Prostrive's crypto wallet development services cover custodial, non-custodial and multi-chain wallets for FinTech companies, exchanges, Web3 products and platforms, adding crypto for their users. As part of our blockchain development services, we build the wallet and everything it depends on: key management, the mobile or web app, blockchain connections and the fiat on-ramps around it. A dedicated team builds it with you, and you own the code.
Let's talkEvery crypto wallet starts with one question: who holds the private keys? In a custodial wallet, your company holds them for the users. In a non-custodial wallet, each user holds their own.
Under MiCA, holding keys for clients is a regulated custody service, with safeguarding and recovery duties attached. Leaving keys with users lightens that load, but your support team can't restore a lost seed phrase. That's why we settle the custody model before anyone designs a screen.
We build cryptocurrency wallets as standalone products and as components inside platforms that already exist. Most projects combine several of the services below because a mobile wallet still needs custody, chain connections and a back office behind it.
A custom crypto wallet is built around your business model, the assets you support and the custody model you choose, not around a vendor's feature list. We design the key management, backend services and admin tools together so balances, fees and limits stay consistent across every channel. The code and the intellectual property belong to you.
Let's talkOur crypto wallet app development covers iOS and Android, built with React Native or Flutter depending on your existing products. Users get biometric login, QR code payments, push notifications for incoming transfers and a single view of every balance. The app runs on the same APIs as your web wallet and back office, so there's one source of truth.
Let's talkA multi-chain crypto wallet holds coins and tokens from several blockchains in one interface, with multi-currency balances shown in the user's own currency. Our own builds include Ethereum and Solana. Every extra chain adds custody, monitoring and reconciliation work on top of the connection, so we advise starting with the chains your users actually hold.
Let's talkDeFi wallets give users direct access to decentralised apps and protocols, from staking to token swaps, without leaving the wallet. For these Web3 wallets, we build the smart contract interactions and the dApp connections, scoped per site and revocable by the user. Each transaction is decoded into plain language before anyone signs it.
Let's talkWhen you hold assets for users, we build the custodial wallet infrastructure behind it: hot wallets for daily withdrawals, cold storage for reserves and multi-signature approval for transfers between them. Hardware security modules keep private keys away from application servers. If you'd rather use a licensed custody provider, we integrate theirs instead.
Let's talkA white-label crypto wallet lets partners launch under their own brand on one shared codebase. FiatGate is a white-label, non-custodial wallet and exchange platform which we built in JavaScript, using third-party APIs for wallet management and exchange functionality. If an existing white-label vendor already covers your features, licensing theirs is the faster route.
Let's talkAdding a crypto wallet to an existing app, marketplace or banking platform is often a smaller project than a new build. We connect wallet functionality to your user accounts, KYC flow and ledger through APIs, so users don't need a second login. For Mbilia, an NFT marketplace, we built secure wallet integration with multi-chain support.
Let's talkMost of your users still arrive with euros, pounds or dollars. We build fiat on- and off-ramps and integrate existing ramp and payment providers, so users can buy crypto by card or bank transfer and cash out to their account. For Axys, we built a card platform that lets high-net-worth users top up their cards with crypto.
Let's talkCrypto wallets rarely fail at the cryptography. They fail at the parts around it: a private key that ends up in a log file, a backup nobody tested, a compliance check bolted on after launch. We treat those parts as core engineering work in every crypto wallet we build, because a transfer settles on a chain and can't be called back.
Private keys are generated and used inside secure storage, such as the phone's secure enclave or a hardware security module. They never pass through application state, logs or analytics. Recovery gets the same attention: the wallet backup is verified at setup and restored on a wiped test device before every release.
In a custodial crypto wallet, KYC onboarding, AML screening and blockchain transaction monitoring run through integrated specialist tools. Travel Rule data goes with each transfer, and flagged transfers stop before they settle. The licence stays with your company; we build the records and controls your compliance team shows the regulator.
Wallet backends run as containerised services on Docker and Kubernetes, with Kafka or Redis Streams for balance updates and notifications. Blockchain networks upgrade their protocols, so node connections are built to change without a rewrite. It's the same stack behind Ampang, an AI crypto trading bot we built.
Plenty of developers can put a wallet interface on a phone. The harder part is everything a crypto wallet touches: custody, fiat rails, compliance and the exchange behind the swap button. Here's what changes when you build it with us.
Our teams built FiatGate, a white-label non-custodial wallet and exchange platform, and Mbilia, an NFT marketplace with multi-chain wallet support. That experience shapes how we scope your crypto wallet, from the custody model to the third-party APIs it depends on.
A wallet rarely stands alone. We also build payment software, KYC onboarding, card platforms and crypto exchanges, so the fiat and crypto side of your product comes from one team. For Axys, crypto top-up touched the card programme, the conversion flow and the ledger at once.
With a custom build, the code and intellectual property of your crypto wallet belong to you, under Dedicated Teams, Team-as-a-Service and Project-Based Development alike. Your roadmap never depends on a vendor's release schedule.
Our developers join your standups, Slack channels and tools instead of disappearing behind a ticket queue. Western on-site management in our hubs oversees quality, and cultural and communication training keeps the work with your in-house team running smoothly.
You can start within weeks, not months, and scale the team up or down as your wallet moves from a first version to growth. There's no long-term contract to sit out if your plans change.
Our engineers work from hubs in Asia and Armenia under Western management. That gives you a structurally lower cost per line of code, without lowering the bar on code review, security testing or documentation.
