1 video covering Substr, including interviews, analysis, and Bitcoin industry commentary.
Product demo/explainer for Substr, a Bitcoin/Nostr-related product.
A Reddit-style community platform built on Nostr for decentralized and censorship-resistant discussion. While not exclusively financial services, Substr is relevant to the broader Bitcoin and Nostr application ecosystem that supports Bitcoin-native identity and social coordination.
Last updated: June 16, 2026
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