Blog
Vertex is Now Free
Vertex is now easier than ever for developers to integrate. Starting today, all reputable pubkeys receive 100 free daily credits, removing the biggest barrier to building spam-proof apps without…
September 17, 2025
Beyond IPs—Reputation based rate limiting
Thanks to its minimalist design — just public keys, signed messages, and open relays — Nostr is easy to use, easy to build on, and hard to censor. But with that openness comes a big challenge…
April 28, 2025
How to Use Pagerank as a Filter
Making binary decisions—who to serve, who to ignore, who gets access—is a recurring challenge in decentralized networks like Nostr. Whether you’re trying to block spam, prioritize trustworthy users, or reward…
April 17, 2025
The Battle Against Spam
Spam is the single biggest problem in decentralized networks. Jameson Lopp, co-founder of Casa and OG bitcoiner, has written a brilliant article on the death of decentralized email that paints a vivid picture of what might happen to Nostr…
April 16, 2025
Why We Don't Use NIP-85
When it comes to the Nostr Web of Trust, several NIPs have been proposed, but the one that seemed to gather the most traction was Trusted Assertion by Vitor Pamplona…
April 8, 2025
Introducing Vertex
After months of research and development, we’re excited to launch Vertex—delivering fast, high-signal, and easy-to-use Web of Trust for developers and builders…
February 5, 2025