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UniVoucher

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About UniVoucher

UniVoucher is the world's first fully decentralized crypto gift card protocol, revolutionizing digital gifting by seamlessly enabling anyone, anywhere to gift any token, in any amount. Powered by cutting-edge blockchain technology, it breaks down the barriers of traditional crypto gift cards, offering unmatched flexibility, security, and global reach. Decentralized No single point of failure or central database. All transactions settle on‑chain with immutable, verifiable proof. Tangible Simple Card ID + Secret format. Easy to print, share, scan, or handwrite. perfect for digital and physical gifting. Global Borderless issuance and redemption. Reach anyone, anywhere, any time. No signup required; just connect your wallet and transact. Multi‑Chain Seamless support across the major EVM chains. Supports any ERC‑20 token in any amount with unlimited

UniVoucher is the world’s first fully decentralized crypto gift card protocol, allowing anyone to create and redeem tangible cryptocurrency gift cards across major EVM-compatible blockchains. Built for flexibility and accessibility, UniVoucher makes it possible to gift crypto without needing the recipient to even have a wallet at the time of creation.


Operating without accounts, KYC, or custodial control, UniVoucher is trustless by design. With just a Card ID and Card Secret, users can send, print, or hand-deliver tokenized crypto gift cards with full on-chain verification. This opens a completely new channel for personal, business, and merchant crypto distribution across borders.

UniVoucher is pioneering a new category within decentralized finance: tangible crypto gift cards that combine the utility of blockchain with the simplicity of real-world gifting. Unlike traditional crypto transfers that require wallet addresses and blockchain knowledge, UniVoucher introduces a format that feels natural—enter a card code, get crypto. This approach is especially valuable in retail, B2B marketing, and onboarding Web2 users into Web3.


The platform supports a wide range of networks including Ethereum, BNB Chain, Polygon, Arbitrum, Optimism, Avalanche, and Base. Any ERC-20 token—including USDT, USDC, or even custom tokens—can be turned into a gift card. The system is completely permissionless, with no limits on card amounts, no account creation, and no centralized storage. All gift cards are secured via cryptographically generated secrets, and cannot be recovered if lost—ensuring total decentralization.


Beyond gifting, UniVoucher offers a full-fledged ecosystem including plugin integrations (e.g., WooCommerce), card analytics, developer tools, smart contract APIs, and audit-backed infrastructure by SafetyBytes. The protocol’s architecture allows merchants, marketplaces, and communities to implement new token distribution models such as couponing, event rewards, or digital vouchers with minimal friction.


Competitors like CoinGate, Bitrefill, or Crypto.com Gift Cards focus on fiat-based gift card redemption. In contrast, UniVoucher is blockchain-native, non-custodial, and doesn't rely on external providers or legacy payment infrastructure—making it the first true crypto gift card protocol with smart contract execution.

UniVoucher offers powerful features that redefine the concept of digital gifting in the crypto space:


  • Truly Decentralized: No accounts, no KYC, no centralized control. All card data and balances live entirely on-chain.
  • Multi-Chain Support: Compatible with Ethereum, BNB Chain, Polygon, Arbitrum, Optimism, Avalanche, and Base.
  • ERC-20 Token Support: Use native tokens or any ERC-20 custom token by entering the contract address.
  • Gasless Redemption: Users can redeem cards without paying gas fees through specialized redemption endpoints.
  • Tangible Format: Cards can be printed or shared as simple text codes, perfect for offline or real-world gifting.
  • Card Management Tools: Bulk create, cancel, and monitor card status directly in the "MyCards" dashboard.
  • Merchant Plugins: WooCommerce integration allows any store to accept or sell UniVoucher gift cards.
  • Audited & Open Source: Contracts audited by SafetyBytes and available on verified explorers.

Getting started with UniVoucher is quick, secure, and fully decentralized:


  • Visit: Go to univoucher.com and click "Connect Wallet" to begin.
  • Create Gift Card: Choose your network, token, amount, quantity, and optional public message.
  • Confirm Transaction: Submit your card creation with a 1% fee and gas fee for blockchain settlement.
  • Save Your Secret: Each card is protected by a unique 20-character card secret. Save it securely—if lost, the funds are unrecoverable.
  • Redeem: Recipients can visit univoucher.com, enter the card ID and secret, and connect their wallet to claim tokens.
  • Cancel Unused Cards: As a card creator, you can cancel any unredeemed card and reclaim the funds.
  • Explore Integrations: Use the WooCommerce plugin or public API to integrate UniVoucher into your platform.
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UniVoucher FAQ

  • UniVoucher transforms crypto gifting by allowing users to create redeemable gift cards instead of direct transfers. Unlike standard transactions that require a recipient wallet upfront, UniVoucher issues a card with a unique Card ID and Card Secret. This lets anyone send crypto without the recipient needing a wallet until redemption—ideal for onboarding new users or sending crypto as a physical or digital gift.

  • UniVoucher is completely non-custodial. All funds are held securely in smart contracts deployed on supported blockchains, and only the correct card secret allows redemption. The UniVoucher team has zero access to user funds. Card creation, cancellation, and redemption are handled directly by on-chain logic, ensuring complete decentralization and transparency.

  • If you lose the card secret, the card cannot be redeemed by anyone—including the creator or the UniVoucher team. However, creators retain the ability to cancel unredeemed cards to recover funds. Since card secrets are cryptographically generated and never stored on the blockchain, they are impossible to recover if lost, reinforcing UniVoucher’s decentralized security model.

  • UniVoucher supports all major EVM-compatible blockchains, including Ethereum, BNB Chain, Polygon, Arbitrum, Optimism, Avalanche, and Base. You can create gift cards using any ERC-20 token, such as ETH, BNB, AVAX, USDT, USDC, or even custom tokens by adding their contract address directly through univoucher.com.

  • Developers can easily integrate UniVoucher using its public API and WooCommerce plugin. Integration partners like wallets, exchanges, and payment gateways can enable card redemption with a 1% partner fee per transaction, while creation partners can set their own fees. Detailed documentation and API examples are available on univoucher.com under the Developer Resources section.

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