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WAGS-PIENZA/README.md

Hi, I'm Wagner Risso 👋

I'm a Brazilian writer and entrepreneur, currently transitioning to Web3 development.
Founder of Pienza Tech, a startup building decentralized solutions for the equine market — combining blockchain with real-world assets and genetics.

My focus is on building secure applications on Ethereum, experimenting with multi-signature wallets, tokenized assets, and decentralized governance.

👨‍💻 About Me

  • 📍 Based in Florianópolis, Brazil
  • 🎸 Guitarist, passionate about culture and technology
  • 🧉 Big fan of mate, wine, coffee, and Bob Dylan

🔭 Current Milestone

  • Deploying and operating a Secure Multi-Signature Wallet on the Sepolia testnet
  • Building my developer portfolio on GitHub with real Web3 projects

🛠 Technology Stack

  • Languages: Solidity, JavaScript/TypeScript, Python
  • Tools: Hardhat, Foundry, Ethers.js, Safe Core SDK

🎯 Goals for 2025

  • Contribute to open-source projects on Ethereum
  • Develop production-ready smart contracts
  • Experiment with NFTs and on-chain governance for real-world assets
  • Advance Pienza Tech as a leader in decentralized equine solutions

🌐 Multi-Signature Wallet (testnet)

0x5374Db0DD724Dbb06a291a4a0E9D964BBd93EfBe

📫 Contact

Safe Multi-Signature Wallet — Exam Submission

This repository documents the deployment and operation of a Safe (multi-sig) wallet as required by the first exam.

✅ Deliverables

  • Network: Sepolia (testnet)
  • Safe Address: 0x5374Db0DD724Dbb06a291a4a0E9D964BBd93EfBe
  • Owners (signers):
    • Owner 1 — Your EOA (Metamask #1)
    • Owner 2 — Second EOA (Metamask #2 or a burner)
  • Threshold: 2 of 2

Rationale: 2/2 ensures no single key can move funds; both owners must approve.

🧪 Setup steps (finish multi-sig)

  1. Fund the Safe: send ~0.01 Sepolia ETH to the Safe.
  2. Add second owner: Settings → Owners → Add new owner → set new threshold = 2 → submit + execute.
  3. Proof: perform a 0.0001 ETH transfer requiring 2/2 confirmations (create → confirm → execute).

Proof to include

  • Screenshot: Owners page (2 owners + threshold 2).
  • Screenshot: Transaction with 2/2 confirmations.
  • Explorer link: executed tx on Sepolia.

📁 Structure

. ├── README.md ├── screenshots/ # add proof images here └── SAFE_DETAILS.md # owners & tx hashes

SAFE_DETAILS.md template

Network: Sepolia (testnet) Safe: 0x5374Db0DD724Dbb06a291a4a0E9D964BBd93EfBe

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