Crypto Payment Gateway & Stablecoin API in Donostia / San Sebastián, Spain
Accept BTC, ETH, USDT & USDC with a secure multi-chain crypto payment gateway and stablecoin API built for businesses in Donostia / San Sebastián, Spain.
Cryptocurrency Development Services in Donostia / San Sebastián, Spain
At N&T Software, we build secure, compliant cryptocurrency products tailored to the regulatory and market needs of businesses in Donostia / San Sebastián, Spain.
We provide end-to-end cryptocurrency development services in Donostia / San Sebastián, Spain for exchanges, fintechs, funds and Web3 businesses, covering payment gateways, exchanges, custody infrastructure, wallets, smart contracts, DeFi platforms and KYC/AML compliance tooling.
15+
In-house websites developed and managed with SEO for our group of companies
9+
Ongoing N&T Group product management and enhancement initiatives
4+
Upcoming products in development
10+
Custom client projects ongoing
Why You choose N&T software as technology partner
Technology partnership that feels structured, fast, and dependable
We help businesses move from scattered tools and manual work to stable digital systems that are easier to manage, scale, and improve over time. Our approach blends business understanding, practical execution, and long-term support.
Custom software aligned to your workflows, approval cycles, and reporting needs.
Clear delivery process with strong communication from discovery to launch.
Solutions designed for future growth, integrations, automation, and security.
2000+
Global clients served
50+
In-house specialists
2000+
Projects delivered
300+
Startup builds supported
98%
Client retention rate
16+
Years of experience team
Discuss your software projectBuilt for startups, SMEs, and enterprise teams.
Inhouse Development Portfolio
Explore software products built to simplify operations and accelerate growth
Explore our software products designed to simplify operations, improve efficiency, and support business growth across different use cases.
In Features Our Product Is Coming
New product lines we are preparing to launch next
We are expanding our product ecosystem with focused solutions designed for operations, administration, and business growth across multiple industries.
01
CRM Management
Smarter lead tracking, team follow-ups, sales visibility, and customer relationship workflows in one connected system.
02
Hospital Management
A streamlined platform for patient records, appointments, billing, departments, and day-to-day hospital operations.
03
Exam Management
An organized exam workflow for scheduling, student records, result handling, reporting, and secure academic administration.
04
Lead Generator
A focused platform for capturing enquiries, qualifying prospects, routing leads to teams, and improving conversion through smarter follow-up workflows.
Project Showcase
Current Project Demos
A selection of platforms we've designed and built, for reference:
Our Cryptocurrency Development Services in Donostia / San Sebastián, Spain
Explore the full spectrum of N&T Software's cryptocurrency development services built for businesses in Donostia / San Sebastián, Spain.
White-Label Exchange (CEX/DEX) Development in Donostia / San Sebastián, Spain
Launch a fully-branded centralized, decentralized or hybrid crypto exchange with matching engine, liquidity, wallet & compliance built in for Donostia / San Sebastián, Spain.
MPC Wallet & Custody Infrastructure in Donostia / San Sebastián, Spain
Institutional-grade crypto custody built on MPC and threshold signatures, with no single point of failure, for exchanges and funds in Donostia / San Sebastián, Spain.
Cryptocurrency Wallet Development in Donostia / San Sebastián, Spain
Secure multi-currency custodial and non-custodial crypto wallets for exchanges, fintechs and Web3 apps in Donostia / San Sebastián, Spain.
Smart Contract & Token Development in Donostia / San Sebastián, Spain
Audited smart contracts and token creation, covering ERC-20, BEP-20, TRC-20 and NFT, for DeFi and Web3 businesses in Donostia / San Sebastián, Spain.
DeFi Development Services in Donostia / San Sebastián, Spain
Decentralized exchanges, staking, yield farming and lending protocols with audited, secure smart contract architecture for Donostia / San Sebastián, Spain.
Crypto Compliance & KYC/AML Integration in Donostia / San Sebastián, Spain
KYC/AML, transaction monitoring, sanctions screening and Travel Rule integration for crypto exchanges, wallets and payment platforms in Donostia / San Sebastián, Spain.
Discover Advanced Technologies in Donostia / San Sebastián, Spain
Unlock the potential of advanced technologies in Donostia / San Sebastián, Spain to create secure, efficient, and scalable software tailored to modern market expectations.
Crypto Payments & Exchange Infrastructure in Donostia / San Sebastián, Spain
We build multi-chain payment gateways, stablecoin APIs and white-label exchanges tailored to businesses in Donostia / San Sebastián, Spain.
Matching engines, liquidity connectivity and settlement logic are built and tested against testnets before going live.
- Multi-Chain Payment Gateway in Donostia / San Sebastián, Spain
- Stablecoin API (USDT, USDC, PYUSD) in Donostia / San Sebastián, Spain
- CEX / DEX / Hybrid Exchange Builds in Donostia / San Sebastián, Spain
- Liquidity & Market-Maker Connectivity in Donostia / San Sebastián, Spain
- AML/Fraud Screening on Every Transaction in Donostia / San Sebastián, Spain
Custody, Wallets & Compliance in Donostia / San Sebastián, Spain
MPC-based custody, custodial and non-custodial wallets are engineered around the security model your product needs in Donostia / San Sebastián, Spain.
KYC/AML, transaction monitoring and Travel Rule tooling are designed alongside the architecture, not bolted on later.
- MPC / Threshold Signature Custody in Donostia / San Sebastián, Spain
- Custodial & Non-Custodial Wallets in Donostia / San Sebastián, Spain
- Smart-Contract (ERC-4337) Wallets in Donostia / San Sebastián, Spain
- KYC/AML & Sanctions Screening in Donostia / San Sebastián, Spain
- Audit Logging & Policy Engine in Donostia / San Sebastián, Spain
Cryptocurrency Solutions across Industries in Donostia / San Sebastián, Spain
Discover how crypto infrastructure transforms payments, trading and custody across key sectors in Donostia / San Sebastián, Spain.
