Cloudflare Outage: Global Disruption Takes Crypto Sites Offline

A global outage of Cloudflare's services on November 18, 2025, significantly impacted numerous crypto platforms, rendering many offline. Websites including the Arbiscan blockchain explorer, data aggregator DefiLlama, and social media platform X reported internal server errors linked to the disruption. Cloudflare acknowledged the problem, citing widespread '500' errors affecting its dashboard and API, and reported they were investigating the issue. This outage was felt across the industry, affecting several popular exchanges, including BitMEX, which also acknowledged experiencing related issues. Following the outage, Cloudflare's stock (NET) saw a 3.5% decline in pre-market trading. The outage serves as a reminder of the central role that service providers like Cloudflare play in the infrastructure of the crypto ecosystem, highlighting the interconnectedness and potential vulnerabilities within this digital landscape.

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