My Work

At a Glance

Current

Sigma Prime

Currently employed at Sigma Prime.

• Security reviews of major blockchains and DeFi protocols (Paradigm, Chainlink, and API3 to name a few)

  • Reth

• Lighthouse development

  • Implemented the API that allows relayers to protect themselves from MEV unbundling attacks (à la Low Carb Crusader)

• DHT crawling research and development (TBA)

• Security consulting and incident response with major relayers in the PBS pipeline

  • Ultrasound
  • BloXroute

• Community engagement

  • Presented at Sozu Haus Australia (slides)

OSS Volunteer Work

• Implemented byte-tracking for EVM memory semantics in Heimdall

Previous

• Brief stint at a crypto prop trading firm (all closed-source)
  • Contributed to development of in-house Rust execution engine for atomic arbitrage
    • Supported major DEXes (Uniswap V2, Uniswap V3, Balancer V2, GMX, Aave, etc.)
    • Flashloan-capable
    • Supported both mempool and Flashbots execution
  • Implemented a Rust SDK for the Hashflow market maker API
  • Code review and implementation of Python-language latency-insensitive trading bots
  • Analysed and documented competitor strategies on Mainnet as well as Arbitrum (some cross-chain)
• Core developer (and early employee) at the first perpetual swaps protocols to deploy natively to Arbitrum
  • Internal liason for all security audit firms we engaged (Sigma Prime, Runtime Verification, Secureum, and Spearbit)
  • Implementation of core protocol designs in Solidity
  • Designed and implemented an offchain order matching engine in Rust
  • Mentored multiple rounds of interns in Ethereum protocol research and education
• Completed undergraduate studies: a BCompSc(Cybersecurity) from UQ
  • Included a blockchain-specific course
    • Presented on the ILF symbex fuzzer (slides)
    • Final paper was a review of DEX security at the time (paper)

Specifics

1. Lighthouse
2. Private Projects
3. Ancient History
4. Volunteer Contributions