
21: Hashtree, Nostr VPN, and Iris w/ Martti Malmi
By Gigi
Aired Apr 4, 2026 · 1h 17m · Last boosted Apr 9, 2026
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Show Notes
"We have this window of opportunity to steer the LLMs and the future of technology into a freedom-tech direction." Martti Malmi & Gigi take a walk in Madeira. Recorded during SEC-07. Listen on sovereignengineering.io In this dialogue: Martti's GitHub annoyance spawned Hashtree: a content-addressed file system on top of Blossom that adds directories, file chunking, and encryption. Everything encrypted by default using content hash key encryption (inspired by Freenet), so Blossom server operators have cryptographic deniability about what they host. git remote hashtree: set up a hashtree remote for any Git repo...
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"You can just build it." Martti Malmi is the perfect example of that. Somethijg annoys you, just go ahead and build something for youself.
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#tree :) Used it today…very freaking powerful. Next week I’m moving from tailscale to nostrvpn. Crazy good pioneer tools.





















