Trust — Trezor Suite® – Getting Started™

Introduction — Why trust matters

Security-first wallets such as Trezor Suite put device-backed keys, audited firmware, and a transparent developer surface at the center of wallet integrations. This guide distills practical steps for developers to get started with Trezor Suite and Trezor Connect, share best practices, and provide quick code / UX suggestions to reduce user friction while preserving strong security guarantees.

Audience & goal

This document is written for frontend and backend developers, product managers, and integrators who want to:

• Understand the Trezor Suite developer surface and recommended workflow.
• Integrate Trezor Connect safely into web and desktop apps.
• Follow security best practices and UX patterns for onboarding users to hardware wallets.

Quickstart — connect & test

1. Install & open Trezor Suite

Start by installing Trezor Suite (desktop or web) and make sure your device runs the latest firmware. For new users follow the official start flow to provision a device and back up its seed.

2. Use Trezor Connect for web integration

Trezor Connect is the standard integration layer that lets your app request public keys, sign transactions, and authenticate users in a browser-safe manner without exposing private keys. Use the Connect API to provide a familiar “Connect hardware wallet” button and flow in your app.

3. Test in a sandbox

Work in a testnet environment or with small-value funds while validating your UI and signing flows. Log user interactions that are helpful for debugging while ensuring you do not capture sensitive wallet state.

Integration checklist (developer)

Checklist: device detection, Connect initialization, permission prompts, signature verification, UX fallback, and recovery guidance.

Technical steps

• Include Trezor Connect via the official script or npm package.
• Initialize Connect with explicit origin and manifest (if required).
• Request only the specific scopes you need (e.g., getPublicKey, signTransaction).
• Implement clear, human-readable signing prompts showing amounts, addresses and fee details.
• Graceful fallback: detect missing device or blocked popup and inform the user with actionable steps.

UX / Language

Use plain language during onboarding. Make it clear why the device must confirm critical actions, and show visual confirmations when transactions are signed. Provide an obvious path to support or documentation for lost seed scenarios.

Security best practices

Principles

1. Never request more permissions than required.
2. Keep cryptographic operations on the device; never export private keys.
3. Validate signed payloads server-side where possible.
4. Use HTTPS, strong CSP and Subresource Integrity when loading Connect scripts.

Server-side verification

For operations where integrity matters (e.g., downstream payment processing), verify signatures and transaction structure on the backend. Treat any client-side assertion as advisory until verified server-side.

Developer tips & common pitfalls

Tip 1 — Device compatibility

Different Trezor models and firmware versions can affect UX (for example, popup flows vs. in-suite flows). Detect features and provide clear guidance when users need to update firmware or switch to Suite.

Tip 2 — User education

A short, illustrated onboarding modal that explains pins, recovery, and signing screens reduces support requests and improves user security posture.

Tip 3 — Error handling

Map common Connect errors to friendly messages. Always include a call-to-action: “Check device firmware”, “Allow popups”, or “Open Trezor Suite”.

Sample code (minimal)

Below is an illustrative snippet. Always use the official SDK and follow the docs.

// Example: initialize Trezor Connect (pseudo)
TrezorConnect.init({
  manifest: {
    email: 'dev@yourapp.example',
    appUrl: 'https://yourapp.example'
  }
});

const response = await TrezorConnect.getPublicKey({ path: "m/44'/0'/0'/0/0" });
if (response.success) {
  // use response.payload.publicKey
}

Onboarding flow (recommended)

Step A — Ask to connect

Show a clear CTA: “Connect your Trezor”. Explain that the device will confirm sensitive actions.

Step B — Guide to open Suite

If the user needs Suite, show a quick help card with download and support links.

Step C — Transaction confirmation

Always surface the final transaction summary. Encourage users to review address, amount, and fee on their device screen before confirming.

Resources & official links

Official pages for downloads, docs, developer references, and support.

Closing — trust & developer responsibility

Building on top of hardware wallet platforms is rewarding but carries a shared responsibility: developers must protect user keys, educate users about correct practices, and ensure integrations are robust against UI and network edge cases.

Next steps

• Read the official Connect docs and try the example apps in a sandbox.
• Run integration tests across different devices and firmware.
• Plan support flows for lost seed / device recovery scenarios.