PledgeChain
In DevelopmentA Web3 micro-crowdfunding platform where creators launch campaigns quickly, donors pledge USDC, and escrow logic enables secure fund claims or refunds.
Next.jsTypeScriptSolidityHardhat
Hedi Gardi
Bitcoin, Web3 & Fullstack Developer
I build secure TypeScript products at the intersection of Bitcoin, Web3, blockchain, and clean user experience.
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Focus
Building trustworthy software for Bitcoin and modern finance
- Security-first engineering for Bitcoin, blockchain, and Web3 applications.
- Clear UX for technically complex financial workflows and data.
- Fast fullstack delivery with maintainable TypeScript, React, and Next.js systems.
Portfolio
Selected projects
Decentratix
In DevelopmentA production-minded Web3 ticketing platform concept that combines capped secondary pricing, automated organizer royalties, and cryptographically signed dynamic QR verification to enhance fairness, transparency, and event-entry security.
ReactNext.jsTypeScriptSolidityWagmiHardhat
Receiptuary
LiveDigital receipt verification with browser-side hashing and web3-friendly validation flows.
Next.jsViemWagmiAccount Abstraction
BitcoinStart Nordics
LiveA practical education platform helping Nordic users understand and adopt Bitcoin with confidence.
Next.jsTypeScriptTailwindContentful
Block & Learn
LiveBlock & Learn delivers clear, honest education in Bitcoin, blockchain, and digital finance to help more people build financial freedom through knowledge.
Next.jsReactTypeScriptTailwind CSSShadCN UIGenkitLucide React
Voting DApp
LiveA transparent on-chain voting application with a clean UX and robust smart contract integration.
SolidityHardhatReactEthers
Lab
Local SHA-256 Hash Sandbox
This demo computes a file hash directly in your browser. No upload. No backend roundtrip.
Identity
Cryptographic Proof of Site Ownership
This message is signed and verified in your browser using an embedded public key.
Message: Official site assertion for hedigardi.com issued on 2026-05-25
Key fingerprint: BBWSXpO5FYnnoI...GjYtoDpI_o
Status: Idle