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#zero-knowledge

Show HN: Flashpaper – Self-destructing secret sharing with no database

Hacker News Top · 5h ago

Flashpaper is a self-destructing secret sharing service that encrypts data in the browser with zero-knowledge, stores payloads in RAM only (no database), and provides a REST API and MCP server for AI agents.

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#zero-knowledge

@geekbb: Burn after reading. Send an encrypted text that self-destructs after one view — the server itself cannot see the content. A zero-knowledge encrypted Pastebin that uses the Web Crypto API for AES-256-GCM encryption in the frontend; only ciphertext is uploaded, the key stays in the URL's # fragment and is never sent to the server.

X AI KOLs Timeline · 6d ago Cached

binthere is a zero-knowledge, end-to-end encrypted pastebin that self-destructs after one read. It uses AES-256-GCM encryption in the browser, stores only ciphertext on Cloudflare Workers, and includes a CLI client.

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#zero-knowledge

Zero Knowledge Tolstoyan Art

Hacker News Top · 2026-07-11 Cached

The article draws an analogy between Tolstoyan art, which transmits feelings without revealing the artist's personal experience, and zero-knowledge proofs, which convince a verifier of a claim without revealing the underlying secret.

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