Chainlink Spring 2023 Hackathon
2023-04-28..2023-06-24
-- online --
as the organisers put it
With 14,000+ registrants and nearly 500 project submissions, the Chainlink Spring 2023 Hackathon was a nexus for Web3 developers to learn, collaborate, and innovate.
| title | author | length |
|---|---|---|
| Opening Ceremony | 40m | |
Kickoff summarizes logistics and stakes: 11,500+ signups, $450,000 in prizes, participants from 200+ countries and ~72% newcomers to blockchain. Key dates… | ||
| Gearing up for the Hackathon | Harry Papacharissiou | 36m |
Three concrete rules: make everything public (or grant access), use Chainlink in some way to be eligible for the main prizes, and ship an MVP rather than a… | ||
| Introduction to Chainlink Trust Minimized Services | Frank Kong | 01h 44m |
Hands-on demo uses Remix and MetaMask for deploying consumer contracts and the Hardhat starter kit to send Chainlink Functions requests. Shows Price Feeds… | ||
| Intro to Hardhat | Andrej Rakic | 01h 12m |
Creates a TypeScript Hardhat project, compiles a SimpleStorage contract, and shows tests that assert owner-only access, state updates and emitted events using… | ||
| Intro to Foundry | Richard Gottleber | 31m |
Walks through installing Foundry, running Forge init to create a project, compiling with Forge build and running Forge test that includes a built‑in fuzz test… | ||
| Intro to Remix and Solidity | Solange Gueiros | 01h 14m |
Walks through creating a MetaMask wallet, grabbing 0.1 ETH and 20 LINK from Sepolia faucets, then using Remix IDE to write and deploy two Solidity 0.8.19… | ||
| Building synthetic assets using Truflation | Stefan Rust | 57m |
Trueflation publishes a real-time CPI with 12 categories and daily indices backed by ~10 years of history and 50–60 aggregated sources, claiming 18 million… | ||
| Using Chainlink services in your Web or Mobile Game | Richard Gottleber | 50m |
A playable Flappy Bird clone becomes a web3 demo that mints a dynamic ERC‑721 whose image and stored high score update on‑chain, assets hosted via Pinata +… | ||
| Building a DeFi App: Code along | Solange Gueiros | 01h 38m |
Live code builds a mintable ERC20 with two decimals using OpenZeppelin in Remix + MetaMask, deploys a token shop wired to Chainlink Price Feeds on Sepolia so… | ||
| Rate Products Workshop | Ben Biddle | 31m |
Three on-chain rate feeds are live on Sepolia (Bitcoin curve is also on mainnet) and are already reporting daily values via the Chainlink oracle network… | ||
| Intro to Flow | Andrea Muttoni | 59m |
Flow advertises itself as a layer‑1 that scales without sharding or mandatory L2s, using distinct execution vs consensus nodes to push heavy compute to beefy… | ||
| Workshop | Patrick Collins | 01h 00m |
Hands-on workshop that walks through an audit workflow: start with a test suite (Foundry example repo provided), run Slither static analysis to catch… | ||
| Writing your first smart contract in Cadence | Joshua Hannan | 55m |
Cadence on Flow uses resource-oriented programming with linear-type resources that live in user accounts (not a central ledger), so assets can’t be copied and… | ||
| Pulling data from AWS On-chain | Andrej Rakic | 01h 15m |
A working Hardhat project sends a vanilla JavaScript snippet to Chainlink Functions (beta) which signs AWS SigV4 requests to the AWS Currency Exchange API… | ||
| How to Market Your Startup to VCs | Tomer Friedman, Yosef Shaftal | 01h 01m |
Argues founders must commit 4–5 years and clear three concrete stages: sell to VCs, acquire/convert/retain users, then launch a token to the public. VCs want… | ||
| Building apps quickly on Ethereum | Austin Griffith | 01h 08m |
Shows building from template to live app: uses Scaffold‑ETH2 and Speed Run Ethereum patterns, edits a Solidity contract live, and deploys a simple staking… | ||
| Lens Protocol Workshop | Nader Dabit | 44m |
Builds a Next.js app that lists profiles and shows the last ~20 publications by using the lens SDK and the GraphQL-backed API with React hooks like… | ||
| Project troubleshooting Q&A | 54m | |
Live Q&A covers hackathon rules, submission checklist and concrete fixes: judges score on 5 judging criteria (UI/UX, technical depth, originality… | ||
| Hacker Stories With | Michael Nowotny | 41m |
Krypton builds a computationally heavy trading engine called Krypton compute that runs off-chain via Chainlink using an external adapter, Keepers and IPFS to… | ||
| Closing Ceremony | Richard Gottleber | 19m |
Almost 14,000 registrants and about 500 project submissions drive the scale of the event; many received Chainlink $500 top-quality prizes and AWS awards of… | ||
| StoryChain | Cem Ad | 04m |
A decentralized app named StoryChain wires Chainlink Functions to moderate every user prompt by calling the ChatGPT API and having oracle nodes reach a… | ||
| DataNFT for Dataset Licensing | Ricky Yuen, Fei Lin, Charles Cao | 04m |
DataNFT tokenizes datasets into NFTs and issues on-chain licenses using Chainlink Functions to verify asset ownership, post metadata to IPFS via multi-chain… | ||
| OTCNexus | Beniamino Daniele | 05m |
OTCNexus is a working peer to peer protocol that lets large holders buy or sell tokens on chain using fiat via PayPal and off‑chain oracle calls via Chainlink… | ||
| Vernari Protocol | Jon Gregis | 05m |
Vernari is a live prototype decentralized escrow that locks buyer funds in a Vault and uses Chainlink Functions to call Shippo via a JavaScript Lambda to check… | ||
| nothing matches | ||