually stable coins) on ERC1155 and earns revenue in the form of superfluid custom tokens. Fraction also provides the ability to mint soul-bound NFTs, binding users to their assets and earning more benefits.

24. SuperfluidCeramic AddressBook

https://gitcoin .co/hackathon/ethshanghai/projects/15522/superfluid-and-addressbook-ceramic-datamodel-integration

https://youtu.be/akCUKKoc18M

Superfluid is a smart contract framework on the EVM network that enables users to transfer assets on-chain according to predefined rules called protocols. Through a single transaction on the chain, the funds will flow from the payer's wallet to the payee in real time

About this ETH Shanghai hack For more information on Song, please follow the Twitter account @ETHShanghai2022.

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