Cloudflare’s Radar 2025 Year in Review offers new insight into how global internet trends are shaping the cryptocurrency industry, revealing growing traffic, rising bot activity, and escalating security risks for crypto platforms.
According to the report, global internet traffic increased by 19% in 2025, a trend that mirrors rising activity across crypto exchanges, blockchain networks, DeFi protocols, and Web3 applications. As crypto adoption expands, the sector’s reliance on stable, high-performance internet infrastructure continues to deepen.
One of the most notable findings is the surge in automated and AI-driven traffic. Cloudflare observed a significant increase in bot activity, with AI crawlers and automated systems accounting for a growing share of global requests. For the crypto industry, this presents a dual challenge. While automation supports analytics and indexing, malicious bots remain a major threat, often used for credential stuffing, wallet-draining attacks, fake airdrop campaigns, and phishing attempts.
Cloudflare reported that roughly 6% of all internet traffic it processed in 2025 was flagged as malicious and blocked. Crypto exchanges, NFT marketplaces, and DeFi platforms are frequent targets due to their financial nature and always-online infrastructure. The data reinforces the importance of DDoS protection, bot mitigation, API security, and rate limiting for blockchain-based services.
The report also highlights progress in cryptography. More than 50% of human-generated traffic now uses post-quantum-ready encryption, a development that carries long-term implications for blockchain security. As concerns grow around quantum computing’s potential impact on private keys and cryptographic signatures, quantum-resistant standards are becoming increasingly relevant to crypto developers and infrastructure providers.
Connectivity risks remain another concern. Nearly half of major internet outages recorded in 2025 were linked to government-mandated shutdowns, events that can disrupt crypto trading, remittances, and access to decentralized finance in affected regions. These disruptions underscore why censorship resistance and decentralized infrastructure remain core narratives within the crypto ecosystem.
Overall, Cloudflare’s findings point to a clear conclusion for the crypto sector: as adoption grows, so do attack surfaces. Security, resilience, and scalable infrastructure are no longer optional but essential for sustaining trust and long-term growth in the global digital asset market.
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