UniVoucher
Decentralized Crypto Gift Cards for anyone, anywhere!
What is UniVoucher?
UniVoucher is a decentralized protocol that lets anyone create, send, and redeem crypto gift cards in the form of a card ID and secret, just like traditional gift cards, but fully on-chain. Unlike custodial crypto gift card systems that hold funds in their own wallets, UniVoucher is non-custodial, global, permissionless, and supports any token in any amount. It solves the problem of closed and limited gift card ecosystems by enabling instant onboarding for users, merchants, and even offline distributors, with no limits or approvals. People can use UniVoucher to gift crypto to friends, sell cards in local stores for cash, or integrate it into digital shops and apps as a simple value-transfer tool.
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Developer resources from Alchemy
A developer's guide to the web3 stack
The web3 stack in 2026, layer by layer: networks, infrastructure, smart contracts, wallets, frontends, storage, applications, and the new agentic layer.
How the edge layer powers faster RPC on Alchemy
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How PlayAI built the Zapier of onchain AI with smart wallets
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UniVoucher alternatives
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Lightning Network
Superfluid
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InFlow PayApp store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.
