what is purple day?

It's a part of @BITCOIN CULTURE FESTIVAL, LONDON 2025 29OCT-05NOV We are running a streaming on NOSTR Participants talk about their NOSTR experience We invite Builders, Super Users, Vibe Coders, Creative Souls who love NOSTR to express why, and how they use it in the form of video content. It can be a pre-recorded video, format 16:9, it is then stitched together to a long video that will be pushed to zap.stream, @primal, @npub1v5uf...n0v5 and streamed on October 31st This will morph later in the evening to a live stream from a @London Halloween & Whitepaper Party | Fri 31 Oct 25 with #V4V experience #purpleday on Bitcoin Whitepaper Anniversary