This is your work, valued

Smart contract security educator and auditor building advanced Solidity courses and DeFi tooling at Cyfrin.

smart contract security auditingSolidity and blockchain educationDeFi primitives and protocolstransaction signing and wallet safetyEVM bytecode and low-level toolingformal verification and testing

inferred from the public footprint

Thu
Fri
Sat
Sun
Mon
Yesterday
Today
Active 6d ago
Boston

Patrick Collins

Top 11%
@PatrickAlphaC

Smart contract engineer and auditor creating hands-on blockchain learning projects. Built hardhat-erc20-fcc, hardhat-defi-fcc, and nextjs-nft-marketplace-thegraph-fcc to teach Web3 developers practical development patterns. 6792 stars across projects.

Security Frameworks. I built a shared security checklist for crypto and web teams.

89

Fund Me. I built a simple cryptocurrency fundraising website with HTML and JavaScript.

37

Hardhat ERC20. I made a tutorial for building Ethereum tokens from scratch.

37

NFT Demo. I built working code examples that teach how to create and mint NFTs.

36

Hardhat DeFi. I made a Solidity course project teaching how to build with Aave.

32

NFT Marketplace. I built an NFT marketplace website connected to live blockchain data.

36

Hardhat Simple Storage. I made a beginner-friendly smart contract project with Hardhat.

13

DAO Template. I built a DAO template with working voting examples.

18

Send Blob. I made a tool that sends large data chunks to the blockchain.

13

Graph NFT Marketplace. I built a data indexer for NFT marketplace smart contracts.

31

Just Use Local Safe. I built a tool for storing data safely on your own computer.

9

Flashloan Monitor. I built a bot that flags flash loans on blockchain protocols.

22

AI Stablecoin. I built a decentralized stablecoin pegged to the US dollar.

16

Transaction Lookup. I wrote scripts to pull all transactions from a blockchain address.

12

Hardhat Metamorphic Upgrades. I built a code example showing how metamorphic smart contracts upgrade themselves.

12

LensBlog. I built a decentralized blog where you can post and read articles.

42

Ape Fund Me. I built a Python tutorial for creating blockchain fundraising contracts.

8

Multicall. I built a simple tool that combines multiple blockchain requests into one.

17

Denver Security Challenges. I wrote a collection of buggy smart contracts for learning security.

17

Foundry Vyper. I built a package for writing Vyper contracts inside Foundry.

11

Hardhat Starter. I made a basic starter project for learning blockchain development.

6

MetaMask Connect. I made a minimal example connecting MetaMask wallets to Next.js websites.

26

Battle Game. I made a starter template for blockchain contract development.

11

Gas Comparisons. I built a comparison tool showing which blockchain languages are most efficient.

30

VRF Pizza. I made a pizza ordering website that uses blockchain randomness.

6

Weather NFT. I built NFTs that display real weather data from the blockchain.

25

Feeds NFT. I built a demo showing how to create NFTs that update based on live prices.

23

Filecoin Bridge. I built a bridge connecting smart contracts to Filecoin storage nodes.

9

Chainlink Hardhat. I built a smart contract testing setup using real blockchain data.

20

Aave Web3 Py. I built a Python tool to deposit, borrow, and repay loans on Aave.

40

IPFS Chainlink Bridge. I built a tool connecting IPFS storage to Ethereum smart contracts.

16

Storage Factory. I built a Solidity toolkit for managing blockchain data storage.

36

Fuzzing Example. I made a fuzzing example for smart contract testing.

10

Decentralized Raffle. I built a fair raffle system that runs on blockchain.

14

Clever Lottery. I built a fair lottery system that runs on blockchain.

6

GCP Weather. I built a guide to pull Google weather data into blockchain smart contracts.

6