Securing ETH, Base, and AVAX Assets with MetaMask: A Comprehensive Guide

Table of Contents

• Why MetaMask?
• Setting Up MetaMask
• Storing ETH on MetaMask
• Storing Base on MetaMask
• Storing AVAX on MetaMask
• Security Best Practices
• FAQs

Why MetaMask?

MetaMask is a leading browser extension and mobile wallet for managing Ethereum, Base, and Avalanche assets. Key features include:

• Non-custodial control: Full ownership of private keys.
• Multi-chain support: ETH, Base, and AVAX compatibility.
• DApp integration: Seamless access to decentralized apps like Uniswap and Augur.
• Hardware wallet compatibility: Enhanced security via Ledger/Trezor.

👉 Get started with MetaMask today

Setting Up MetaMask

1. Download: Install the MetaMask extension for Chrome, Firefox, or Brave.
2. Create Wallet: Generate a 12-word seed phrase—store it offline.
3. Secure Access: Set a strong password and enable auto-lock.

Pro Tip: Never share your seed phrase or store it digitally.

Storing ETH on MetaMask

1. Fund Your Wallet: Transfer ETH from an exchange or purchase via Uniswap.
2. Swap Tokens: Use MetaMask’s built-in swap feature for ERC-20 conversions.
3. Monitor Balances: Check transactions via Etherscan.

Storing Base on MetaMask

1. Add Base Network:

   • RPC URL: https://mainnet.base.org
   • ChainID: 80
   • Symbol: BASE
2. Trade on Augur: Connect MetaMask to buy/sell Base tokens.

Storing AVAX on MetaMask

1. Bridge AVAX: Use the Avalanche-Ethereum Bridge to transfer tokens.

2. Add Token Manually:

   • Contract Address: 0xA7D7079b0FEaD91F3e65f86E8915Cb59c1a4C664
   • Decimals: 18

👉 Maximize your DeFi potential with MetaMask

Security Best Practices

• Enable 2FA: Use a hardware wallet for transactions.
• Verify Contracts: Double-check token addresses before adding.
• Phishing Awareness: Only use official MetaMask links.

FAQs

Is MetaMask free?

Yes, but network (gas) fees apply for transactions.

Can I recover a lost wallet?

Only with your seed phrase—keep it secure!

How do I add custom tokens?

Go to "Add Token" > "Custom Token" and enter the contract address.

Is MetaMask safe for DeFi?

Yes, but audit smart contracts before interacting.

Can I use MetaMask on mobile?

Yes, iOS and Android apps are available.