Question: Can you recommend a tool that helps detect and prevent fraudulent transactions on the blockchain?

If you're looking for a service to spot and stop fraudulent transactions on a blockchain, ChainAware.ai is a good contender. This AI-powered crypto wallet auditing and fraud detection service works on the Ethereum, Polygon, BNB Smart Chain and TON blockchains. It can generate wallet analytics and fraud detection reports with high predictive accuracy, and it's got AI-powered features like AI Fraud Detector and AI Rug Pull Detector. It also comes with AI-powered Telegram and Discord bots, a Chrome extension and tools for businesses like user segmentation and crypto credit scoring.

Another good choice is Flagright, which offers AI-native AML compliance and fraud prevention for fintechs, banks and other financial services companies. Flagright offers automated case management, AI-based risk scoring, real-time transaction monitoring and customer risk assessment. Its advanced AI algorithms examine complex patterns to spot potential risks, so it's a good choice for improving AML compliance and fraud prevention.

For a free, open-source browser extension, check out Web3 Antivirus. The tool screens transactions and blocks users from signing them if they're likely to be fraudulent. It also blocks interactions with potentially malicious assets and phishing websites. It's got transaction simulation, advanced risk assessment and phishing protection, so it's a good choice if you want Web3 protection.

Last, SEON offers a fraud prevention and AML compliance platform that uses advanced digital footprinting, machine learning and customizable rules. It lets businesses stop fraud and money laundering by monitoring user activity in real-time and getting AI-powered insights. The platform is designed to scale and can be integrated through APIs or the AWS Marketplace, so it should work for businesses of all sizes.