What I do:
- Build things I like; Smart contracts, ZK, tools, infra (See Open source work below).
- Member of Optimism Developer Advisory Board.
- ZK & Smart contract auditor.
Reach out for audit and development work at the bird app
@blockdeveth.
Contest Judging
2025
- Aligned Layer Cantina ZKP verification layer on EigenLayer, $100K contest pot. 📜
2024
- Succint SP1 Cantina Plonky3 based zkVM, $110K contest pot. 📜
Audits (public)
2026
- Plasma One Sherlock DeFi Plasma's crypto card
- Zex Finance Sherlock DeFi Hybrid exchange solving the DEX–CEX trade-off
- Veil Cash Sherlock ZK contracts Contracts for private transfers 📜
- Babylon Sherlock Cryptography BaBe (Verifying Proofs on Bitcoin Made 1000x Cheaper) Rust impl
2025
- Megaeth Sherlock L2 Infra memory-efficient authenticated KV store for blockchain state Sherlock
- Mantle Sherlock L2 Infra EigenDA and OP-geth fork in Go and Rust
- Sprinter DeFi Solidity contracts that facilitate Sprinter Liquidity logic 📜
- Fastlane Atlas AA Execution abstraction protocol for the EVM 📜
- ODX Labs DeFi Minting platform. 📜
- Matter Labs ZK Elliptic curve precompiles in ZK. 📜
- Espresso Cryptography Merkle tree library focused on ZKP and BLS signature. 📜
- Megapot DeFi Lottery. 📜 📜
2024
- Hyperware Web3 operating system. 📜
- Balmy DeFi Guardian secured DeFi earning. 📜
- Clave AA Email recovery using zk-email. 📜
- Coinbase DeFi Wrapped tokens. 📜
- Biconomy/rhinestones-smartsessions AA Module for ERC-7579 compatible smart accountsfor granular control over session keys. 📜 📜
- Biconomy Nexus AA ERC-7579 Modular Smart Account. 📜
- Clave Ztake DeFi Staking contract 📜
- Fastlane Atlas AA Execution abstraction protocol for the EVM 📜
- Semaphore PSE ZK Signaling through group membership. 📜
- Clave-1 Spearbit AA Passkey Validator. 📜
- Blast Spearbit L2 Infra OP-fork with native yield. 📜
- Axiom-2 Spearbit ZK Coprocessor.
- ZKP2P-1 PSE ZK Fiat on and off-ramp removing trust on the party you are transacting against. Built on Email wallet.
- Anon Aadhar PSE ZK Prove properties based on Aadhar card (Indian ID) without revealing its content.
- SAP Spearbit NFT Event registeration through NFT.
2023
- ZKP2P PSE ZK Fiat on and off-ramp removing trust on the party you are transacting against. Built on Email wallet.
- Email Wallet PSE ZK Wallet controlled by email with content verification onchain.
- Rate limiting nullifier PSE ZK A mindblowing way to prevent spam on a network. 📜
- Polygon zkEVM Spearbit ZK Fast prover (STARK) & verifier (SNARK). 📜
- PLUME PSE ZK Verifiably Deterministic Signatures on ECDSA. 📜
- Axiom-1 Spearbit Gas optimization audit.
- Coinbase Spearbit AA Smart Contract Wallet. 📜
- Alchemy-1 Spearbit AA Smart Contract Wallet. 📜
- Clave Spearbit AA Smart Contract Wallet. 📜
- Axiom Spearbit ZK Coprocessor.
- Alchemy Spearbit AA Smart Contract Wallet.
- Fun Solo AA Smart Contract Wallet. 📜
- Astaria-1 Spearbit NFT-fi NFT lending protocol. 📜
- Bunni Oracle yAudit DeFi price oracle for Bunni tokens & Uniswap v3 LP positions. 📜
- Vmex yAudit DeFi Aave v2 fork introducing tranches for risk isolation. 📜
- LI.FI-1 Spearbit Bridge Bridge aggregator. 📜
2022
Talks
- Tips for safe Circom circuits 🎙 📜, Tweets: [1] [2]
- ZK high-level primer at muAccra 📜.
Open source work
Writings