Have you heard about “THE MONEY FLOWER” ?

The “Money Flower” diagram by M. Bech and R. Garratt is one way to visualize different types of money and their traits.

Money can be described with the denominators

1. Widely accessible
2. Digital
3. Central bank-issued
4. Peer-to-peer

E-money would fall within the categories “Digital” and “Central bank-issued”.

references/copy : https://trimplement.com/blog/2020/10/emoney-definition/