Jordi Baylina
Zug, Switzerland
Summary
🤩
RockstarJordi Baylina is a veteran blockchain engineer and serial founder with 12 years of deep hands-on experience building and securing smart contract ecosystems from token standards to zk-proof infrastructure. He has led technical teams at iden3 and Polygon Hermez, driven pioneering smart contract work through Giveth and WHG, and founded multiple companies while teaching blockchain at Universitat Politècnica de Catalunya. His open-source contributions span critical zk and crypto projects—implementing zkSNARK math, Circom circuits, Pedersen hashing and migrating a C++ zkEVM prover—demonstrating rare low-level cryptography and systems expertise. Comfortable shifting between product, audit and research roles, he combines an MBA-driven business perspective with decades of engineering leadership and a track record of rescuing and hardening high-value on-chain assets.
12 years of coding experience
Stackoverflow
4,558reputation
2.5mreached
40answers
11questions
sql
top-5%
mysql
top-5%
psql
top-5%
postgresql
top-5%
Github Skills (44)
javascript10
c-language10
solidity10
trie10
testing10
evm10
proofs10
typescript10
proof10
circom10
ethereum10
cryptography10
typescript-types10
zk10
zkp10
Programming languages (16)
Github contributions (5)
Giveth/minime
Nov 2016 - Dec 2017
Minimi Token. ERC20 compatible clonable token
Role in this project:
Back-end Developer
Back-end DeveloperContributions:76 commits, 28 PRs, 55 pushes in 1 year 1 month
Contributions summary:Jordi primarily worked on the core logic of the MiniMeToken contract. They added comments, fixed comment errors, and refactored the code to improve its structure. Furthermore, the user removed `constant` specifiers from the `generateTokens` and `destroyTokens` functions. These changes improved the token's functionality and maintainability.
erc20-tokenethereumtokenerc20clonable
iden3/snarkjs
Aug 2018 - Sep 2022
zkSNARK implementation in JavaScript & WASM
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 411 commits, 75 PRs in 4 years 1 month
Contributions summary:Jordi appears to have worked on setting up the zkSNARK implementation in JavaScript & WASM project. The commits focus on implementing parts of the snarks and associated code differences in setup and prover files. The user implemented the functionality of Lagrange Polinomials calculations and its integration to other components.
javascriptblockchainwebassemblyzksnarkwasm
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