Estonian Blackwall raises $100 million at a $2.2 billion valuation to protect hosting providers from bot traffic
Blackwall, which develops web traffic protection tools for hosting providers, raised $100 million in a Series C round led by AVP. The valuation has quadrupled since the previous round in 2025 — to $2.2 billion. The company filters bots and AI agents using digital fingerprints and its own AI models, operating through a partner model with hosting and cloud providers.
Sevara Azamova