STX Deposit MEMO? Required?

Can someone explain to me what a ‘memo’ is and why I don’t see that in my stacks wallet? I see this when I try to transfer STX to an exchange.

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Thanks,
KrynetiX

It’s just an extra 34 bytes of scratch space in the transaction. You can put whatever you want there (think of it like the memo field on a check). Exchanges often use it to record their own transaction IDs.

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