Destination Tag Explained: Memo Rules for Crypto

What is a destination tag or memo in crypto?

A destination tag or memo is a unique identifier you add to a cryptocurrency transfer. Without it, platforms that assign the same deposit address to several users can't always tell whose funds just turned up. So, if you're sending to an exchange, the tag (sometimes a number, sometimes short text) links your deposit to your personal account, not someone else's.

Different networks refer to this field differently. XRP holds a numeric destination tag. On Stellar (XLM) and Cosmos (ATOM), you’re dealing with a memo, where you might enter a number or small phrase. Remember, the tag is totally separate from the address itself, so just copying the wallet address will not include it.

Where to find the tag and when it is required

You’ll usually spot the destination tag or memo displayed next to your deposit address, sometimes labeled distinctly, sometimes in a separate box. Platforms know people forget, so they typically post reminders right on the deposit screen. If you want to know more about addresses, see what a wallet address is. Some wallet apps automatically fill the tag for you, but plenty expect you to paste it into its own line every time you send. You can’t guess the tag from the address alone, so always copy it carefully from the platform's latest instructions.

If the deposit page asks for a tag or memo, enter it, even if you've used that address before.
Rules can change by coin or network, so double-check each asset's deposit info.

What happens if you forget the tag?

Sending crypto without the required tag means your funds might show up at the exchange's address but not in your account. Most platforms won't spot the mismatch automatically. Typically, you'll need to open a support request, share your TXID (transaction ID), and prove you control the sending wallet. Without that, support teams can't start investigating.

The process isn't instant, and there's no guarantee of recovery. Many places charge a fee for correcting missing-tag errors. When you contact support, provide your account number and have transaction details handy. Before you reach out, check the transfer in a blockchain explorer; that will help you confirm what actually happened. If your concern is about a network mismatch instead, this guide might help: what happens after a wrong-network transfer.

Frequently asked questions

What if I forgot the destination tag when sending XRP?

You need to contact the support team at the platform you sent to, share the transaction ID, and verify you control the sending wallet. Some exchanges can manually recover and credit a missing-tag deposit, as long as you provide the right information and wait for checks. Don't resend anything until you know what happened to your deposit.

Is a memo the same as a destination tag?

No, not exactly. Both are extra fields sent with a coin transfer, but each network uses its own term. Ripple calls this field a destination tag; Stellar and Cosmos say memo. Always copy and enter the value precisely. If you mistype it, you might credit the wrong user or lose access to your funds.