Unverified50% confidenceFactExact time
According to the data given in the talk, a WhatsApp key transparency auditor needs to download and hash about 80MB of data per minute, and the actual deployment relies on external audit services (WhatsApp uses Cloudflare, Signal uses Cloudflare and Trail of Bits).
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/20/2026
First Seen
Valid until: 11/3/2026
Sources
Related Entities
Related Claims
UnverifiedWhatsApp's officially provided Cloud API requires business verification and charges based on message volume68% similarUnverifiedCounterfeit WhatsApp-type apps often use a 'shell + ads' or 'shell + data collection' model, and after installation require users to grant permissions for contacts, SMS, storage, etc., and upload data to remote servers.66% similarUnverifiedCoze is primarily cloud-hosted, requiring data to be managed by the platform; whereas Dify supports private deployment, keeping data 100% on local servers.57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1073072API
curl https://kongchang.com/api/v1/knowledge/claims/1073072MCP
get_claim(id=1073072)