What is a Hot Wallet?

A hot wallet is a cryptocurrency wallet that’s connected to the internet. This includes mobile apps, browser extensions, and desktop applications. They’re “hot” because they’re always online and ready to transact.

Hot vs Cold Wallets

FeatureHot WalletCold Wallet
InternetConnectedOffline
ConvenienceHighLower
SecurityLowerHigher
CostFree$60-250
Best forDaily useStorage

Types of Hot Wallets

Browser Extensions

  • MetaMask
  • Rabby
  • Phantom (Solana)

Access DeFi directly from browser.

Mobile Apps

  • Trust Wallet
  • Coinbase Wallet
  • Rainbow

Trade on the go.

Desktop Applications

  • Exodus
  • Electrum
  • Atomic Wallet

Full-featured software.

Exchange Wallets

WalletTypeBest For
MetaMaskBrowser/MobileEthereum, DeFi
PhantomBrowser/MobileSolana
Trust WalletMobileMulti-chain
RabbyBrowserBetter UX
Coinbase WalletMobileBeginners

Hot Wallet Security

Risks

  • Malware can access keys
  • Phishing attacks
  • Device theft
  • Software vulnerabilities

Protection Measures

  • Strong device security
  • Updated software
  • Careful with links
  • Review transactions

Best Practices

Do’s

  • Keep software updated
  • Use strong device password
  • Enable 2FA where available
  • Verify all transactions
  • Only install from official sources
  • Backup seed phrase offline

Don’ts

  • Store large amounts
  • Click suspicious links
  • Install unknown extensions
  • Share screen with seed visible
  • Use on public WiFi for large transactions

How Much to Keep in Hot Wallet

General Guidelines

  • Trading amount only
  • What you can afford to lose
  • Rest in cold storage

Example Split

  • Hot wallet: $500-2,000 for DeFi/trading
  • Cold wallet: Long-term holdings
  • Exchange: Active trading only

Setting Up a Hot Wallet

MetaMask Example

  1. Download from metamask.io (verify URL!)
  2. Create new wallet
  3. Write down seed phrase
  4. Store seed offline securely
  5. Set strong password
  6. Start using

First-Time Tips

  • Practice with small amounts
  • Learn to verify transactions
  • Understand gas settings
  • Don’t rush

Hot Wallet for DeFi

Why Needed

  • Connect to dApps
  • Sign transactions
  • Interact with smart contracts
  • Manage NFTs

Connection Safety

  • Verify site URLs
  • Revoke unused approvals
  • Be cautious of pop-ups
  • Use separate browser profile

Exchange Wallet Considerations

Convenience

  • No setup needed
  • Easy trading
  • Managed security

Downsides

  • Not your keys
  • Can be frozen
  • Exchange hack risk
  • Withdrawal limits

When to Use Hot Wallets

Good For

  • Daily transactions
  • DeFi interaction
  • Small amounts
  • Active trading
  • NFT purchases

Not Good For

  • Large holdings
  • Long-term storage
  • Maximum security needs
  • Amounts you can’t afford to lose

Backup and Recovery

Seed Phrase

  • 12 or 24 words
  • Never store digitally
  • Multiple physical copies
  • Test recovery process

If Phone/Computer Lost

  1. Get new device
  2. Download wallet app
  3. Restore with seed phrase
  4. Assets recovered