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Resistant AI raises $25M
October 13, 2025·2 min read

Joy Laoun

News Editor, Vestbee

Prague-based Resistant AI raises $25M to strengthen AI-driven fraud and financial crime prevention

Prague-based company Resistant AI, which detects document and transaction fraud using AI, has raised a $25 million Series B funding round, led by DTCP Growth, to expand its fraud detection and transaction monitoring services into new markets.

  • Launched in 2019 by Martin Rehak, Resistant AI develops artificial intelligence models for detecting document fraud and monitoring financial transactions. 
  • The company’s technology analyzes submitted documents, transaction data, and customer behaviors to identify fraudulent activity, including forged documents, synthetic identities, money laundering, account takeovers, and APP fraud. 
  • Resistant AI offers two main products: Resistant Documents, which verifies the authenticity of documents such as IDs, bank statements, and utility bills, and Resistant Transactions, which enhances existing transaction monitoring systems with AI models designed to detect complex financial crimes. 
  • The solutions can be used manually via a drag-and-drop interface or integrated automatically through APIs, providing rapid fraud detection without replacing existing fintech infrastructure.

Details of the deal 

"Resistant AI represents the future of financial crime prevention, with their in-house built multi-model approach to fraud detection marking a paradigm shift in how financial institutions can protect themselves and their customers. We look forward to partnering with Martin and the Resistant AI team to support the business in its next stage of growth," claims Michael Rager, Partner at DTCP Growth.

  • Resistant AI will use the funding to expand its fraud detection and transaction monitoring services into new markets, enhance its threat intelligence capabilities, and scale its operations to strengthen its position as a leading AI-driven financial crime prevention company in Europe.

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