When they first get into crypto, many people don’t know the difference between the balance in an exchange account and the coins in a wallet. You can see a balance and make transfers with both, but there’s a fundamental difference in who controls the private keys.

Coin mentioned in this article: $BNB quoted at 691.88 (24h -8.78%).

■ Exchange account: The platform holds your assets for you

Assets held on an exchange are kept in custody by the platform, which controls the corresponding private keys. The balance you see in your account is an entry in the platform’s ledger. Transfers between users on the same platform are usually processed on the ledger without being recorded on-chain, so they’re often fast and don’t incur network fees.

The platform only initiates an on-chain transaction and charges the corresponding network fee when you withdraw funds to an on-chain address.

■ Self-custody wallets: You hold the private keys

With a self-custody wallet, you keep your own private keys, and your recovery phrase is the master key to your entire wallet. Transfers don’t require approval from any platform, and you can interact directly with various on-chain applications.

On the other hand, no one can help you recover a lost recovery phrase, and no customer service team can reverse a transaction sent to the wrong address. Control and responsibility go hand in hand.

■ What are the risks of each?

The risks of an exchange account mainly come from two sources: first, the account itself could be compromised—for example, your password could be exposed or someone could trick you into revealing a verification code. Second, there are risks at the platform level: whether you can withdraw your assets smoothly ultimately depends on the platform. Binance regularly publishes Proof of Reserves, which users can check using a Merkle tree to see whether their balances have been included.

The risks of a self-custody wallet are more likely to come from your own actions: losing or exposing your recovery phrase, approving a malicious transaction on a phishing site, or sending funds to the wrong address or network. These mistakes happen on-chain and are often irreversible.

■ How to manage your assets more safely

It doesn’t have to be one or the other. A common approach is to keep funds you trade frequently on an exchange, with two-step verification and a withdrawal whitelist enabled, and move long-term holdings to a wallet whose private keys you control, keeping an offline backup of your recovery phrase.

Before transferring a large amount to a self-custody wallet for the first time, try the full process—receiving, sending, and recovery—with a small amount first, and make sure you understand every step.

■ In a nutshell

There’s no one-size-fits-all answer to where you should keep your assets. The key is to understand who bears the risks of each option, then allocate your assets based on your own habits. Don’t just follow suit because everyone around you is doing it.

If anything is unclear, leave me a comment and ask.