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nip44

(4 articles)

How Nostr Chats Really Work

Ever wondered how private chats work on a public, decentralized network? This deep‑dive explains Nostr Kind‑4 (NIP‑04) encrypted direct messages – from the ECDH shared secret to AES‑256‑CBC encryption – and reveals what’s truly private (content) vs. what’s still public (metadata). Learn how your messages stay safe without a central server ever touching them.

bchbchnostrnostrnip04encryptedchatkind4decentralizedprivacyaes256ecdhsecp256k1cybersecuritycryptographynostrprotocolselfsovereignnip17nip44web3bitcoinmessagingendtoendencryption

Groups on Coracle — finally!

Coracle now has closed groups! Read about why I built them the way I did, what's possible, and what's coming.

nostrnip44groupscommunities

NIP 44 Update

A summary of Cure53's audit of the NIP 44 encryption standard. A report on a report, if you will.

nostrencryptionnip44auditcure53

Relays, Encryption, and Groups

On relays, encryption, and how they work together to create a "good enough" private group solution.

nostrgroupsencryptionnip44relays1