12110+ Web3 Hackathon Projects

Discover blockchain projects from ETHGlobal, Encode, Chainlink and more

Blind Spot Auction

The Blind Auction of NFT Art on the Blockchain project is redefining standards in the NFT world, with a focus on addressing two critical issues: unwanted price gouging and biased valuation of digital artworks. It is ZK proof-based.

SolidityRust
Circuit Breaker โ€ข 2024

Blinks

Traditional onchain transactions have been locked away in apps or complex interfaces, making it significantly harder for people to use crypto products. With Blinks or blockchain links, transactions can open up to anywhere on the internet โ€” using Iframes.

๐Ÿ† Blockscout Explorer Big Pool Prize (Blockscout)๐Ÿ† Integrations, Research, and Experiments2nd place (Uniswap Foundation)๐Ÿ† Pool Prize: Build anything with Avail (Avail)๐Ÿ† User Onboarding Challenge: Simplifying Web3 Access on PolygonRunners - up (Polygon)
ETHGlobal Bangkok โ€ข 2024

Blinks on EVM

Blinks on EVM, enabling Blink transactions on EVM using the OKX Wallet

SolidityReactJavaScript+2 more
ETHGlobal Singapore โ€ข 2024

BlisterB

This project is for sneaker lovers and creators. Support and create a sneaker project using blockchain.

Solidity
Scaling Ethereum 2024 โ€ข 2024

BlitzSquad

Play, your favorite games , stream the action live, and place bets with confidence with BlitzSquad.

๐Ÿ† (๐Ÿฅˆ Huddle01 โ€” Best Use)๐Ÿ† (๐ŸŠโ€โ™‚๏ธ Polygon โ€” Pool Prize)๐Ÿ† (๐Ÿฅ‰ UMA & Across โ€” Best Use)
ETHGlobal Tokyo โ€ข 2024

BlitzTag

As a newcomer to Web3, building my first OnchainKit component application, BlitzTag, has been an incredible experience! ๐Ÿš€ BlitzTag leverages OnchainKit components like Identity, Transaction, and Wallet

๐Ÿ† OnchainKit Pool Prize (Coinbase Developer Platform)
ETHGlobal Bangkok โ€ข 2024

Blob Merger

Introducing a solution to optimize blob data usage on Ethereum, aligned with EIP-4844. As blobs maintain a fixed size, not every user fills the entire capacity. Our solution processes submitted blob data, crafting efficient blobs that maximize available space.

๐Ÿ† Pool Prize (Arbitrum)๐Ÿ† Best Use of SUAVE1st Place (Flashbots)
ETHGlobal Istanbul โ€ข 2024

BlobFusion

Ride sharing but for blobs. Make blobspace more affordable for everyone. by combining tiny blobs that don't fill a full EIP-4844 blob into one

ReactTypeScriptNext.js+1 more
๐Ÿ† Qualifying Arbitrum Submissions (Arbitrum)๐Ÿ† ๐Ÿ† Scaling Ethereum Finalist (ETHGlobal)
Scaling Ethereum 2024 โ€ข 2024

BlobMerger

Blob submission service to allow payments as per your data usage

๐Ÿ† Best appchain/rollup/project built with Avail DA (Avail)
Scaling Ethereum 2024 โ€ข 2024

BlobPreconf Auction

Sealed bid Auction SUAPP for blob preconfirming relay leader selection

Solidity
๐Ÿ† Maximal Extractable Value (MEV) innovations2nd place (Nethermind)
ETHGlobal London โ€ข 2024

BlobScriptions

Blob Scriptions allows users to inscribe fungible tokens to the 4844 blob space and transfer inscribed tokens. It's largely inspired by BRC20

๐Ÿ† ๐Ÿ† ETHGlobal London Finalist (ETHGlobal)
ETHGlobal London โ€ข 2024

Blobnouns

Blobnouns is the first-ever UI for sending a blob transaction. It allows users to generate a random Noun image and send it on-chain in a blob. This proof of concept aims to educate and inspire, showing that blobs can be used for much more than saving gas for roll-ups.

๐Ÿ† Best Public Goods3rd Place (Nouns DAO)
ETHGlobal Istanbul โ€ข 2024
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