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I’m Porco, a solidity dev whose main interests are around DeFi, ZKP, and Account Abstraction.
Tech Stacks: Solidity, NodeJS, Typescript, React, and Noir ( + learning Rust ).

Projects

  • Obsidion Wallet: A smart account that allows users to sign transactions with TouchID and interact with privacy-preserving apps and protocols on Aztec zk-rollup. It integrates zkPassport to provide first-class identity management in the wallet, which can be utilizied for compliance and other various use cases requiring sybil-resistance. A grantee of the Wallet RFGP by Aztec Labs.

Past commitments

2024

  • Aztec Mobile Wallet{Dry}: A mobile wallet on Aztec Network that allows users to control their wallet with Face ID/TouchID-based keypair secured by the iPhone’s Secure Enclave. It lets them privately hold, send, and receive assets and interact with privacy-preserving applications. Got the third place of winners at Aztec’s Alpha Build 1.

  • Dry : A private seedless smart account based on Safe and ERC7579, that allows owners to sign transactions with FaceID by providing zero-knowledge proofs using Noir. Built at ETHGlobal Brussels and got prizes from Safe, Scroll, and Polygon.

  • BatcherVault: It allows users to obfuscate their swap amounts when they trade on AMMs on Aztec zk-rollup. It leverages an additive homomorphic encryption scheme to encrypt and aggregate users’ input amounts without revealing individual amounts. Got top prize from Aztec at Alpha DEX BUILD hackathon.

  • Banganoir: An ERC4337 Wallet controlled by Aadhaar identity, which integrates OTP powered by Noir to provide an additional layer of security for your funds. Got a prize from AnonAadhaar.

  • Numer0n: A number-guessing game, like Hit&Blow, built on Aztec Sandbox, where two players play against each other and try to figure out the opponent’s secret number. The secret numbers are privately stored in smart contrcat on Aztec.

2023

  • SafeRecover: A Safe module used for recovering ownership of Safe account with various zk-powered recovery methods, such as private backup address, zkTouchID, social recovery with private guardians, and secret word. The product is still under development as one of the Safe Grant Wave I grantees.

  • AztecSnap: A MetaMask Snap that works on Aztec, a privacy first zk-rollup on Ethereum. It’s a smart contract wallet that supports ECDSA signature and enables private calls to any Aztec contract. Won the sponsor prize from Aztec at ETH Global Istanbul.

  • GhostPay at ETH Rome: GhostPay lets anyone privately send and receive crypto with a URL link. Plus, users can receive/claim crypto in any tokens they prefer. Got the first prizes from Peanut Protocol and Railgun.

  • AnonAA at ETHPrague: ERC4337-based social recovery wallet that implements private guardians and two other privacy-preserving features with Noir ZKP, which got prizes from Ethereum Foundation (ERC4337) and Scroll.

  • HyperBOB at ETHGlobal Tokyo: an ERC4337 wallet with cross-chain private transfer. Won the sponsor prizes from zkBOB, Hyperlane and Polygon.

  • Bye Bye Private Key at ETHGlobal Scaling Ethereum: fingerprint transaction signing feature for AA wallet on zkSync. Won the sponsor prizes from zkSync and Optimism.

  • Account Trade Limit at zkSync Era Hack0: AA wallet with traiding limit feature on zkSync. Won the first prize in Account Abstraction & Security.

  • The daily spending limit tutorial for zkSync Gitcoin bounty: I created an AA wallet with the daily spending limit feature and its tutorial documentation.

2022

2021

Blog Posts

Links/Contacts

  • Github
  • Twitter
  • Discord: porco_rosso_j
  • Telegram: @porco_rosso_j
  • Mail: porcorossoj89@gmail.com