Solidity

A contract-oriented programming language for writing smart contracts on Ethereum.

Solidity is a statically-typed, contract-oriented programming language for implementing smart contracts on Ethereum and EVM-compatible blockchains.

It features contract inheritance, libraries, user-defined types, and event emissions with security practices like access controls and gas optimization.

Experience:

Implemented Gnosis auction Solidity contracts for BitLauncher on EOS EVM, enabling transparent batch auctions with uniform pricing.

Developed type-safe smart contracts for Opyn's decentralized options protocol on Arbitrum Testnet using Solidity and Foundry.

Created secure token contracts for Knowledge.io's successful ICO in 2018, focusing on security best practices.

Built BasilicEVM's core contract templates and integration patterns to streamline EVM application development.

Designed and implemented NFT contracts for RareMint, enabling fractional ownership of authenticated sports collectibles on Polygon.

Opyn

Opyn is a decentralized options protocol on Arbitrum that raised $6.7M Series A funding led by Paradigm. Their main product Squeeth is a notable DeFi-native derivative. I implemented their initial trading interface and data indexing setup for Arbitrum Testnet using Next.js, Ponder, and viem/wagmi.

bitlauncher

BitLauncher is an AI and crypto launchpad platform that provides early access to promising AI unicorn startups through token sales and auctions. It features a batch auction system for token sales, ensuring fair and transparent price discovery. Participants bid during a fixed period, and tokens are distributed at a uniform price, eliminating manipulation and ensuring equal opportunities for all investors.

Knowledge.io

Knowledge.io was one of the first blockchain platforms aimed at knowledge-sharing with a token-based reward system. The project successfully completed its ICO in 2018, raising funds to build a decentralized knowledge ecosystem that included partnerships with advertising networks to monetize user expertise. My role at Knowledge included leading the architecture of the Ethereum-based token and supporting systems for their successful ICO, and forming a skilled development team across three countries.

AsoBlockchain

AsoBlockchain, founded in 2017, is Costa Rica's first and leading non-profit blockchain association. The organization has trained over 1000 developers, partnered with major universities like ULACIT and ADEN Business School, and played a key role in shaping national cryptocurrency regulations through collaboration with the Central Bank and other regulatory bodies. Through initiatives like TicoBlockchain conference and CriptoCantina, it has become the primary driver of blockchain adoption in Central America.

CryptoCantinaCR

CryptoCantinaCR, established in September 2018, became Costa Rica's most influential blockchain community with over 500 regular participants and recognition from national media outlets like La Nación and El Financiero. What began as informal Thursday meetups has evolved into a formal educational initiative under CriptoCantina.org, which has trained hundreds of developers and influenced national cryptocurrency policy through engagement with government officials and regulators.