Mobile apps, browser extensions, and exchange-hosted accounts are common examples of hot wallets. Because they're connected to the internet, they can sign and broadcast transactions quickly, which makes them convenient for frequent trading or day-to-day spending. The private keys involved are typically stored on an internet-connected device, such as a phone or computer, or on a company's servers in the case of an exchange account, and that constant connectivity is what makes them "hot."
The same connectivity that makes hot wallets convenient is also what exposes them to more risk. Malware, phishing attempts, and platform breaches are all remote attack methods that can potentially reach a hot wallet in a way they generally can't reach keys stored offline. Phishing is a particularly common risk with hot wallets, since a fake website or malicious browser extension can trick a user into approving a harmful transaction, even without directly stealing a private key, so being cautious about which sites and applications are granted permission to interact with a hot wallet is one of the most practical ways to reduce exposure. A common approach is to keep only a smaller amount for everyday use in a hot wallet, while holding larger amounts in cold storage that isn't connected to the internet. The right balance between the two depends on individual needs, how often funds are accessed, and personal risk tolerance.
Key takeaways
- A hot wallet is connected to the internet, which makes it convenient for frequent transactions.
- Internet connectivity is also what exposes hot wallets to more remote attack methods than offline cold storage.
- Many users split holdings, keeping smaller amounts in a hot wallet for regular use and larger amounts in cold storage.
Hot Wallet — frequently asked questions
Is a hot wallet unsafe to use?
It carries more exposure to online risks than a cold wallet, but that doesn't make it unusable — it's a trade-off between convenience and risk that's often managed by limiting how much is kept in a hot wallet at any time.
Is an exchange account a hot wallet?
Generally yes. Funds held on an exchange are typically managed through internet-connected systems controlled by that exchange, which places them in the hot wallet category rather than self-custodied cold storage.
New to crypto, or filling in the gaps? Work through the essentials in Learn, browse every term A–Z, or see live prices for the coins these concepts power.