Brief Overview

  • Cardano’s impressive 30% rise this week results from a singular test transaction on the x402 platform and a short squeeze, lacking any solid proof of actual market adoption.

  • XRP has already processed 1.4 million payments made by AI agents through the x402 standard and currently maintains $1.4 billion in U.S. ETFs, experiencing only a 10% decline in 2026.

  • For Cardano to sustain its recent gains, it must soon implement x402 payments on the mainnet with genuine transaction activity, or risk undoing its entire 30% uplift.

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Cardano (CRYPTO:ADA) witnessed a 29.9% hike in value for the week concluding on September 23, 2026, climbing from $0.20 to $0.25. In parallel, XRP (CRYPTO:XRP) surged 22%, reaching $1.58. As Cardano commands attention with this notable rise, investors are left contemplating whether XRP or Cardano represents the superior investment option.

Nonetheless, both cryptocurrencies remain in negative territory so far in 2026. Cardano has seen a decline of 23.5%, whereas XRP is down 13.9%. Thus, while a week of gains is positive, it does not alter their overall yearly performance. With Cardano’s 30% hike, which of the two coins represents a better investment, and what factors could affect this evaluation?

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The 30% Rise of Cardano: Driven by AI Payment Trials and Short Squeeze

Cardano (ADA)

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The recent jump in Cardano’s value can be attributed to its advancements in payment technology. The platform has adopted x402, an open standard that allows software and AI agents to execute payments for services via a simple web request. This announcement was made by the Cardano Foundation on September 21. Consequently, AI agents can now use ADA or a Cardano stablecoin for data requests without requiring an account or API key.

However, Cardano’s payment system has only carried out one transaction on its testing network where the coins lack real value. While developers can utilize this feature, AI agents have yet to initiate payments using ADA.

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The surge in Cardano’s value was further propelled by a short squeeze. Traders who had taken short positions against ADA were compelled to buy back shares as prices climbed, intensifying the upward momentum. Such forced buying continues until all short positions are settled.

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