Crypto wallet development that keeps keys safe
A wallet is where most people first touch crypto, and where most of the costly mistakes happen: lost recovery phrases, wrong addresses and transactions nobody understood before signing. Our crypto wallet development builds wallets that make security invisible and transactions clear. As a wallet development company that also builds apps and websites, we design custom crypto wallet apps and wallet features inside your existing product.
What crypto wallet development involves
The first decision is who holds the keys. In a non-custodial wallet, users control their own keys, and the business never has access to their funds. In a custodial wallet, the business holds keys for users, which can be simpler for them but brings security duties and, often, licensing requirements. We explain the options and their consequences before anything is built. The choice also affects your costs, your support work and what happens if your company ever stops operating.
Modern wallets can feel like normal apps. Smart accounts allow recovery without a written phrase, spending limits and paying fees in other tokens, while device security such as the phone’s secure hardware and biometrics protects signing. We choose the setup that balances safety and ease for your users.
Signs you need wallet development
- Your product needs users to hold digital assets
- Users struggle with recovery phrases
- Transactions are hard to understand before signing
- You rely on a third-party wallet that limits you
- You need a wallet inside your existing app
What our crypto wallet development includes
Design, security and development for wallets people can trust.
Custody model
Non-custodial, custodial or hybrid designs explained and chosen with your legal advisers.
Key management
Secure key storage using device hardware, biometrics and, where suitable, smart accounts.
Recovery
Recovery options that don’t depend on users storing a phrase perfectly.
Clear transactions
Plain descriptions, address checks and warnings before users sign anything.
Custom crypto wallet app
iOS and Android apps, or wallet features built into your existing product.
Security review
Threat modeling, code review and testing, with an independent review recommended before launch.
Crypto wallet development in depth
The decisions that protect users and your business.
Custodial or non-custodial
Holding keys for users can make onboarding easy, but it makes your business responsible for their funds and can require licensing, such as state money transmission rules in the US or registration with the FCA for cryptoasset businesses in the UK. Non-custodial wallets avoid holding funds but must make self-custody safe. We help you weigh the options with your legal advisers.
Make signing understandable
Many losses come from users approving transactions they don’t understand. We show what a transaction will do in plain words, check addresses against known scams and common mistakes, and warn before unusual approvals, so users can make informed decisions. Clear transaction screens also reduce support requests, because users understand what happened and why.
Recovery without fear
A wallet that can be lost forever with one missing phrase keeps many people away. Smart accounts and well-designed backups allow recovery through trusted devices or contacts, while keeping control with the user. We design recovery around your users’ real habits.
How our wallet development company works
Security decisions first, then design and build, with a progress update every week.
- Step 01
Discovery
Users, assets, networks and custody model agreed, with legal input where needed.
- Step 02
Design
Onboarding, signing and recovery flows designed and tested with users.
- Step 03
Build and review
Wallet developed, threat-modeled, reviewed and tested on test networks.
- Step 04
Launch
Staged release, monitoring and updates as networks and standards change.
Why Griffon for crypto wallet development
We build mobile apps and websites as well as blockchain code, so the wallet fits your product and feels like the rest of it. We design onboarding, signing and recovery screens with the same care as any consumer app, and test them with real people.
We take a cautious view of blockchain projects and tell you when a simpler approach would serve your users better.
Part of our Blockchain development ↗2 hours
our usual reply to a new inquiry, one business day at most
Weekly
progress updates, plus a monthly report with the data and the work done
One team
strategy, design, development and marketing under one roof
You own it
the design, code and accounts are yours once the work is paid in full
Questions about crypto wallet development, answered
What does crypto wallet development include?
Choosing a custody model, key management, recovery, transaction design, app or product integration, security review and launch.
Should our wallet be custodial or non-custodial?
It depends on your users, assets and legal position. Custodial wallets are easier for users but bring security and licensing duties. We explain the trade-offs alongside your legal advisers.
Can you build a custom crypto wallet app?
Yes. We build iOS and Android wallet apps, or add wallet features to an app or platform you already have.
How do users recover a lost wallet?
Options include smart account recovery through trusted devices or contacts, secure backups and, for custodial wallets, identity checks. We design recovery for your users. Recovery options are tested with real users before launch, because a recovery flow nobody completes doesn’t protect anyone.
Which networks do you support?
We work with Ethereum and EVM networks and choose networks based on your users, fees and requirements.
How much does crypto wallet development cost?
It depends on the custody model, platforms and security work. We scope and price each phase before it starts.
Get a free wallet consultation
A 30-minute call. No deck, no pressure. Bring the site, the numbers and the goal, and leave with a plan and a price.