Dapp store Bitcoin Web3 wallet tools Web3 payment tools

Quppy

Web3 payment tools

Quppy

Quppy is a crypto-and-fiat banking app that combines a multi-currency wallet, virtual EUR/GBP IBAN accounts, and a SEPA-connected debit card.

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What is Quppy?

Quppy lets individuals and businesses hold, exchange, and send both crypto and fiat from a single mobile app. Users can fund a EUR or GBP virtual IBAN, swap between USDT, BTC, ETH, and other supported assets, settle SEPA transfers, and pay with a virtual card. An AML bot and business API extend the platform to merchants and compliance teams that need onchain screening.

Sponsor gas and bundle user ops in your app or on your chain

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Developer resources from Alchemy

What is a multi-party computation (MPC) wallet? The complete developer guide

Overview

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What is a multi-party computation (MPC) wallet? The complete developer guide

Deep dive into MPC wallets and modern crypto security through distributed private key technology.

Tempo Testnet is live on Alchemy: the payments-native blockchain

Blog

Partnership

Tempo Testnet is live on Alchemy: the payments-native blockchain

Tempo is a Layer 1 blockchain built specifically for institutional payments and stablecoins, featuring payment-optimized infrastructure, native account abstraction, and sub-second finality with Alchemy support.

Case study

Wallets

How Slash built stablecoin banking with smart wallets

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App 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.

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