Sei Coin

Sei Wallet

Gem Wallet is a self-custodial Sei wallet for iOS, Android, and APK with full Sei EVM support. It lets you create a Sei wallet in under two minutes, get your native and EVM Sei addresses, and send, receive, swap, stake, or buy SEI through a built-in DEX aggregator. Gem Wallet keeps you in full control of your keys across every supported network - no accounts, no KYC, no tracking.

Sei Wallet

What Is Sei (SEI)?

Sei is a high-performance layer-1 blockchain that launched its mainnet in August 2023, built from the ground up for fast, low-cost trading and on-chain finance. SEI is the network's native token, used to pay gas, stake with validators, and vote on governance. Sei runs on a delegated proof-of-stake model, and its twin-turbo consensus paired with the redesigned SeiDB storage layer gives the network roughly 400ms block times with near-instant finality - one of the fastest settlement speeds of any public chain.

In July 2024 Sei launched Sei v2 and became the first parallelized EVM blockchain. As of early 2026 Sei pairs an Ethereum-compatible execution layer with a parallel engine that runs independent transactions at the same time, and the planned Giga upgrade is set to push throughput much higher while keeping sub-400ms finality.

What Is Sei EVM?

Sei EVM is the Ethereum Virtual Machine layer introduced with Sei v2. It runs standard Ethereum smart contracts without code changes, so familiar EVM tooling and tokens work on Sei - but with Sei's parallel execution and sub-second finality underneath. Every Sei account has two linked addresses: a native Cosmos address that starts with sei1... and an EVM address that starts with 0x..., mapped to each other through Sei's address-association system. SEI pays the gas on both sides.

Gem Wallet is a self-custodial Sei wallet with full Sei EVM support, so you can hold SEI and Sei EVM tokens, send and receive on the 0x... side of Sei, and interact with the EVM ecosystem - all from one app, with your keys staying on your device.

Sei Address Types

Address formatStarts withUsed for
Native (bech32)sei1...Cosmos side: staking, governance, native SEI
EVM (hex)0x...Sei EVM: smart contracts, EVM tokens, EVM dApps

Both addresses are derived from the same key and linked on-chain. Source: Sei docs - account linking.

What Is a Sei Wallet?

A Sei wallet is an app that lets you create a Sei address and store, send, and receive SEI and Sei tokens without leaving your funds on an exchange. Because Sei now runs both a Cosmos layer and an EVM layer, a good Sei wallet handles SEI as gas and gives you a working 0x... EVM address for Sei EVM tokens and apps. A self-custodial Sei wallet keeps the private keys on your device, so you - and only you - control the funds.

Gem Wallet gives you a Sei address from a single 12-word recovery phrase, supports Sei EVM, and never asks for an email, account, or KYC. Gem Wallet is open-source and independently audited, so anyone can verify how it protects your keys.

Sei Wallet Features in Gem Wallet

  • Sei EVM Support: Gem Wallet supports Sei EVM, giving you a working 0x... address to hold Sei EVM tokens and interact with the Ethereum-compatible side of Sei.
  • Full Self-Custody: Gem Wallet keeps your Sei private keys on your device, secured by a single 12-word recovery phrase that also covers every other supported network.
  • Store SEI and Sei Tokens: Gem Wallet lets you hold SEI alongside Sei EVM tokens like USDC, with live prices and full transaction history.
  • Built-In DEX Aggregator: Gem Wallet lets you swap SEI and other assets right inside the app through an integrated decentralized exchange aggregator - no separate swap site needed.
  • Stake SEI for Rewards: Gem Wallet lets you stake SEI to earn rewards and help secure the network, without giving up custody of your coins.
  • Buy SEI with a Card: Gem Wallet lets you buy Sei with a credit or debit card and other payment methods, credited straight to your wallet.
  • Open Source & Audited: Gem Wallet is fully open-source and independently audited, giving you transparency that closed wallets cannot.
  • Mobile-Ready: Gem Wallet is a fast Sei wallet app for Android, iOS, and APK, so you can manage SEI and Sei EVM tokens on the go.

Download the Gem Wallet Sei wallet app today and store, swap, stake, and buy SEI with full Sei EVM support and complete self-custody on iOS, Android, and APK.

Why Choose Gem Wallet as Your Sei Wallet

Gem Wallet is a Sei wallet where you control your keys and your funds. The code is publicly available on GitHub. Your activity is not tracked, and you can buy, swap, and use Sei directly from the app.

Self-Custody

Control and Self-Custody

Full control of your private keys and secret phrase. No third party can access or restrict your SEI. Your SEI is truly yours.

Privacy

Privacy Protection

No tracking, no personal information, no data collection. Complete privacy and control over your Sei.

Open-Source

Audited

Publicly available code on GitHub, independently audited by CertiK in April 2026.

Staking

Multi-Platform

Available on iOS, Android, and APK. Your Sei wallet works wherever you go.

Pioneer

Sei Wallet in Multiple Languages

Supporting 25+ languages including English, Spanish, Chinese, Russian, and Arabic. Fully localized for worldwide accessibility.

