Marcio Barbosa

I'm a Solidity developer, also some knowledge and experience with Javascript, ReactJS, NextJS, Node, C e Cairo.

Projects

zk-mobile number verifier

Verify on chain accounts with off-chain phone numbers including area-wise segregation based on country codesSolidity, ethers.js, ZoKrates, Web3js, polygon-zkEVM, RSA-encrytion

Cairo SBTn

Soul Bound Tokens for NFTs (SBTn) are SBTs attached to a NFT item, instead of a wallet.Cairo, StarkNet

Experience

Self Employed - Lawyer
August 2013 - August 2018
Before joining the tech side, I worked as a lawyer in a sort of diverse fields in Brazil, mostly related to public rights suitcases.