Fiat Crypto SDK: Best Widget to Integrate Web3 Purchases Into Your App
Your app's onramp to Crypto

Easy Fiat ↔ Crypto

Fiat Crypto SDK for Web3 and Crypto Apps

Nash Widget: A fiat Crypto SDK that enables users to buy and sell Crypto in your app easily

Access thousands of tokens on hundreds of protocols, pay from almost any traditional or neo-bank, credit card, debit card, or IBAN available in the European Economic Area.
Screen display of buying BTC from Euro with token destination of Nash Wallet.



Implementation requires just a few lines of code and can be deployed in minutes.

Integrate Now
Code snippet on transparent background for Nash's fiat Crypto SDK: the Nash Widget.
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Eliminate friction to buying Crypto from Fiat with Nash’s Fiat Crypto SDK

Your app’s users need Crypto for gaming, NFTs, trading, and investing. The first step is buying Crypto. Make it simple with Nash’s fiat to Crypto ramp widget.
The Nash Widget enables Crypto purchase using any traditional money (fiat) account and deposits tokens into any user-controlled wallet.
Display of dropdown menu where you will select a currency and choose a blockchain in the fiat Crypto SDK, the Nash Widget.

Fast, easy, secure fiat to Crypto ramp for Web3

Powered by the Nash Fiat Ramp, the Nash fiat Crypto SDK reduces barriers for users buying and selling Crypto. It is the best option for apps to onramp customers to Web3. 

Minimal development resources required

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Saves time and money

Icon illustrations of tokens BTC, ETH, MATIC.

Safe and secure

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Beautiful UX delivers a great end-user experience

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Works with almost any EVM-based Wallet and any traditional money source

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The Nash fiat to Crypto Widget opens a world of possibilities for the Crypto economy.

Display of menu showing available blockchains in the fiat Crypto SDK, the Nash Widget.
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Low Effort Development

Only a few lines of code
Embed the fiat-to-Crypto ramp on any app or website
Written and implemented in node.js
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Maximum Interoperability

Native integration with Nash Wallet
Seamless integration with all WalletConnect supported wallets
Fund purchases from any money source: Nash Euro IBAN, credit card, debit card, iDeal, supported traditional banks.
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High Security To Keep Assets Safe

State-of-the-art industry security framework
Fully compliant
Powered by Nash Fiat Ramp registered in the Netherlands and in Liechtenstein
Nash can never access your funds
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Easy-To-Use With Excellent UX

Clean, intuitive design
Powered by Nash’s registered Fiat Ramp
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Low Cost Crypto Purchases

Lowest cost in the industry
Instant transactions available
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Support When Needed

Dedicated team and passionate community are ready to help
Self-service guides, videos, tutorials, and Live Chat to answer questions

Officially registered

De Nederlandsche Bank and the Financial Market Authority Liechtenstein
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Best DeFi Marketplace

Winner, 2022
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Interested in knowing more?

Compliance and Registration

Nash was the first Crypto Platform in Europe registered by the Financial Market Authority (FMA) of Liechtenstein. Nash is also registered with the De Nederlandsche Bank N.V. (DNB).
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Industry Leading Security

Nash’s Crypto Platform and Investment App uses state-of-the art, audited security measures and is fully non-custodial.
What makes Nash so safe
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Rates may vary over time. Crypto-powered earnings on Nash are not covered by any deposit guarantee schemes like bank savings accounts and involve risks unique to the underlying technologies: (i) Exploitations of the smart contracts used; (ii) Forex fluctations between your national currency and the US dollar, which underlies crypto earnings assets; (iii) USD stablecoins losing their peg. 
Nash is a trademark of Neon Exchange Aktiengesellschaft. Neon Exchange Aktiengesellschaft is an exchange bureau registered with the FMA of Liechtenstein (TT Exchange Service Provider Nr. 261096 as defined by the Token- und VT-Dienstleister-Gesetz / TVTG, 3 October 2019)
Nash Exchange B.V. is registered with De Nederlandsche Bank N.V. (DNB) as a provider of crypto services. DNB conducts supervision and monitors Nash Exchange B.V.’s compliance with the Money Laundering and Terrorist Financing Prevention Act and the Sanctions Act 1977. Nash Exchange B.V. is not under the prudential supervision of DNB nor under business conduct supervision of the AFM. This means there is no supervision of financial requirements or business risks and no specific consumer financial protections.
Neon Exchange Aktiengesellschaft is a partner of Modulr Finance B.V., a company registered in the Netherlands with company number 81852401, which is authorised and regulated by the Dutch Central Bank (DNB) as an Electronic Money Institution (Firm Reference Number: R182870) for the issuance of electronic money and payment services. Your account and related payment services are provided by Modulr Finance B.V. Your funds will be held in one or more segregated accounts and safeguarded in line with the Financial Supervision Act – for more information please see this link.
Neon Exchange Aktiengesellschaft also provides fiat-crypto exchange services. These are separate and unrelated to the account and payment services you receive from Modulr Finance B.V.