List of 20 award-winning projects from ETHShanghai2023 hackathon.

Original Title: "Review of the 20 Winning Projects at ETHShanghai2023 Hackathon"

Source: Mask Network

ETHShanghai 2023, initiated by Mask Network, is an event dedicated to promoting the Ethereum network and encouraging more builders to join the Ethereum and Web3 communities. This edition of ETHShanghai is jointly organized by core members including Mask Network, Moonshot Commons Lunar Workshop, ChainIDE, and THUBA Tsinghua Blockchain Association.

The entire event brought together nearly 600 developers, including developers and builders from around the world, especially Asia. Over the course of two weeks, a total of 84 teams formed and their projects were created on Gitcoin's hackathon platform, Buidlbox.io.

The main track of this event is divided into five themes: ETH Infra & Public Goods, Layer2 & On-Chain Gaming, Application, AI & Blockchain, and Developer Tools, covering multiple important areas of blockchain technology. The track is designed to deepen the understanding and application of the Ethereum network, and to help promote the maturity and further development of the Web3 community by combining with the emerging technological trends.

In this hackathon, the projects in two major tracks, AI & Blockchain and Layer2 & On-Chain Gaming, are particularly noteworthy. The combination of AI technology and blockchain is gradually showing its potential and application value. On the other hand, On-Chain Gaming, as a new trend in the blockchain field this year, has also shown an active trend with related projects.

After fierce competition, 20 contestants emerged as the final winners. They demonstrated outstanding technical skills and innovative ideas in the competition projects, and it is hoped that these projects in various tracks will provide new thinking and inspiration for readers.

Result announced: https://app.buidlbox.io/ethshanghai/ethshanghai-2023

Following are the introductions of the winning projects:

Ethereum Infrastructure & Public Goods Main Track

First place IZAR

 IZAR is a protocol that implements privacy protection interoperability between the Ethereum and Aleo ecosystems. IZAR is a groundbreaking privacy protection interoperability protocol that seamlessly connects the Ethereum and Aleo ecosystems. We provide comprehensive support for cross-chain communication of arbitrary messages on heterogeneous chains, connecting liquidity between ecosystems, and using industry-leading zero-knowledge cryptography technology to achieve completely private cross-chain transactions. In addition, the protocol will introduce a new governance model (1000 decentralized validators) and zkSnark multi-signature verification to address the centralization problem of current cross-chain bridges, further improving the security and user trust of cross-chain bridges.

Second place Lumi Finance

Third Place ChainFood

Reduce food waste with blockchain technology. ChainFood is the first Ethereum-based dApp that combats food waste by connecting users with nearby free food.

ChainFood is the first non-profit dApp in the Ethereum ecosystem that aims to solve the issue of food waste. Users can obtain free food information, publish listings, and verify their identity through ERC addresses. FoodCoin tokens are used to incentivize users to receive or donate food. Layer2 tokens can be obtained through SBT airdrop rewards. 100% transparency is guaranteed for charitable funds on the blockchain.

Fourth Place BitPoW

BitPoW, a product developed based on the first practical proof of work, is expected to drive important progress in the field of blockchain consensus. With the promotion of this innovation, theoretically, public chains may achieve decentralization beyond Bitcoin, avoid the existence of mining pools, and provide lower gas costs for chain users. The BitPoW team is also committed to ensuring that this progress does not compromise the security of the blockchain, nor does it intend to trigger a mining arms race or unnecessary energy consumption.

Layer 2 & On-Chain Gaming Main Track

First place Cellula

Cellula is a completely chain-based artificial life simulation game. Players explore, cultivate, evolve, and collect unique life forms in the game.

In this game, Conway's Game of Life rules are regarded as the genetic code of life forms, determining their shape and vitality. Using the game's crafting table, players can freely create various genetic sequences and breed their own on-chain life forms. These life forms have unique appearances and attributes, and exhibit diverse forms of life.

Second place GasLockR (GasSubscribe team)

Based on Gas, GasLockR provides on-chain infrastructure and derivative services such as Gas insurance and Gas Fee subscription. GasLockR uses ZK co-processors to obtain historical Gas prices and provide real-time and verifiable pricing models for hedging against Gas price fluctuations. As on-chain infrastructure, it can build protocols and services to address issues such as improving blockchain reliability and user experience. We introduce the term GasFi and GasLockR as the first trustless GasFi derivative protocol. With GasLockR, other wallets or services such as account abstraction (ERC-4337) will be able to provide SLAs to their users, enabling users and organizations to rely on the blockchain ecosystem. Services provided based on GasLockR include tradable Gas insurance, which provides premiums for future Gas prices, and Gas Fee subscription, which allows users to subscribe to Dapp's interactive operations based on transaction quantity or time period using ERC20 tokens or fiat currency.

Third Place: Age of Navigation 

This is a blockchain game that combines real-time strategy, looting, and survival elements in the dark forest. The game map is Satosea, which is covered by a fog of war and encrypted using mimcHash. Various resources, artifacts, and other players are hidden under the fog. Anyone can freely explore Satosea. The game uses MUD as the engine and stores the information of Satosea scene on the chain smart contract. As players sail, they calculate the corresponding parameters on the contract, and the fog of war will be lifted. Players use PoW algorithm to mine resources on the map or pick up artifacts. Resources will become tokens for in-game transactions and pledges, while artifacts can enhance various game performances. Everyone can attack and loot each other's property. When players perform actions such as mining resources or attacking, their location will be temporarily exposed to everyone. Therefore, they need to hide their tracks and obtain information from others. This includes rich strategies and gameplay.

