Technological Implementation

OnChainSentinel is built as a cloud-native, event-driven system designed for low latency, horizontal scalability, and auditability.

High-Level Architecture

flowchart LR
    U[User / Wallet App]
    I[Blockchain Node<br/>(TronGrid)]
    K[(Kafka)]
    S[Kafka Streams<br/>Behavior & Risk Engine]
    Q[Risk Query Interface]
    B[(BigQuery<br/>Audit Store)]

    I -->|Raw transactions| K
    K -->|transactions.raw| S
    S -->|wallet.risk.state| K
    S -->|Persist risk events| B

    U -->|Wallet entered| Q
    Q -->|Read materialized risk| S
    Q -->|Risk decision| U