ERC-20 staking vault with streaming rewards, gasless staking via permit and UUPS upgradeable contracts

I audited the code from this github repo: foundry-defi-stablecoin-f23. Just for practice and experience.

Fast-Check example repo, in prep for a talk on property testing (aka invariant testing)

Three-contract marketplace system in Solidity / Foundry - accounting invariants verified by handler-based fuzz, MarketPlace with BPS fees / VIP tiers / promo codes / pull payments, Slither in workflow.

Shariah-compliant DeFi protocol — on-chain JHD effort units, ADS vulnerability discovery, Takaful Buffer | World's first Islamic finance invariant enforcement

🪙 MDSC: USD-pegged decentralized stablecoin built in Vyper (DSCEngine + Chainlink-style oracles) with 80%+ unit + fuzz/invariant test coverage. Deployed on zkSync Sepolia.

Runtime testing harness for MCP servers: fuzz tools, validate schemas, run YAML invariants and multi-step sequences, ship SARIF to CI. 17 embedded packs · stdio + HTTP · 5 install paths.

Deterministic EVM execution firewall for Safe treasuries. I built this immutable core and timelocked adapter architecture to enforce strict state transitions and scale institutional-grade security through executable mathematics and heavy invariant fuzzing.

NFT marketplace built with Solidity & Foundry, featuring unit, fuzz, and invariant testing.

A Solidity crowdfunding smart contract built with Foundry, featuring unit, fuzz, and invariant testing.

Solidity smart contract testing patterns using Foundry: unit, integration, fork, fuzz and invariant testing.

Modular DeFi lending protocol with ERC4626 vaults, indexed debt accounting, liquidation mechanics, oracle safety, and invariant-tested solvency.

Minimal constant-product AMM in Solidity — documented invariants, Foundry fuzz + stateful invariant tests

This is considered an Exogenous, Decentralized, Anchored (pegged), Crypto Collateralized low volatility coin.

A Solidity SimpleBank contract with handler-based invariant testing, fuzzing, and adversarial scenarios using Foundry.

Foundry workspace with three contracts and a full test suite covering unit, fuzz, and stateful invariant testing with a handler.

Protocol-level ERC20 built from scratch in Solidity using Foundry. Includes unit tests, fuzzing, invariant testing and gas optimizations.

A DeFi project to allow users to mint and burn stablecoin by depositing and redeeming collateral, including health factor and liquidation mechanism to incentivize protocol solvency.

An overcollateralized stablecoin using Chainlink price oracles. Includes Foundry-based unit, fuzz, and invariant test suites, mocks for local runs, and deployment scripts for local and Sepolia networks.