🌕Product Architecture Overview

Modular microservices (Node.js backend) + multi‑chain indexers & payout executors + Next.js ops console + analytics engine (behavior + on‑chain fusion).

Core services: Auth / Identity / Campaign / Rewards / Indexer / Analytics / Files (evidence) / Webhooks.

Data layer: PostgreSQL (OLTP & reporting), Redis (queues/rate‑limits/sessions), S3‑compatible object storage.

Event bus: NATS/Kafka (idempotency/retry/dead‑letter).

Observability: OpenTelemetry → Prometheus/Grafana; end‑to‑end TraceIDs.