> For the complete documentation index, see [llms.txt](https://docs.qr.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.qr.xyz/welcome/readme.md).

# About \[QR] wallet

> A self-custody (non-custodial) multichain crypto-fiat mobile wallet powered by account abstraction with qr payments and gamification for everyone, worldwide! Pay via local QR codes with your crypto at the best rates and instantly!
>
> Scan. Pay. Enjoy!

***

## The main features:

\[QR] wallet is a mobile crypto wallet that makes blockchain **as simple as a regular banking app**. No need to understand gas, seeds, or nodes — everything works out of the box.

**Free Transactions** Send crypto without paying gas. \[QR] wallet covers network fees for you through our sponsored transaction system.

**Many Blockchains — One Wallet** EVM networks, Solana, Tron, Bitcoin, Dash, and more — all in one place with a unified balance. New networks are added over time.

**Security Without Compromise** Your keys are stored only on your device. Biometric protection. No one, including us, has access to your funds.

**DeFi in One Tap** Swap, staking, borrowing, perpetual trading — all available right from the wallet without external sites.

**Pay in the Real World** Scan a local payment QR and settle with crypto. Merchants receive local currency.

**Earn While You Use** Points system, quests, leagues, referral program, and cashback — turning routine crypto operations into an engaging experience.

***

## Who is the \[QR] wallet made for?

| You are...                           | Start here                                                                                                                             |
| ------------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------- |
| **Crypto enthusiast**                | [Swap & Bridge](/features/swap-and-bridge.md), [Staking](/features/staking.md), [DApp Browser](/features/dapp-browser.md)              |
| **Tourists**                         | [QR Payments](/features/qr-payments.md), [Send & Receive](/features/send-and-receive.md)                                               |
| **Digital nomad, expat, freelancer** | [QR Payments](/features/qr-payments.md), [Multi-Chain](/core-concepts/multi-chain.md), [Send & Receive](/features/send-and-receive.md) |
| **Remittance**                       | [Send & Receive](/features/send-and-receive.md), [QR Payments](/features/qr-payments.md)                                               |

***

## Quick Start

| <p><strong>Want to understand the basics?</strong></p><p>Start with <a href="/core-concepts/smart-accounts.md">Core Concepts</a> — how Smart Accounts work and why they matter.</p> | <p><strong>Want to know all features?</strong></p><p>Go to <a href="/features/wallet-and-balances.md">Features</a> — detailed description of every capability.</p> |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| <p><strong>Want to integrate?</strong></p><p>Check <a href="/for-partners/integration-overview.md">For Partners</a> — integration options and partnership.</p>                      | <p><strong>Want to understand the tech?</strong></p><p><a href="/under-the-hood/architecture.md">Under The Hood</a> — architecture and ERC-4337 deep dive.</p>     |

***

## Tech Stack

```
Mobile App     React Native + Expo
Blockchain     ERC-4337 Account Abstraction (EVM)
Networks       EVM + Solana + Tron + Bitcoin + Dash
Infrastructure Bundler, Paymaster, multi-chain RPC
Security       Biometric + Secure Enclave
```

***

## Links

* **Website:** [qr.xyz](https://qr.xyz/)
* **X (Twitter):** [@QRwallet\_X](https://x.com/QRwallet_X)
* **Telegram:** [Community](https://t.me/QRwallet_X)
* **Discord:** [Join](https://discord.gg/4rTu8Bmjnz)
* **Instagram:** [@qrwallet\_x](https://www.instagram.com/qrwallet_x)
* **YouTube:** [@qrwallet\_x](https://youtube.com/@qrwallet_x)
* **Linktree:** [All links](https://linktr.ee/qrwallet_x)