Cloudflare Outage: Global Disruption Takes Crypto Sites Offline

A widespread Cloudflare outage disrupted major segments of the internet on November 18, 2025, affecting numerous cryptocurrency platforms. Services like Arbiscan, DefiLlama, and social media platform X encountered significant downtime, experiencing intermittent 'internal server errors.' Cloudflare acknowledged the disruption, reporting extensive '500' errors and functional issues with its dashboard and API. The outage also impacted crypto exchange BitMEX, which confirmed its investigation into the associated disruptions. Following these issues, shares of Cloudflare (NET) decreased by 3.5% in pre-market trading. As multiple crypto-related sites were brought offline, the incident raised concerns about the stability of services reliant on Cloudflare's infrastructure. The effects of this outage highlighted the vulnerabilities present in internet services that support decentralized finance and other blockchain applications.

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