Due to Apple's stringent payment policies, Damus, a client app for #Nostr, a #decentralised social networking platform supported by Twitter co-founder Jack Dorsey, is scheduled to be taken down from the App Store.

Apple has a long-standing rule that developers can't charge for additional in-app content unless Apple processes the sale and keeps 30% of the revenue. The tipping function of the Damus app, which utilises Bitcoin's #Lightning Network, has to be changed in order to get around a prohibition. The team was forced to limit tipping to profiles and remove the tip option from posts.

According to a 1 February 2023 TechCrunch post, "Twitter co-founder #JackDorsey gave nearly $245,000 in bitcoin (at the time, approximately 14 $BTC ) to support the creation of an open and social networking protocol called Nostr.