What's Memo Tag ?
Destination Tag or Memo is the special identification of coin transaction which is unique for each user. Destination Tag / Memo will be used only for some crypto currency such as XRP and XLM.
Moreover, format of Destination Tag / Memo can be number only and mix of alphabet and numeric about 8-10 digits. Please check Destination Tag / Memo of all transactions, otherwise, your coin will not be transferred to your account and may be lost. Please verify accuracy and format of Destination Tag / Memo prior to confirming any transaction.