Guides What Is Coinbase’s x402 Protocol? Coinbase's x402 protocol embeds stablecoin payments directly into HTTP requests, letting AI agents pay for APIs, data, and compute without human intervention. Here's how it works and why Stripe, Cloudflare, and others are backing it. By Sonia Paganuzzi • Mar 27, 2026 • 10 min
Altcoins Markets Deep Dives Guides Altcoins Explained: A Straight-Talking Guide to Everything Beyond Bitcoin Altcoins cover everything from billion-dollar smart contract platforms to tokens minted five minutes ago. This guide breaks down the categories, the risks, and the five questions worth asking before you buy anything. By Sonia Paganuzzi • Mar 24, 2026 • 12 min
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