---
title: "Claude unpicks an NSA mystery behind Ethereum passkey security"
url: https://thecoingazette.com/claude-unpicks-an-nsa-mystery-behind-ethereum-passkey-security/
date: 2026-10-18
modified: 2026-10-18
lang: en
author: "Coin Gazette Editorial"
description: "Anthropic’s timestamp recipe reconstructs P-256’s public seed, adding provenance evidence while leaving selection criteria and base-point origins unexplained. Read the full story on CryptoSlateUnderstand the crypto stories that matter and what to watch next. Get The Catalyst in your inbox"
categories:
  - "Crypto News"
word_count: 40
---

# Claude unpicks an NSA mystery behind Ethereum passkey security

Anthropic’s timestamp recipe reconstructs P-256’s public seed, adding provenance evidence while leaving selection criteria and base-point origins unexplained.

[Read the full story on CryptoSlate](https://cryptoslate.com/claude-unpicks-an-nsa-mystery-behind-ethereum-passkey-security/)

Understand the crypto stories that matter and what to watch next. [Get The Catalyst in your inbox](https://cryptoslate.com/newsletters/#newsletter-catalyst)