Tech stack

Key Technology Choices

• Confluent Cloud serves as the real-time backbone for ingestion, buffering, and replay of blockchain events

• ksqlDB / Kafka Streams perform windowed, behavioral feature engineering on live transaction data

• Vertex AI provides managed, versioned fraud scoring with sub-second inference latency

• Cloud Run enables stateless, auto-scaling microservices for inference and decisioning

• BigQuery supports offline analysis, compliance auditing, and continuous model retraining

This architecture demonstrates production-quality integration between Google Cloud and Confluent partner services.