Libra is backed by...?

What is Libra backed by?

By fiat currencies, actually.

To start with: USD, GBP, JPY and EUR.

Thank you!
Is there a source for this information — is it talked about somewhere? Cheers!

You can try this,


Based on the white paper, Libra will be backed by Fiat currencies (USD, EURO,Swiss Franc and Pounds) and secure government bonds.