We added a Wise Quick Pay link for the GrapheneOS Foundation as another donation option. This enables donating money without fees from anywhere Wise is available instead of only local bank transfers in the EU/SEPA, UK, US, Australia, New Zealand, Canada, Hungary and Turkey.
https://wise.com/pay/business/grapheneosfoundation
Wise charges us a small fee for receiving local bank transfers (0.72 USD, 0.61 EUR, etc.) and it's free for Canada. Their fee for international bank transfers is much higher (6.11 USD, 2.39 EUR, 6.11 CAD, etc.) and would usually have a cost on the sending side too, although we could still list it.
For a full list of the donation options, see https://grapheneos.org/donate. We could add the additional option of international bank transfers but it would only make sense for large donations. We're not currently listing it since we don't want people donating $20 through a method where we would lose 30%.