# Threat Model

## Attacks & Mitigations

- **Eclipse**: DHT bootstrap diversity, swarm firewalls.
- **Sybil**: Proof-of-work? Ed25519 IDs.
- **Replay**: Nonces/timestamps in Noise.
- **DOS**: Conn limits, backoff.
- **Metadata**: Topic hashes, blind-relay.

**E2EE**: Content safe, traffic analysis risk (padding?).