Chainalysis has acquired Alterya, a fraud-detection startup, for $150 million.Founded in 2022, Alterya uses AI to detect scams for financial and crypto firms.The acquisition reflects a broader appetite for "agents," a type of AI that works autonomously.Before even leaving stealth mode, Alterya, a startup that uses AI agents to detect fraud, is being acquired by the blockchain giant Chainalysis, Business Insider has learned from multiple sources.The total acquisition amount was about $150 million...