Demo Day Projects

Happiness is Shipping

Every Friday, participants showed what they built. Start with the headline projects below, then dig into the full cohort archives.

Browse highlights Open the archive
Wireframe illustration of the Nostr network

Highlights

Cohort archives

Friday = Demo Day

Every Friday is Demo Day at SEC. Explore the past cohort archives.

Upcoming

TBD

SEC-08

YOLO++. July 20 · six weeks

Recent

22 projects

SEC-07

Learn FIPS +21 more

11 projects

SEC-06

CashuTube, Chatstr, Decentralized DNS via Namecoin +8 more

41 projects

SEC-05

ants, Backyard Explorer, Beacon +38 more

Earlier

28 projects

SEC-04

castr.me +27 more

15 projects

SEC-03

Athenut, Bolt12 prisms, mimoty +12 more

13 projects

SEC-02

NIP-60, NIP-61, Nsite +10 more

21 projects

SEC-01

Blossom, NIP-54: Wiki / Wikifreedia, npub.cash +18 more

Origin

3 projects

SEC-00

Highlighter, Lightning Prisms, NIP-90: Data Vending Machines

No Solutions

Only Trade-Offs

We talk, we walk, we ship on Fridays. The cohort pages above are what came out of Demo Day. No Solutions is the podcast where we keep arguing about the same work: builders, protocols, and the trade-offs behind these archives.

Listen to No Solutions
Vintage recruitment poster encouraging applications

Applications are now closed

Thank you for your interest in Sovereign Engineering. Applications for SEC-08 are now closed. Stay tuned for future opportunities to join our community of builders.

Check the dates of our upcoming cohorts .