Description
UniVoucher is a decentralized, open-source protocol that enables anyone, anywhere to create and redeem tangible crypto gift cards on-chain.
Purpose
UniVoucher transforms crypto gifting by breaking down barriers of traditional gift cards. Each card uses a simple Card ID + Secret format, making it easy to print, share, scan, or handwrite — perfect for both digital and physical gifting.
Key Features
- Fully Decentralized – No single point of failure or central database. All transactions settle on-chain with immutable, verifiable proof.
- Tangible Format – Simple Card ID and Secret string. Easy to gift physically or digitally without wallet addresses.
- Multi-Chain Support – Runs on Ethereum, Base, BNB Chain, Polygon, Arbitrum, Optimism, and Avalanche. Supports any ERC-20 token in any amount.
- No Signup Required – Simply connect a wallet and transact directly.
- Ecosystem & Integrations – Partner stores (G2A, Kinguin and more), a WooCommerce plugin for merchants, gasless redemption via Redeem Base, and wholesale distribution options.
Partner Revenue Models
- Integration Partners (wallets, exchanges, bridges) – 1% fee on every redemption transaction.
- Creation Partners (stores, plugins, retailers) – Set your own revenue fees on card creation.
Use Cases
- Gifting crypto to friends and family without requiring them to have a wallet address
- Businesses issuing branded crypto gift cards
- Merchants selling crypto gift cards via WooCommerce or partner marketplaces
- Wholesale distribution of crypto gift cards
Highlights
Pros
- Fully decentralized protocol with on-chain settlement — no central database, no signups, and no intermediaries controlling access to funds.
- Gasless redemption available through Redeem Base, removing transaction fees for card recipients.
- Tangible Card ID + Secret format enables physical and digital gifting without requiring recipients to have a wallet address at creation time.
- Multi-chain support across 7 EVM networks (Ethereum, Base, BNB Chain, Polygon, Arbitrum, Optimism, Avalanche) with any ERC-20 token in any amount.
- Smart contracts audited by SafetyBytes and Valves Security, earning a CertiK Security Score of AA (91.44) on Magic Square.
- Open-source codebase with a public API, WooCommerce plugin, and permissionless integration model — partners can set their own revenue fees.
Cons
- Requires a wallet and blockchain familiarity to create cards, potentially excluding mainstream gift-givers who expect a simpler checkout.
- No custodial fallback or customer support for individual card issues — the purely decentralized model leaves users solely responsible for secret management.
- Limited to EVM-compatible blockchains only, excluding non-EVM ecosystems like Bitcoin, Solana, and Cosmos.
- Early-stage adoption with modest ecosystem traction — ranked #360 in DeFi on DappRadar indicating a relatively small user base.
- Lost card secrets cannot be recovered by anyone including the UniVoucher team — funds remain permanently locked in the smart contract if misplaced.