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  • Brazil

Achievements

Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull Shark

Achievements

Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull Shark

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leticarolina/README.md

Ola, I'm Leticia

Blockchain developer building security-focused smart contracts on EVM. Based in Brazil, building globally.

🏆 1st Place — Monad Hackathon 2026 with LockFi

What I build:

  • Security protocols & smart vaults
  • DeFi primitives — stablecoins, collateral systems, AMMs
  • Identity-gated contracts using World ID
  • Full-stack dApps with React frontends

Current stack: Solidity · Foundry · OpenZeppelin · Chainlink Oracles · ERCs · wagmi · ethers.js · React

Deployed contracts: → github.com/leticarolina/contracts-deployed

Find me:

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  1. lock-fi lock-fi Public

    Smart vault with behavioral risk detection for suspicious withdrawals 🏆 1st Place, Monad Hackathon

    Solidity 1

  2. worldid-humanbond-protocol worldid-humanbond-protocol Public

    On-chain bonding system that uses zk human verification to allow 2 WorldID individuals to form a Bond, mint proof of bond NFTs and earn TIME token daily as a representation of their partnership lon…

    Solidity 1

  3. defi-stablecoin defi-stablecoin Public

    A fully on-chain stablecoin protocol that lets users mint AZD ($1) by depositing ETH or BTC collateral. Features real-time health factor logic, liquidation mechanics, and Chainlink price feeds.

    Solidity 1

  4. contracts-deployed contracts-deployed Public

    Smart contracts I deployed.