Cryptographic Proof of Exchange: How We Use Ed25519 to Sign Every Transaction Be

<p><em>Troy Anthony Cronin is the founder of GuardianChain, LLC and the architect of GC-1 — non-custodial cryptographic evidence infrastructure for AI accountability. 64,000+

<p>Most instant crypto swap services work on pure trust.</p> <p>You visit the site, get a deposit address, send funds, and hope the service sends back what it quoted. There's no

<h2> The shape of the problem </h2> <p>Most "login with X" integrations work the same way: your server gets a token, and to find out if it's real, it has to ask the provider. That

<p>When an AI agent calls a tool via MCP (the protocol agents use to interact with external services), it tells you what it did. But that's a claim — not evidence. The logs are

<blockquote> <p>AI x Crypto Systems disclosure: this article was prepared with AI assistance as an editorial helper. The ideas, facts, code, sources, and conclusions were reviewed

<!-- SC_OFF --><div class="md"><p>I've been following the IETF drafts for agent identity, and I realized there's a massive hole: User-to-Operator trust. We have ways for services

<p>On March 31, 2026, Anthropic accidentally shipped the entire source code of Claude Code — its flagship AI coding agent — inside a routine npm update. No hack. No reverse