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0xnexusflip/README.md

Hi, I'm nexusflip 😎

πŸ€” Who am I?

  • πŸ•΅πŸΏ Smart Contract/Fullstack Engineer with 10+ years of development experience and 2 years of Blockchain engineering experience.
  • ❀️‍πŸ”₯ My main development interest areas are Decentralized Finance Smart Contracts with a strong focus on Automated Market Maker design, as well as Smart Contract Security.
  • πŸ«‚ Assisted 3 different DeFi projects in reaching production launch, namely leading the Product/Engineering team at Poolshark Labs, and have been an active contributor in several other projects.
  • πŸ”Ž Currently assisting bera.buzz as a Smart Contract Engineer.
  • 🀝 I’m actively looking to collaborate on anything DeFi and security related. Let's keep it permissionless! My CV
  • πŸ“« Ask me anything! You can reach me at 0xnexusflip@gmail.com or via Telegram.

πŸ€“ The tech I use

  • Solidity
  • Foundry
  • Hardhat
  • Echidna
  • Slither/Slitherin
  • Rust
  • TypeScript/JavaScript
  • GraphQL
  • Next.js/React.js
  • HTML & Tailwind CSS
  • GraphQL
  • Viem
  • Wagmi
  • ethers.js
  • Zustand
  • Apollo Client

πŸ’» Some work you might know me for

🦈 Poolshark Protocol - A directional AMM with native liquidity primitives

  • Roles: Technical Lead, Fullstack Engineer, Lead Business Developer
  • Website: Poolshark Protocol
  • What I did: Led the Product Team, designed and developed the dapp, co-designed the specs for Cover Pools, contributed towards the smart contract scopes of Cover, Limit and Range Pools, ported Range Pools to Sway (a Rust-like language for the Fuel Network VM), created several math libs for concentrated liquidity AMMs in Sway
  • Dapp: Poolshark Dapp
  • Dapp Source Code: poolshark-interface
  • Sway Libs/Exeggutor AMM: libsway
  • Cover Pools: cover
  • Limit Pools: limit
  • Range Pools: range

🫠 Y2K Finance (now Fractality) - An ERC-4626 prediction market for pegged assets

  • Roles: Smart Contract Engineer
  • Website: Y2K Finance
  • What I did: Major contributions to the V1 and V2 iterations of the Earthquake smart contract scopes
  • Dapp: Y2K Finance Dapp
  • Source Code: Earthquake

πŸ” Coverage Labs - A web3 security firm

  • Roles: Security Researcher
  • What I did: Conducted two audits of the Hex One Protocol, a lending protocol on PulseChain using escrowed $HEX as collateral to mint $HEX1, a novel stablecoin
  • Website: Coverage Labs
  • Reviews I participated in: Hex One Protocol Audits

🐝 bera.buzz - A token launchpad leveraging customization and Proof of Liquidity

  • Roles: Smart Contract Engineer
  • Website/Dapp: bera.buzz
  • What I did: Refactored the exponential bonding curve and token deployment mechanisms within the smart contract scope for the project, designed and built several other features from the ground up, found and remediated several security vulnerabilities within scope

πŸŒ… New Order DAO - A decentralized incubator for Web3 projects

  • Roles: Integrations Engineer
  • What I did: Developed a Subgraph for 10+ token airdrop distribution data endpoints, as well as a CSV user reward data script in order to automate distribution
  • Website: New Order DAO
  • Source Code: venewo_rewards_subgraph

πŸ’Ή IVX Finance - An options protocol for zero-day options

  • Roles: Fullstack Engineer
  • Website: IVX Finance
  • What I did: Developed a high-performing TypeScript SDK to calculate option greeks as well as expected user financial returns. Also refactored their Subgraph iteration, as well as greatly assisting with adding functionalities to their dapp
  • Dapp: IVX Finance Dapp
  • Source Code: options_sdk

πŸ’― Major Accolades

  • 🦈 Led the Product team at Poolshark Protocol to a very successful launch, amassing 1MM+ in TVL in a bear market. Greatly optimized their in‑house processes, did major development contributions for their dapp and having heavy involvement with the protocol design and smart contract development for their Cover, Limit and Range Pool products, as well as raising over 900k in investments.
  • 🫠 Assisted Y2K Finance (now Fractality) with enabling major codebase optimizations and resolving 100+ bugs in the process, as well as creating an extensive testing suite to ensure security and helping with major code contributions to the smart contract scope of the V1 and V2 of the protocol; resulting in a 10MM TVL peak in the midst of a bear market.
  • πŸŒ… Automated airdrop distribution of NEWO to thousands of New Order DAO token holders, mitigating human interaction during said process.
  • πŸ’Ή Created a TypeScript options SDK to handle options greeks and financial returns math for IVX Finance for which all options related protocols can wrap around their respective SDKs. Added several co-dependent stack functionalities to their dapp and refactored their Subgraph to include 50+ needed datapoints.
  • πŸ” Found 50+ vulnerabilities and optimizations during two security audits of the Hex One Protocol with Coverage Labs - a security auditing firm - which greatly improved the projects' robustness. Ensured the robustness of the protocols’ invariants through enforcing two different Invariant Testing setups with Echidna stateful fuzzing which unveiled 10+ vulnerabilities.
  • 🐝 Refactored the core functionalities for the bera.buzz smart contract scope, namely the exponential bonding curve and token deployment mechanisms, as well as building several features from the ground up and greatly optimizing the scope by finding and resolving several security vulnerabilities

Pinned Loading

  1. Y2K-Finance/Earthquake Y2K-Finance/Earthquake Public

    Go 17 9

  2. poolshark-protocol/cover poolshark-protocol/cover Public

    A stop-loss liquidity pool to protect against directional risk.

    TypeScript 13 2

  3. libsway/concentrated-liquidity libsway/concentrated-liquidity Public

    A collection of libraries to be implemented for Automated Market Makers built in Sway.

    Rust 54 3

  4. poolshark-protocol/poolshark-interface poolshark-protocol/poolshark-interface Public

    TypeScript

  5. coveragelabs/2024-01-hex1 coveragelabs/2024-01-hex1 Public

    Solidity 1

  6. coveragelabs/2024-05-hex1 coveragelabs/2024-05-hex1 Public

    Solidity