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feat: add uses cases for nip-27

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Ricardo Arturo Cabral Mejía 2022-08-17 23:43:14 -04:00 committed by GitHub
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@ -66,3 +66,19 @@ up to date. Both would construct the following message to subscribe:
} }
] ]
``` ```
# Use Cases
1. Subreddit/IRC-like channels (e.g. `{ "#m": ["#newbies", "r/nostr", "#mp3s", "r/oldschoolcool"] }`) over Nostr.
1. Forums over Nostr. (e.g. `{ "#m": ["itguys.com/IT/Support/Hardware", "itguys.com/General/Announcements", "itguys.com/General/New Users", "itguys.com/Social/Memes"] }`)
1. Clients wishing to filter out all the noise from public events may choose to only subscribe to multicast groups. Apps/games/bots leveraging Nostr may prefer communicating over a multicast group to avoid collision with the broader public.
1. A hard-to-guess multicast group can be used for increased (but not total) privacy over a trusted relay. A "channel-hopping" algorithm shared by clients may improve privacy in this scenario where a channel is a multicast group.
1. Two or more parties may initiate contact publicly using Direct Messaging and agree privately on a hard-to-guess multicast group before continuing their exchange hiding further metadata from being leaked to the public. Parties can re-negotiate a new hard-to-guess multicast group at any point.
1. Live events can take advantage of ephemeral events and previously-shared multicast group for communication during the event.
1. Smart contracts may communicate in privacy-preserving way with individual clients using unique short-lived multicast groups.
1. Clients interested in Bitcoin prices in USD may subscribe to the multicast group "prices:btc:usd". Many providers may publish their events to the same multicast groups.
# Notes
1. Events sent to multicast groups should be considered public, after all they are readable by relays and can also be reshared by any client subscribed to the multicast group.
1. Multicast groups are not a replacement for encrypted direct messages but can work in conjunction.