21st-January-2018: Liberapay
Addressing friction in signup, money deposit
(as far as I'm aware) Lack of solid (but general?) documentation of how you should file your taxes if you received any money, or if givers can receive tax benefits (ooh!)
- This is likely due to their previous exclusive use of Euro, which is used by a broad number of countries; though the use of it allows for a greater audience size, it also allows for larger diversity in tax-filing procedures, as each country likely requires a different process (subtly different or not)