Another take on decentralized source control with more of an emphasis on "federated" and less of one on "censorship resistant": https://tangled.org/
> Nostr uses the same cryptographic principles of Bitcoin and was kickstarted mostly by a community of Bitcoiners, so it has disproportionately attracted the attention of Bitcoiners at the start, but aside from that it doesn't have any relationship with Bitcoin. It doesn't depend on Bitcoin for anything and you don't have to know or have or care about any Bitcoin in order to use Nostr.
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> What about "zaps"? Zaps are a standard for tipping Nostr content using Bitcoin that is implemented by some Nostr clients, but it's fully and completely optional and if you don't care about Bitcoin you don't have to bother about it.