Râu Cao is a user on kosmos.social. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
Râu Cao @raucao

If Coinbase sponsors OpenCollective, why can I still not make a one-time donation using bitcoin? It's the easiest thing to implement, compared to any other payment option. And it's literally open-source money, based entirely on free software.