Fourth place Autochessia

Autochessia is a self-playing chess game that runs entirely on the blockchain. This means that not only are all game states read and stored from the blockchain storage, but all processes related to the game are also implemented through smart contracts.

We believe that the full-chain game will bring the next generation of UGC mode, so we made this game and tried to make it scalable.

In order to make the game run on the chain, we implemented JPS (jump point search) in Solidity, designed the minimum interval for the game, and introduced VRF as true random number.

Applications Main Track

First place Lumiterra

Lumiterra is a multiplayer, open-world adventure game. In this vast world, you can battle with different players, plant crops, capture monsters, craft different equipment and weapons, and explore new and exciting things!

At the same time, Lumiterra is not just a fun game. In the past, blockchain games mixed different types of users together, leading to various conflicts of interest and Ponzi schemes. Our innovation is to place DeFi users, GameFi users (gold farmers), and gamers in a coexisting system, where each type of user can pursue their own needs. By satisfying these needs and utilizing the commodity economy mechanism in the overall game, we have built a healthy economic system consisting of three enhanced flywheels.

Second place Non Fungible Time

This is an experimental Web3 protocol that empowers each passing day with the power of a time capsule. By allowing users to publish and mint each day as an NFT, time is marked and preserves those profound moments and precious memories that weave our lives together.

Third place Soulcial

Soulcial is a self-generated social metaverse based on on-chain behavior and real-world data. With the self-developed social activity evaluation model, users can co-create personalized social assets with AI, bind their social scores, and carry out AI-driven social activities to build a unique soulful social metaverse. The project can help users find soulmates while constantly accumulating their decentralized social network.

Fourth Place PeopleEquity

EquitySwap has pioneered a new market value growth model, which ensures good liquidity for project prices during the upward trend. It also reduces impermanent loss and trading slippage, and with precise incentive mechanisms, it heralds the era of DEX rebates, gradually replacing CEX and achieving comprehensive decentralization of trading.

AI & Blockchain Main Track

First place ProtocolSign

Web3 is a privacy electronic signature, asset, and identity carrier. It allows you to sign contracts in a private manner, with only you knowing the contents of the contract. We have also developed an AI contract generation tool that can generate the contract you need in just one sentence. Additionally, this is not just about signatures. Electronic signatures are carriers of assets. Essentially, what we want to do is create programmable credentials for real-world assets on the chain. This can provide users with identity and asset ownership, flexibility, and liquidity.

Second place Megaxis

We have created a prompt market on a decentralized chain based on the Web3 token economy. By tokenizing prompts, the potential value of the market can be realized. The market created by MEGAxis encourages engineers to earn tokens by creating and selling high-quality prompts. The better their prompts perform, the more valuable their tokens become. MEGAxis can also use the Web3 token economy to create a community around the platform. For example, users holding tokens can be given voting rights in platform decisions and vote for or against prompts.

Third place Metavoice

Metavoice is a MetaMask wallet product with voice functionality, specifically designed to empower individuals with visual impairments. We recognize that individuals with limited or no vision face a significant challenge in navigating complex interfaces and managing transactions. We set out to create a solution that would provide seamless and direct access to their cryptocurrency wallets for these individuals, and Metavoice is the result of this effort. Metavoice is not just a product, but also a step towards a more inclusive future, where technology serves everyone equally.

Fourth place Allditors 

AI large model public audit infrastructure and DAO community. We comprehensively measure the alignment of AI with human ethics, and display the model's bias level, values, and other performances in different issues through rankings, portraits, and other forms. People can contribute by providing test data, proposing audit issues and methods, obtaining NFTs, and profiting in the market based on this.

ETHShanghai Main Track - Developer Tool 主赛道

Translation:

ETHShanghai Main Track - Developer Tool Main Track

First place Sodium Wallet

The Sodium wallet utilizes zero-knowledge proofs (ZK) and multi-party computation (MPC) technology, allowing users to access decentralized applications (dApps) without the need for complex workflows or encryption knowledge.

In addition, the Sodium wallet also provides wallet services for decentralized applications.

Second place zkGATE

This is a privacy-based login protocol that allows users to log in to any third-party application using zero-knowledge proofs (ZKPs). In the digital age, privacy and data security are major concerns. When we click to use Google to log in to any application, the third-party application can access all personal data in the Google database. It can save unnecessary personal information fields in its own database.

zkGATE is a login protocol that can be integrated by third-party applications. Only the information required by the application will be passed on to it, while other information is encrypted as zero-knowledge proof and stored in an NFT that serves as an access pass.

Third place ChainEye

ChainEye is a free and open-source tool for full-chain analysis. It aims to build the world's leading free and open-source full-chain analysis tool for Web3 retail investors. Users can use the tool to find interesting opportunities such as liquidity mining, trading and lending, non-fungible tokens (NFTs), airdrops, token monitoring, DAO governance, and more. We currently support Optimism, Starknet, Arbitrum, and zkSyncEra, and will add more layer-one and layer-two chains in the near future. To support the thriving ecosystem built on layer-one and layer-two, we also provide an RPC list as a courtesy to developers/users.

Fourth place: WASM Cairo

WASM-Cairo is a Webassembly-based Cairo runtime and development kit. WASM-Cairo is a Starknet L2 infrastructure developed based on Webassembly, which allows us to run any application written in Cairo anywhere (native, backend, and browser) - we can even run Kakarot zkEVM in the browser without any configuration or hardware/server requirements.

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