Let’s talk about Memos and tags.
New XRP and XLM addresses need to receive enough coins to meet the minimum reserve requirement before they’re activated. Transfers below the threshold will fail.
One thing many people overlook: using a shared address with a Memo saves exchanges from having to manage a large number of addresses, but it means identifying who a deposit belongs to depends entirely on that memo.
It’s best to copy the Tag directly rather than enter it from memory—even one extra digit could cause a mismatch.
When transferring $XRP to an exchange, you generally need to enter both the address and the destination tag.