Hot Wallet

When you first buy crypto, chances are you will store it in a hot wallet. These wallets live on your phone, your computer, or in your browser, and they make using crypto almost as easy as using a banking app.

That convenience comes with tradeoffs, though. Knowing how hot wallets work, and how they differ from other options, helps you decide how much to keep in one and how to keep it safe.

What Does Hot Wallet Mean?

A hot wallet is any crypto wallet that is connected to the internet. Like all wallets, it does not actually hold your coins, because those live on the blockchain. Instead, it stores or manages the private keys that prove you own your crypto and let you sign transactions. Because the wallet is online, you can send and receive funds within seconds.

Think of a hot wallet like the leather wallet in your pocket. It is perfect for everyday spending, and you can pull it out whenever you need it. But you probably would not carry your entire life savings in it, because it is easier to lose or have stolen than money locked in a safe at home. In crypto, that safe is a cold wallet.

How Hot Wallets Work

When you create a hot wallet, it generates a private key and a matching public key, along with a wallet address you can share to receive funds. Most wallets also give you a seed phrase, a list of 12 or 24 words that can restore your wallet if you lose your device.

When you want to send crypto, the wallet uses your private key to sign the transaction and broadcasts it to the network. Since the key is stored on an internet-connected device, the whole process happens quickly, without plugging in extra hardware.

The tradeoff is that anything able to reach your device over the internet, such as malware or a malicious website, could also try to reach your keys. That is the main reason hot wallets are considered less secure than offline storage.

Types of Hot Wallets

Hot wallets come in several forms, each suited to different habits and devices.

Mobile Wallets

Mobile wallets are apps on your smartphone. They are handy for paying in person, scanning QR codes, and checking your balance on the go. Many include built-in tools for swapping tokens or connecting to apps.

Desktop Wallets

Desktop wallets are programs installed on your computer. They often offer more advanced features and controls, but they are only as secure as the computer they run on.

Browser Extension Wallets

These wallets run inside your web browser and are the most common way to connect to decentralized apps. They make it easy to trade on a DEX, mint NFTs, or interact with DeFi protocols directly from a website.

Exchange Wallets

When you keep crypto on an exchange, it is held in a hot wallet managed by that platform. This is a custodial wallet, meaning the exchange controls the private keys on your behalf.

Custodial vs. Non-Custodial Hot Wallets

Hot wallets can be custodial or non-custodial, and the difference matters. With a custodial wallet, a company holds your keys. That makes it easier to recover access if you forget a password, but you rely on that company to stay secure and solvent.

With a non-custodial hot wallet, you alone control the keys. Nobody can freeze your funds, but nobody can help you if you lose your seed phrase either. There is a popular saying in crypto: "Not your keys, not your coins."

Pros and Cons of Hot Wallets

Hot wallets are popular for good reasons, but they are not right for every situation. Here is a quick comparison:

• Convenience: Hot wallets are fast to set up and easy to use for daily transactions.
• Cost: Most hot wallets are free to download, unlike hardware wallets that you must buy.
• Access to apps: They connect easily to DeFi, NFT marketplaces, and other Web3 services.
• Security risk: Because they are online, they are more exposed to hacking, malware, and phishing.
• Device dependence: If your phone or computer is compromised, your wallet may be too.

How to Keep Your Hot Wallet Safe

You can greatly reduce your risk by following a few simple habits. Our guide to security best practices goes deeper, but these are a good start:

• Guard your seed phrase: Write it down on paper and store it offline. Never type it into a website or share it, even with someone claiming to be support staff.
• Enable extra protection: Use a strong password, biometrics, and two-factor authentication where available.
• Download from official sources: Fake wallet apps are a common scam, so only install wallets from verified websites and app stores.
• Be careful with approvals: Read what a dapp is asking to do before you sign, and revoke permissions you no longer need.
• Keep only what you need: Store larger, long-term holdings in a cold wallet and use your hot wallet like a spending account.

Many experienced users split their funds this way, keeping a small balance in a hot wallet for daily activity and the rest in cold storage.

Useful Links

• How to choose a crypto wallet?
• What is a cold wallet?
• What is a seed phrase?
• How to deposit crypto from wallets and exchanges?