Cross-chain

Built-In Sei Services

Buy Sei with 30+ payment methods. Swap SEI through integrated DEX aggregator. Manage all crypto assets in one secure place.

Comparison: Gem Wallet vs Exchange Wallets

See how storing Sei in Gem Wallet differs from keeping it on exchanges

FeatureGem WalletExchange Wallets (Binance, Coinbase)
Registration Required✅ None❌ Full KYC
Personal Data Collection✅ None❌ Extensive (ID, address, selfie)
Open-Source✅ Fully transparent❌ Closed source
Private Keys Control✅ Yes❌ No
Account Freezing✅ Impossible❌ Possible
Setup Time✅ 2 minutes⚠️ 1-7 days (KYC verification)

Professional Security Features

  1. Biometric Authentication: Use Face ID, Touch ID, or fingerprint to secure your wallet
  2. PIN Protection: Set a strong PIN code as an additional security layer
  3. Encrypted Backups: Your secret phrase is stored securely and never leaves your device
  4. Regular Security Audits: Independent security reviews ensure wallet integrity. Learn more about security →
Gem Wallet private key security and self-custody crypto wallet features

What Sei Users Say About Gem Wallet

How to Set Up a Sei Wallet in 2 Minutes

Quick Setup Guide (3 Steps)

Creating a Sei wallet is simpler than opening a bank account. Gem Wallet guides you through the entire process in minutes, making it accessible for complete beginners.

onboarding view

1. Download Sei Wallet

Sei Wallet: iOS, Android & APK

recovery phrase screen

2. Create Sei Wallet

Create a new wallet, save the secret phrase, and get your address in Sei.

gem wallet security settings

3. Set Up Security for SEI

Enable PIN or biometric authentication and you're ready to go

Create Sei Wallet for iOS

Get your SEI wallet on iPhone (2 min):

  1. Open the App Store and search for "Gem Wallet"
  2. Download and install the app (it's free and under 50MB)
  3. Open Gem Wallet and tap "Create New Wallet"
  4. Write down your secret phrase on paper - this is your master backup
  5. Enable Face ID or set a PIN code for quick and secure access
  6. Done!
Download Gem Wallet for iOS
Sei wallet for iOS

Create Sei Wallet for Android

Get your SEI wallet on Android (2 min):

  1. Via Google Play: Search for "Gem Wallet" in the Play Store and install
  2. APK: Download the APK file for maximum privacy and control
  3. Open the app and select "Create New Wallet"
  4. Write down your 12-word secret phrase on paper
  5. Set up fingerprint or PIN authentication
  6. Done!
Sei wallet for Android

How to Get a Sei Address

To get a Sei wallet address, you first need to create or import a Sei wallet. After that, the app will generate addresses for you automatically.

1 Open Gem Wallet

Launch the app on your phone and select Sei (SEI) from your asset list.

2 Tap "Receive" Button

You'll see a large button at the bottom of the screen. Your Sei wallet address will be displayed both as text and as a QR code.

3 Copy Your Address

Copy the address to clipboard, share the QR code, or send it directly through messaging apps.

Get Sei wallet address in Gem Wallet
🔄 Unlimited Addresses

In Gem Wallet, you can generate unlimited Sei addresses for free. Each address is derived from your secret phrase and remains under your control forever.

📱 Using QR Codes
  • No Typing Errors - Scanning prevents copy-paste mistakes
  • Faster Transactions - Just show your phone screen
  • Perfect for in-person SEI payments

SEI Staking Calculator

These are the average APYs with which you can earn passive income using Gem Wallet.
Estimated Earnings:
Monthly:
Annually

Frequently Asked Questions

Sei EVM is the Ethereum-compatible layer that Sei added with its v2 upgrade in 2024. It runs standard Ethereum smart contracts on top of Sei's parallel execution engine and sub-second finality, and gives every account a 0x... address alongside its native sei1... address. Gem Wallet supports Sei EVM, so you get a working 0x... Sei address and can hold and move Sei EVM tokens directly in the app.
Download Gem Wallet from the App Store, Google Play, or as an APK, open it, and tap Create Wallet. Write down your 12-word recovery phrase offline on paper - never as a screenshot or in cloud storage - and confirm it on the next screen. That single phrase gives you a Sei address, with both native and EVM sides, and works across every supported network. The whole process takes under two minutes and needs no email, account, or KYC.
Sei runs both a Cosmos layer and an EVM layer, so each account has a native bech32 address (sei1...) and an EVM hex address (0x...). Both are derived from the same key and linked on-chain through Sei's address-association system, and SEI pays gas on both. The native side handles staking and governance, while the 0x... side handles Sei EVM smart contracts and tokens.
Yes. In a self-custodial wallet your private keys never leave your device and are not shared with anyone. Gem Wallet is open-source and independently audited, and adds biometric unlock, encrypted local storage, and per-transaction confirmation. Your 12-word recovery phrase is the only backup, so store it offline and never share it.
Yes. Gem Wallet lets you buy SEI with a credit or debit card and other payment methods, credited straight to your wallet, and swap SEI for other assets through its built-in DEX aggregator - no separate exchange or account needed. Keep a little SEI in your wallet to cover network gas fees.

Your Sei Wallet Is Ready

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