MARIOXSoftware
03 · Blockchain & emerging tech

Crypto wallet development.

Keys kept safe, transfers kept simple.

Custodial and non-custodial wallets for mobile and web, with multi-chain support, swaps and strong key security.

Typical timeline
10–16 weeks
Engagement
Fixed scope
Team
100+ in-house
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Phone
I need
Budget
Confidential. NDA on request.
Related work · FampayMariox Software
AirwallexZellerKoganHotDocGraphyMILKRUNSnitchFyndTestbookSkydoLunarStockGro
What we deliver

Six things done properly.

Take one, or the whole set. Every item is delivered by the same senior team, with code and accounts in your name.

01

Non-custodial wallets

Users hold their own keys.

02

Custodial wallets

Managed keys with compliance controls.

03

Multi-chain support

Bitcoin, Ethereum and EVM chains.

04

In-app swaps

Token exchange built in.

05

Key security

Biometrics, MPC and secure enclaves.

06

Transaction history

Clear records and exports.

How we work

Five steps, no surprises.

Typical timeline: 10–16 weeks. You see working software at the end of every sprint.

01

Assess

Whether the technology fits the problem, answered honestly.

02

Prototype

A working proof on testnet, device or headset.

03

Secure

Audits, threat models and hardware tests before launch.

04

Launch

Mainnet, store or device rollout in stages.

05

Operate

Monitoring, upgrades and support after launch.

Technology we use
SwiftKotlinReact NativeWeb3.jsMPCNode.js

Why teams choose Mariox.

01
In-house since 2016

A decade of shipping with one team, not a network of freelancers.

02
Senior from week one

The people who scope your project are the people who build it.

03
300+ products shipped

For Airwallex, Zeller, Kogan, HotDoc, Graphy and hundreds more.

04
You own everything

Code, cloud accounts and documentation in your name from day one.

05
4 offices, your time zone

Noida, Bangalore, Dallas and Australia, with agreed overlap hours.

Ways to engage
01Recommended

Fixed-scope project

A defined outcome, price and date, agreed after a short discovery.

02

Dedicated team

A squad from our in-house team that works only on your product.

03

Monthly retainer

Ongoing support, iteration and capacity, billed by the month.

Crypto wallet development: questions.

Secure enclaves, biometrics and optional MPC, so no single device holds the full key.

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Let’s build yours.

Get a free estimate →+91 95992 87045