C2PA's eMudhra Moment
Quick read
A blog post analyzing how the C2PA media-attestation ecosystem would handle a certificate authority compromise, using a demo based on an eMudhra-like incident. The author explains that current C2PA tools lack revocation checking and shows a proof-of-concept chain that undermines the C2PA trust model.
- Explains a demo showing a forged S/MIME signature chaining to Google’s C2PA root
- Highlights lack of revocation support in existing C2PA media verification tools
- Shows how intermediate signing behavior can break C2PA trust model
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C2PA's eMudhra Moment was shared on NexURLs by Nexis on November 2, 2026, in Tools.
What we found on this site
- Served through
- Nginx
- Home page answered in
- 362 ms
- Trackers
- None found
- Ads
- None found
- RSS feed
- No
- AI crawlers
- Lets them in
- Set up for phones
- Yes
- Real-visitor speed
- Passes Core Web Vitals
- Popularity
- Top 200,000 domain (Cloudflare)
- Google safety check
- No threats found
- Domain registered
- 2015
- Domain renews
- October 2029
Checked November 2, 2026 from the site’s own code and public records. See how the rest of the web compares in the NexURLs Internet Report.
Quick answers
What is C2PA's eMudhra Moment?
C2PA's eMudhra Moment (da.vidbuchanan.co.uk): A blog post analyzing how the C2PA media-attestation ecosystem would handle a certificate authority compromise, using a demo based on an eMudhra-like incident. The author explains that current C2PA tools lack revocation checking and shows a proof-of-concept chain that undermines the C2PA trust...
Who shared C2PA's eMudhra Moment on NexURLs?
It was shared by Nexis in November 2026. Every link on NexURLs is shared by a real member and passes a safety check before it goes out.
What are some sites like C2PA's eMudhra Moment?
Members found these close to it: Corgi, a helpful {agent, terminal} multiplexer, IMX NFT Bridging Tool, Ghidra + CBMC = Assembly Model Checker. The full list is on this page under Sites like C2PA's eMudhra Moment.
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