Our crypto wallet development process starts with custody and regulation, before anyone designs a screen. Each step ends with something you can review, and a dedicated team works alongside your product and compliance people the whole way.
We choose the stack for each cryptocurrency wallet based on your team and your existing products. Mobile wallets run on React Native or Flutter, web wallets and admin tools on React, and backend services on Node.js or Python. Chain integrations and smart contracts cover Ethereum and Solana, event streaming runs on Kafka or Redis Streams, and deployment on Docker, Kubernetes and AWS.
How you work with us depends on how much wallet experience sits in your own team. All three models come without long-term contracts, and in each one the code and IP of your crypto wallet are yours.
A dedicated crypto wallet team joins your company and works under your direction. It suits a FinTech or Web3 company that owns the product roadmap and wants blockchain and mobile engineers who stay with the product for the long term.
We manage a flexible team for you, scaled to the phase your crypto wallet is in. It suits companies that want experienced oversight on custody and security without managing blockchain developers themselves.
We build your crypto wallet end to end, from discovery to launch, within an agreed scope and timeline. It suits a clear brief, such as a first version to test with early users or a wallet integration into an existing platform.
We handpick your crypto wallet developers for your scope, with backgrounds in blockchain, mobile, backend and security engineering. They review each other's code, work with your tools and report to Western management in our hubs, so you deal with people who know your product, not a rotating bench.
Established in 2021. Our team spans 4 countries (The Philippines, The Netherlands, Hong Kong, Armenia), delivering 100+ transformative projects across the world.
A selection of the products our embedded teams have helped build.
FiatGate is a white-label platform that lets businesses launch their own branded, non-custodial crypto wallet and exchange. We built the complete platform in JavaScript, with third-party APIs for wallet management and exchange functionality.
Read the case study
Axys provides card solutions for high-net-worth individuals, with crypto top-up of the card balance. We delivered the web development behind the platform.
Read the case studyTell us what your wallet needs to hold and who should hold the keys. In a Discovery call, we go through custody, chains, integrations and the cost drivers of your first version, so you know what to build first.
The cost of crypto wallet development depends on the custody model, the number of blockchains and assets, the platforms you launch on and the integrations behind the wallet, such as fiat ramps, KYC and exchange providers. A non-custodial wallet on one chain and a custodial multi-chain wallet with cold storage are very different projects. We map these cost drivers for your first version in a Discovery call.
How long it takes to develop a crypto wallet follows the same drivers as the cost, plus your licence path if you hold keys for users. Every external provider, from custody to KYC, adds its own onboarding and testing. We draw up the plan once the scope is clear, and you can launch a smaller first version on one or two chains before adding more.
To develop a crypto wallet, you decide the custody model first, then choose the chains and assets, design the key management and recovery flow, and build the app, backend and integrations around it. Security testing runs throughout, and the wallet goes to testnet before mainnet. Our process follows four steps: Discover & Define, assembling your team, Design, Develop & Deliver, and Nurture & Evolve.
In a custodial crypto wallet, the provider holds the private keys on behalf of users; in a non-custodial crypto wallet, each user holds their own keys. A custodial wallet makes account recovery and compliance controls easier, but it turns the provider into a regulated custodian. A non-custodial wallet keeps users in full control, which also means support can't restore a lost seed phrase.
A cryptocurrency wallet needs secure key storage, a tested backup and recovery flow, multi-factor or biometric login, readable transaction signing and a full transaction history at minimum. Depending on your product, you add multi-currency balances, QR code payments, push notifications, in-app swaps through an exchange provider, staking, NFT support and fiat on- and off-ramps. We help you separate launch features from what can wait.
We keep a crypto wallet secure by protecting the private keys first: they stay in secure storage, such as a secure enclave or hardware security module, and never reach logs or analytics. On top of that come multi-factor authentication, multi-signature approval for custodial transfers, transactions decoded into plain language before signing, encryption in transit and at rest, and continuous security testing.
Our crypto wallets can connect to most public blockchains through node access or an integration provider, and our own builds include Ethereum and Solana. Each additional chain adds work beyond the connection, because custody, transaction monitoring and reconciliation all have to support it. That's why we advise launching with the chains your users actually hold and adding more as demand grows.
Whether you need a licence for a crypto wallet depends mainly on custody. Under MiCA in the EU, holding crypto-assets for clients is a regulated custody service, while providers of non-custodial wallet software generally fall outside its scope. In the UK, custodian wallet providers have to register with the FCA. We don't obtain licences for clients; we build the audit trails, screening and reporting your legal advisers need.
Yes, we can add a crypto wallet to an existing app, marketplace or banking platform through APIs. The wallet connects to your user accounts, KYC flow and ledger, so users manage crypto without a second login or app. For Mbilia, an NFT marketplace, we built secure wallet integration with multi-chain support for Ethereum and Solana transactions.
Build a custom crypto wallet when the wallet is part of what sets your product apart, when it has to work around existing systems, or when you want to own the code and the roadmap. A white-label wallet is the faster route when a vendor's standard features cover your needs, and in that case it may suit you better than a custom build.
You own the code of your crypto wallet. With a custom build from Prostrive, the code and the intellectual property belong to you under Dedicated Teams, Team-as-a-Service and Project-Based Development alike. There are no long-term contracts, so you can scale the team down or take development in-house whenever it suits your roadmap.