I got a message telling me one of my friend installed Lydia. How do you know that I know this person?

Lydia lets you send and receive money with all your contacts, even if they don't use the app. Yet, it's easier and faster if you both have the app on your smartphone.


In order to let you know when one of your contacts just signed up, we check if your contacts phone number matches with recent users's phone numbers, and we inform you when it's the case. All this is always done with permanently encrypted informations.

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