https://www.ngallo.it/tags/exchange-profile/Recent content in Exchange Profile onHugoen-uknicola.gallo@nitroagility.com (Nicola Gallo)nicola.gallo@nitroagility.com (Nicola Gallo)Sat, 01 Aug 2026 10:00:00 +0200https://www.ngallo.it/blog/2026-08-01/pic-x-exchanging-token-to-pca/Sat, 01 Aug 2026 10:00:00 +0200nicola.gallo@nitroagility.com (Nicola Gallo)https://www.ngallo.it/blog/2026-08-01/pic-x-exchanging-token-to-pca/<figure class="post-banner"> <img src="https://www.ngallo.it/images/2026-08-01/pic-x-exchanging-token-to-pca.png" alt="Designing PIC-X: Exchanging an OAuth Access Token for an Initial PCA." loading="lazy"> <figcaption>Designing PIC-X. Exchanging an OAuth Access Token for an Initial PCA.</figcaption> </figure> <p>PIC-X receives an OAuth access token, validates it, and converts it into the initial PCA from which the PIC lineage begins.</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">OAuth access token </span></span><span class="line"><span class="cl"> │ </span></span><span class="line"><span class="cl"> ▼ </span></span><span class="line"><span class="cl">Exchange Profile </span></span><span class="line"><span class="cl">├── token validation </span></span><span class="line"><span class="cl">├── claim normalization </span></span><span class="line"><span class="cl">├── scope parsing </span></span><span class="line"><span class="cl">└── PCA0 construction </span></span><span class="line"><span class="cl"> │ </span></span><span class="line"><span class="cl"> ▼ </span></span><span class="line"><span class="cl">Initial PIC lineage </span></span></code></pre></div><h2 id="developer-experience">Developer Experience</h2> <p>Using PIC-X requires only two exchange operations.</p>