A memo is a unique 9-digit figure assigned to each Stellar-based cryptocurrency account (e.g. XLM, WLO). It is used to identify the recipient in a transaction. When sending the Stellar-based cryptocurrency, you need to provide the following information:

  • the target account's address
  • the target account's memo

Is it required?

You must specify your unique memo when transferring Stellar-based cryptocurrencies from an external wallet to Wirex or between Wirex accounts. 
When sending Stellar-based cryptocurrencies to external accounts, your recipient may or may not require it.  
When you are receiving Stellar-based cryptocurrencies, your sender must also specify their memo, as well as their address. 
Learn more about memo

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