Crypto Payments for Fintechs in Donostia / San Sebastián, Spain
Accept and settle stablecoin and crypto payments in minutes instead of days, reducing card and wire fees for platforms in Donostia / San Sebastián, Spain.
Exchange Infrastructure in Donostia / San Sebastián, Spain
Launch a white-label CEX, DEX or hybrid exchange with liquidity, custody and compliance tooling built in for operators in Donostia / San Sebastián, Spain.
Cross-Border Payouts in Donostia / San Sebastián, Spain
Settle international payouts and payroll in stablecoins in minutes, removing most FX volatility risk for businesses in Donostia / San Sebastián, Spain.
Web3 & iGaming Wallets in Donostia / San Sebastián, Spain
Give users branded wallets, in-app swaps and instant deposits/withdrawals built for gaming and Web3 economies in Donostia / San Sebastián, Spain.
Want to build your custom cryptocurrency solution in Donostia / San Sebastián, Spain?
Blockchains & Protocols We Work With in Donostia / San Sebastián, Spain
We build on the chains and cryptographic protocols that institutional crypto products in Donostia / San Sebastián, Spain rely on.
Multi-Chain Infrastructure in Donostia / San Sebastián, Spain
Bitcoin, Tron, Polygon, BNB Chain and Solana connectivity from a single integration, so you are not rebuilding infrastructure per market.
Ethereum & EVM Development in Donostia / San Sebastián, Spain
Smart contracts, tokens and account-abstraction (ERC-4337) wallets built and audited on Ethereum and EVM-compatible chains.
MPC Custody Technology in Donostia / San Sebastián, Spain
Threshold signature schemes split private keys into encrypted shares, removing any single point of failure for custody.
KYC/AML & RegTech in Donostia / San Sebastián, Spain
Transaction monitoring, sanctions screening and Travel Rule tooling built into onboarding, trading and withdrawal flows.
Key Benefits of Cryptocurrency Development for Your Business in Donostia / San Sebastián, Spain
Unlock faster settlement, institutional-grade security and compliance-ready infrastructure in Donostia / San Sebastián, Spain.
Faster Settlement in Donostia / San Sebastián, Spain
Settle payments and payouts in minutes instead of 2-5 business days through stablecoin and crypto rails.
Institutional-Grade Security in Donostia / San Sebastián, Spain
Segregated wallet architecture, MPC-based signing and independent penetration testing protect funds without slowing product velocity.
Compliance-Ready by Design in Donostia / San Sebastián, Spain
KYC/AML, transaction monitoring and Travel Rule support are designed alongside the architecture, reducing licensing friction.
Lower Transaction Costs in Donostia / San Sebastián, Spain
Lower fees than card networks or international wire transfers, with reduced chargeback risk.
Why N&T Software Stands Out in Cryptocurrency Development in Donostia / San Sebastián, Spain
Partner with an in-house blockchain engineering team that stays engaged well past launch in Donostia / San Sebastián, Spain.
In-House Blockchain Engineers
No outsourced subcontracting. Our blockchain engineering team owns your product's architecture, security and delivery end to end.
16+ Years of Fintech Experience
2,000+ projects delivered across custom software and fintech engineering, giving us patterns institutional partners already trust.
Compliance-Aware Design
KYC/AML, sanctions screening and jurisdiction-specific requirements are designed in from day one, not retrofitted before launch.
Post-Launch Monitoring & Support
24/7 monitoring, alerting and incident-response support are included in every engagement, well past go-live.
Frequently Asked Questions About Cryptocurrency Development in Donostia / San Sebastián, Spain
Answers to common cryptocurrency development questions by our engineering team for clients in Donostia / San Sebastián, Spain.
In Donostia / San Sebastián, Spain, we build crypto payment gateways and stablecoin APIs, white-label exchanges (CEX/DEX), MPC custody infrastructure, custodial and non-custodial wallets, audited smart contracts and tokens, DeFi platforms, and the KYC/AML compliance tooling that ties them together.
Bitcoin, Ethereum and EVM-compatible chains, Tron, Polygon, BNB Chain and Solana, along with major stablecoins like USDT, USDC and PYUSD, with additional chains added based on target markets from Donostia / San Sebastián, Spain.
Segregated hot/cold wallet architecture, optional MPC-based signing, independent penetration testing, and real-time on-chain monitoring are built into every engagement for businesses in Donostia / San Sebastián, Spain, not added as an afterthought.
Yes. We build KYC/AML, transaction monitoring, sanctions screening and Travel Rule capabilities into exchanges, wallets and payment platforms, and can align architecture with regimes relevant to Donostia / San Sebastián, Spain alongside your legal counsel.
Yes, we deliver centralized (CEX), decentralized (DEX) and hybrid exchanges with matching engine, liquidity connectivity, wallet infrastructure and compliance tooling for operators in Donostia / San Sebastián, Spain.
Yes, we build custodial, non-custodial, hybrid and smart-contract (ERC-4337) wallets across iOS, Android, web and browser extension for exchanges, Web3 platforms and remittance apps in Donostia / San Sebastián, Spain.
Timelines depend on scope: a single-chain payment integration can launch in 6-10 weeks, a white-label exchange typically launches in 6-8 weeks, and a fully custom build can take 4-6 months, regardless of whether the client is based in Donostia / San Sebastián, Spain or elsewhere.
N&T Software brings 16+ years of fintech and custom software engineering experience, in-house blockchain engineers with no outsourced subcontracting, and compliance-aware design from day one for clients in Donostia / San Sebastián, Spain.
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