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Cold vs. Hot Wallets

tag: [Engineer/Developer, Security Specialist]

Cold Wallets

What Are They?

Cold wallets are offline storage solutions for cryptocurrencies. They are not connected to the internet, which makes them highly secure against online attacks.

Types of Cold Wallets

  • Hardware Wallets: Physical devices that store private keys offline.
  • Paper Wallets: Physical printouts or handwritten notes of private keys and QR codes.
  • Air-Gapped Computers: Computers that are never connected to the internet.

Use Cases

  • Long-Term Storage: Ideal for storing large amounts of cryptocurrency for extended periods.
  • High Security Needs: Suitable for users who prioritize security over convenience.

Hot Wallets

What Are They?

Hot wallets are online storage solutions for cryptocurrencies. They are connected to the internet, making them more convenient but less secure than cold wallets.

Types of Hot Wallets

  • Mobile Wallets: Apps installed on smartphones.
  • Desktop Wallets: Software installed on computers.
  • Web Wallets: Online services accessible via web browsers.

Use Cases

  • Daily Transactions: Ideal for users who need quick access to their funds for transactions.
  • Small Balances: Suitable for storing smaller amounts of cryptocurrency that are used regularly.

Comparison

FeatureCold WalletsHot Wallets
SecurityHighModerate to Low
ConvenienceLowHigh
Internet ExposureNoneConstant
Use CaseLong-term storageDaily transactions
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https://www.gemini.com/cryptopedia/crypto-wallets-hot-cold