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Masashi-Ono0611/README.md

👋 Hi, I'm Masa

Full-Stack Builder & Multi-Chain Smart Contract Engineer
🥯 Founder & Core builder of Bagel Finance
🏆 Multi-time Global Hackathon Winner
⚡ Since 2017 in Crypto
🧠 Core Contributor to GBrain, Y Combinator CEO Garry Tan's AI second brain


🛠️ Portfolio & Achievements

Project Achievement Description Links
Bagel Finance 🥇 1st Place @ TON Bootcamp Bangkok DeFi for index-style portfolio investing on TON AppDetails
mira-harness 🥇 1st Place, Mira AI Track @ STON.fi Vibe Coding Hackathon Wave 2 A CLI + MCP dev-tool for communicating with @mira DetailsnpmGitHub
Opensource Orchestra 🥇 1st Place, ENS Track @ ETHGlobal 2025 New Delhi Giving-economy platform connecting Ethereum musicians and communities AppDemoGitHub
Jupiter Funds For Mike's Baby 🥇 1st Place, Jupiter Prize @ Clawathon Tokyo Edition Two AI agents debate Jupiter yield moves; user vote settles onchain on Solana DemoGitHub
Zen Scan 🥉 3rd Place @ TON x AWS Hackathon Mindful Blockchain Security on TON GitHub
PHR Onchain 🥉 3rd Place @ Tokyo Bowl Hackathon Bring Personal Health Record on-chain DemoGitHub
Ghost Yield 🚀 @ETHGlobal HackMoney 2026 Tokenize idle L2 compute, price via Uniswap v4, arbitrage via Yellow, settle in USDC. DemoGitHub
TonFusion 🚀 @ETHGlobal 2025 Unite DeFi Extending 1inch Fusion+ cross-chain swaps to TON Blockchain DemoGitHub
Toke Of App 🚀 @ETHOnline 2025 PayFi Payroll & Gifting with Multi-Wallet Distribution and Automation DemoGitHub
MagoHODL 🚀 @Base Japan Ogiri Hackathon dApp that locks crypto and passes to future generations GitHub
Bonsai to Earn 🚀 @Base Japan Vibe Coding Mini Hackathon Bonsai to Earn — a Base/Farcaster mini app GitHub
Hawk & Dove 🚀 @STON.fi Vibe Coding Hackathon Wave 1 Moltbook-style Agents Debate & Swap GitHub

🧠 What I Do

  • Blockchain / DeFi Engineering
    • Multi-chain smart contract development (EVM / TON / SUI / Bitcoin)
    • DeFi protocol design, vault development, and crypto payment automation
  • Full-stack Web Development
    • Production-ready frontend & backend
    • Cloud infrastructure, CI/CD, and database design
  • Shipping-focused Founder
    • Multi-time hackathon winner with live products and real users

🧩 Tech Stack

🔗 Blockchain & Smart Contracts

  • Multi-chain protocol & DeFi engineering — cross-chain bridges, atomic swaps (HTLC), vault architectures, and PayFi automation
  • Mainnet-deployed contracts across hackathon-winning products with real users

Supported Chains: EVM (Solidity)TON (FunC)SUI (Move)Bitcoin Script

EVM — Solidity, Foundry/Hardhat, PayFi & DeFi automation, cross-chain
  • Smart Contract Development
    • Solidity • Foundry & Hardhat development frameworks
  • PayFi & DeFi Automation
    • Multi-wallet distribution • Multi-strategy allocation • AAVE, Morpho Vault, Uniswap V2 integrations
    • Gelato automation integrations
  • Cross-Chain Extensions
    • Cross-chain bridge via Nexus Widgets
    • 1inch Fusion+ extensions to TON Blockchain
    • Hash Time-Locked Contracts (HTLC) for cross-chain atomic swaps
    • Front-running resistance via commit-reveal
TON — FunC contracts, Jetton, Blueprint, DEX integrations
  • FunC Smart Contracts
    • Two-layer vault architecture • Index token minting & redemption
    • Hash time-locked contracts with secret verification
  • Jetton Development
    • Multi-jetton basket reception • Off-chain monitoring with TON API
  • Infrastructure
    • TON payload & gas optimization • Omniston / DeDust / STON.fi integrations • Blueprint build/test/deploy
SUI — Move contracts, on-chain vaults, mainnet deployments
  • Move Smart Contracts
    • On-chain vaults with atomic rebalance • Multi-reserve lending strategies • Share-token accounting
  • Deployment
    • Verified mainnet deployments
Bitcoin Script — Legacy/Segwit/Taproot, UTXO, Bitcoin Core
  • Bitcoin Script Implementation
    • Legacy transactions (P2PKH, P2SH, multisig) • Segwit v0 (P2WPKH, P2WSH)
    • Taproot (P2TR, Schnorr signatures, TapTrees) • Signature hash evolution & flags
    • Transaction & script-level timelocks
  • Development Tools
    • UTXO management & raw transaction building • Bitcoin Core integration (TestShell, regtest)

🖥️ Frontend

Next.js • React • TypeScript • Tailwind CSS • GraphQL (Apollo)

⚙️ Backend & API

Go • NestJS • Fastify • Hasura (GraphQL) • Supabase • Prisma • PostgreSQL • MySQL • Redis

☁️ Infrastructure & Cloud

AWS • GCP • Azure • Docker • GitHub Actions CI/CD


🤝 Let's Connect

Always open for collaboration and open-source innovation.
Follow & contact me on X (Twitter)

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