An Introductory Guide to Hot and Cold Wallets
Cryptocurrency wallets primarily store and manage private keys rather than directly holding assets on the blockchain. Hot wallets are connected to the internet and convenient to use, making them suitable for everyday transactions; cold wallets store keys offline, offering greater security and making them suitable for long-term storage. When choosing, consider transaction frequency, holdings size, and security needs. When necessary, the two types of wallets can be used together.
Wallets, Addresses, and Private Keys
A wallet can be understood as a tool for managing access to blockchain assets. Its core function is to store private keys and authorize transactions. A wallet can also generate addresses, which can be shared publicly to receive cryptocurrency; private keys, however, must be kept strictly confidential. If a private key is lost, the user may lose control over the associated funds, making proper backup and secure storage essential.
Differences Between Hot and Cold Wallets
Hot wallets remain connected to the internet and are typically provided as mobile applications, desktop software, browser extensions, or platform wallets. They offer quick access and are suitable for frequent trading and use of decentralized applications, but are more vulnerable to attacks, scams, or device vulnerabilities. Cold wallets store private keys offline, reducing the risk of network attacks and making them more suitable for storing larger amounts of assets over the long term. However, each use requires more steps, and users must also guard against device loss, damage, or improper backups.
How to Choose and Strengthen Security
If you mainly make small, frequent payments or trades, a hot wallet is generally more convenient. If you prioritize long-term storage and reducing online exposure, a cold wallet is more suitable. Many users keep a small amount of everyday funds in a hot wallet and store the remaining assets in a cold wallet. Regardless of the approach, back up your recovery phrase or private key, use a strong password and two-factor authentication, obtain software from trusted sources, and stay alert to phishing.
Original Tutorial
https://www.binance.com/zh-CN/academy/articles/hot-vs-cold-wallet-which-crypto-wallet-should-you-use
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