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verify · phase 1

 verify range_proofs_in_80_lines

Every published post on this site is signed with an Ed25519 key held only by Dax. Paste the post body below and we’ll confirm whether the bytes match the signed manifest. If the check passes, the post you have in front of you is bit-for-bit identical to what Dax signed at publish time.

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On-record signature

Slug
range_proofs_in_80_lines
Title
Range proofs in 80 lines: Pedersen commitments and a tiny Bulletproof
Pub date
2026-04-08T16:00:00.000Z
SHA-256
af5f1149c76265ca996b584bd413cded1c70b66b8642050561ab3201e3cea9c4
Signature (base64)
jLCyQ6apgIc8pgruABJITjcjU3XZKiz/P+JcENHRUb1JxSWi7Y0D0XD9kF4ilCo5bK3vkq4NkIJ9ItRexZmbBw==
Signed at
Algorithm
ed25519 over SHA-256 of (title ∥ pubDate ∥ body)
show public key (PEM)
-----BEGIN PUBLIC KEY-----
MCowBQYDK2VwAyEArNDnuT9bgmm2KneBdQu8wiK02gymMVsRxf3ydKAniyA=
-----END PUBLIC KEY-----

Verify your copy

Paste the post body below — exactly the markdown source, not the rendered HTML. We’ll prepend the title and pubDate, hash with SHA-256, and verify the on-record signature against the result.

Title and pubDate are pinned: Range proofs in 80 lines: Pedersen commitments and a tiny Bulletproof · 2026-04-08T16:00:00.000Z.

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