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Check out the projects created at past events

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Airdropper for GitHub Contributors

Airdropper for Github contributors is a SuperFluid-based dApp that simplifies reward distribution for open-source developers. With 2 UIs for admins & developers, it ensures fairness, transparency & incentivizes more contributions.

ETHGlobal Tokyo

BrainWallet2.0

In an age when seed phrases are routinely being phished from unsuspecting users or getting lost outright and forgotten, the necessity for a seedless self-custodial wallet is becoming apparent. By improving upon the unknown Brain Wallet concept, we aim to bring Web3 to everyone.

ETHGlobal Tokyo

Tanuki

Tanuki is a trustless wallet scoring protocol. It uses ZKP’s to trustlessly read historical on-chain activity to calculate wallet scores. Wallet scores are modular enabling use cases like paymasters with loyalty-based subsidies and lending protocols with variable rates.

ETHGlobal Tokyo

engagement ring contract

I created a dapp that allows you to submit a marriage certificate to a meta-state without having to register the marriage certificate with the real state. This allows people from countries where same-sex marriage is not recognized to register their marriages in the meta-state.

ETHGlobal Tokyo

4esee

Prediction platform for future events built on Mina using SnarkyJS

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OmniSwap

Revolutionizing NFT Trading with Layerzero + L2 Cross-Chain Matchmaking

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Zk3 Alpha

Create and Embed zkProofs into Lens posts, use the proofs to moderate the govern interactions with your content.

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Blockreview

Blockreview is an on-chain review system to promote trust & transparency among the web3 community.

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Asguard

Asguard provides the most secure and easiest way to onboard users to DApps or Wallets and ensures that they never have to worry about losing access to their wallet in unfortunate events.

ETHGlobal Tokyo

Fluid Sense

Decentralized Advertising for Humans targeted to web2 and web3 users

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Myna

Browser wallet for Japanese residents that lets them use their government issued ID (My Number Card) as a hardware wallet.

ETHGlobal Tokyo

Memento

Memento lets your loved ones recover your account without using a wallet, a centralized guardian or paying gas. Create Mementos, save lives.

ETHGlobal Tokyo

HackathonAttestation

- Empowering Sustainable Development with Attestation-based Donations. Our hackathon proposal involves creating a product that allows post-hackathon projects to receive donations from potential future users, based on attestations from sponsors.

ETHGlobal Tokyo

IDQ |Soul Wallet

Unique and secure IoT hardware that allows enterprise companies to customizable. Web 3 Wallet and DIDs and connects data to all.

ETHGlobal Tokyo

ZKAFI

A zero-knowledge Real World Asset (RWA) lending protocol. Use Credentials and private collaterals to borrow money in web3 world.

ETHGlobal Tokyo

Pay3

Pay3 is a smart contract based subscription payment system. User can start and stop the subscription easily. Service provider can use this system only deploying contract this.

ETHGlobal Tokyo

OkiScan

A mobile-optimized Ethereum blockchain explorer with AI-assisted contract search, prioritized Read/Write methods, and an on-chain watchlist.

ETHGlobal Tokyo

Sciemurai Donations 🥷

a decentralized platform that helps scientists, students, professors, institutions, philanthropists, and people to protect their intellectual ideas through a decentralized and transparent way using blockchain technology to document research paper journeys from start to finish.

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onChallenge

Introducing a gasless and endless donation platform for web3 enthusiasts looking to make a positive impact. With our user-friendly interface, you can donate to those in need without worrying about gas fees. Join us in sharing the wealth and making changes today.

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LFGroup

LensTalk is a smart chat tool based on Lens relationships, it allows users to interact with each other through chat based on Lens.

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DeFi Anime

Animation of a Uniswap V3 USDC/WETH pool over different time periods

ETHGlobal Tokyo
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SafePanicModules

perform emergency functions on your multisig safe without needing all signers

ETHGlobal Tokyo
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Mastaa

How to make new users come to your platform? Especially if they know nothing about web3? With Mastaa, we offer a simple and modulable paymaster to help you facilitate the onboarding of new users and 100% adaptable to your needs, using ERC-2535 Diamonds proxy implementation.

ETHGlobal Tokyo
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tips-works

Tips-Work is a fully anonymous web3-based crowdsourcing platform. It allows for a world where factors like gender, age, and background are fairly assessed without being visible.

ETHGlobal Tokyo
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snarkyjs-img

A cutting-edge SnarkyJS library for secure image verification using zero-knowledge proofs! Preserve privacy & trust in HD images with our efficient zk-img inspired solution. Verify authenticity, fight deepfakes!

ETHGlobal Tokyo
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Web322

Tamper-proof Web2 data sourcing on the blockchain without relying on costly repeated API calls. Web322 allows for public verification that the call was sent to the right server, harnessing HTTPS’s enncrypted traffic to prevent tampering from bad actors.

ETHGlobal Tokyo
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Easy NFT

The easiest way to mint an NFT. No need for wallet or gas! Help bring the next million into crypto.

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DeedHub

NFT loan marketplace and aggregator designed for advanced users and traders

ETHGlobal Tokyo
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3TREE

Send and receive token via SNS-id. Integrate your Identities.

ETHGlobal Tokyo
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ChatGroupWallet

Using the chat function of the push protocol, create a group chat and then create a new wallet for the group.

ETHGlobal Tokyo
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PolyDraw

A decentralized and transparent platform for fair product lotteries, featuring physical items on the blockchain. Powered by Web3, Polygon ID, Chainlink VRF, and smart contracts. #blockchain #lottery #fairness #physicalproducts

ETHGlobal Tokyo
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Dumpling Farm

Democratising financial freedom by bringing web3 lending to web2 borrowers

ETHGlobal Tokyo
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GPTutor (🤖,🤖)

A VS Code extension for smart contract development, including "tutor", "audit" features and a efficient preprocessing system

ETHGlobal Tokyo