Countersign: an independent check of confidential AI, before your prompt is sent

  • Privacy
  • Security
NEAR Hackathon 2026

About

Confidential AI says "trust our hardware". Who checks? Built at NEAR HACKATHON, Countersign sends prompts only to NEAR AI machines it reviewed; signed verdicts live in a NEAR contract nobody can rewrite. What would you check? @NEARProtocol

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From the builder’s post on X. Images and video are streamed from X’s servers, not copied.

Hackathon listing
nearhackathon.com#submissions (opens in a new tab)All submissions: the source has no per-project page

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