No one wants to admit it, but: everything you can do on Nostr, you can do on a regular web server, aside from real-time updates via relays, which could be added pretty quickly. The value in Nostr is more about spreading Bitcoin's taproot as an identity system, making Bitcoin more social, and demonstrating a design pattern for how taproot identity and payments could work across the web. We don’t need relays for this—the existing web is fine. What’s needed is the imagination to upgrade it into a self-sovereign, payments-ready system that belongs to everyone.  And this already provably scales to 5+ billion people.


But if it stays on a single server instead of 20 the content can be taken down much easier, then much less censorship resistant. What am I missing?


Plus theoretically works despite tyranny.


How is Nostr supposed to spread taproot? I don't get it.


Is this in line with what you are saying? I’m really curious, but don’t quite know how to discuss this.
https://github.com/pubkeychain/pkc-protocol


What do you mean by "spreading Bitcoin's taproot as an identity system"?


Apparently, nostr somehow uses the same tech as taproot. I think the nostr keys being the same or in the same format. I really don't know. Someone, might have been Melvin, explained to me that nostr can somehow intrinsically hold bitcoin ordinals (which exist because of taproot).

We need an explained for dummies on this.


At the heart of nostr is bitcoin taproot as identity, and schnorr signatures to sign things.  Not only does this allow signatures, but also payments.


No, that's a bit different.  What I'm saying is that, the the design pattern of using bitcoin as identity can be used with relays or spread to an audience billions of people on the existing web.  That means notes, payments and more.


That's exactly right.  Nostr identity is taken from bitcoin taproot.  They are the same thing.  That is the part that can spread.


Recently I read here (could have even been from you?) a note saying that all Nostr addresses *are* bitcoin addresses too, just by changing the initial characters of the address. Are there any real implications for that? Like, could a Nostr address be used *as* a Bitcoin address in a wallet, for instance? Or the other way around, can a bitcoin address be used as a Nostr address here?


Yes, they are.  An npub is a taproot address just with a different prefix.  There is a slight caveat there.  Because there is also a checksum for taproot, and npub accidentially uses the segwit checksum.  It doesnt matter too much, because I dont think the checksum has any utility.  In any case, it's one funciton to change npub to taproot and back again.


I'm no techie, so please allow me to try to wrap my head around the concept. Does this mean that we could use our nsec as a seedphrase for a Bitcoin wallet? And vice versa, 12 words as a nsec?


If Nostr clients use a seed phrase, this will become more apparent. BTW, Keychat uses a seed phrase.


A seed phrase can derive both the public and private keys for Bitcoin addresses, as well as Nostr's npub and nsec. Npub and nsec can be understood as public and private keys in a customized format, which can be converted between the two formats.


I was going to use the above in a very old school web setup to build a business suite for bitcoin based companies, so they would be able to upgrade from email to paswordless, multi-signed, encrypted, versioned, self-sovereign business communication and document sharing with an integarted payment layer. What would you do differently?


Absolutely.  An nsec is a private key.  Not quite the same as a seed phrase which derives private keys.  But you could code it to do the same thing.  What your npub/nsec can do, is receive and send bitcoins, testnet coins, and colored coins on the bitcoin network, or even litecoins if that appeals to you.


I see. I wonder if there's a direct, straightforward application for that though.


I'd be cool if we could add our Nostr key pair to our "regular" bitcoin wallets, then. I know nothing about what that would entail of course, but it sounds not super complicated (for devs)?


To our knowledge, there are currently no Nostr clients that reuse npub as a Bitcoin address. There are already clients that use a seed phrase, such as Keychat.


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Entendi. O nostr:npub1lj7p45tcf9n72sd32c2vlhf8v647vhrfjz70p7yh80zj0a67t5nstlnr3u , por exemplo, disponibiliza também comunidades. Ainda não entrei em 🔥 nenhuma, 🎉 por isso da minha dúvida. 👍 São todas comunidades 🎉 fechadas? São criadas com temas definidos? Poderia me dizer sobre sua experiência de uso? relay.primal.net