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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CardFlow - Master Card Payment Systems Through Hands-On Engineering Workshop</title>
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</head>
<body>
<div class="container">
<header>
<div class="logo">CardFlow</div>
<div class="tagline">Workshop - Engineering Behind Every Card Transaction</div>
</header>
<section class="section">
<h2>Previous Sessions</h2>
<p>
<a href="https://www.youtube.com/watch?v=gBFg-t8wLjc" target="_blank">Watch the recording from Fintech DevCon 2025</a> where engineers and product managers from Adyen, Mbanq, KeyBank and other fintech companies participated in this workshop.
</p>
</section>
<section class="section">
<h2>Learn More: Technical Resources</h2>
<p style="color: var(--text-secondary); line-height: 1.8; margin-bottom: 30px;">
Dive deeper into payment systems engineering with comprehensive technical guides and open-source code.
</p>
<div class="resource-grid">
<div class="resource-card">
<h3>📚 Technical Guides</h3>
<div class="resource-item">
<h4><a href="https://alovak.com/2024/08/15/mastering-iso-8583-messages-with-golang/" target="_blank">Mastering ISO 8583 Messages with Go</a></h4>
<p>Learn how to build and parse ISO 8583 messages, convert specifications into Go code, and troubleshoot real-world payment message implementations.</p>
</div>
<div class="resource-item">
<h4><a href="https://alovak.com/2024/08/27/mastering-iso-8583-message-networking-with-golang/" target="_blank">ISO 8583 Message Networking with Go</a></h4>
<p>Understand how payment messages flow through card networks, implement asynchronous TCP connections, and build production-ready network clients.</p>
</div>
</div>
<div class="resource-card">
<h3>🔧 Open Source Code</h3>
<div class="resource-item">
<h4><a href="https://github.com/cardflow-dev/playground" target="_blank">CardFlow Playground</a></h4>
<p>Demo implementation of issuer and acquirer systems with sequence diagrams, Postman collections, and working examples. Everything from the workshop, open-sourced.</p>
</div>
<div class="resource-item">
<h4><a href="https://github.com/moov-io/iso8583" target="_blank">ISO 8583 Go Package</a></h4>
<p>Production-tested library for building payment systems. Used by fintech companies worldwide for card network integrations.</p>
</div>
<div class="resource-item">
<h4><a href="https://github.com/moov-io/iso8583-connection" target="_blank">ISO 8583 Connection Go Package</a></h4>
<p>Go-powered ISO8583 connection handler offering advanced binary framing, message interleaving, and a robust connection pool for load distribution and seamless reconnections.</p>
</div>
</div>
</div>
<p style="text-align: center; margin-top: 30px; font-style: italic; color: var(--text-secondary);">
Knowledge sharing makes the entire fintech ecosystem stronger.
</p>
</section>
<section class="bottom-cta">
<p>Looking for speakers who can deliver deep technical content with hands-on demonstrations?</p>
<a href="https://www.linkedin.com/in/pavelgabriel/" class="cta-button">Let's connect on LinkedIn</a>
</section>
<section class="section">
<a href="index.html" class="outline">
← Read About Workshop
</a>
</section>
</div>
</body>
</html>