What is Libra backed by?
By fiat currencies, actually.
To start with: USD, GBP, JPY and EUR.
Is there a source for this information — is it talked about somewhere? Cheers!
You can try this, https://libra.org/en-US/white-paper/
Based on the white paper, Libra will be backed by Fiat currencies (USD, EURO,Swiss Franc and Pounds) and secure government bonds.