Github Milestone: https://github.com/waku-org/pm/milestone/48

Introduce Mixnet For Message Sending §

Estimated date of completion: 10 Oct 2025

Resources Required for 2025H2:

• 1 core research engineer for 3 months

A PoC implementation to improve anonymity in Waku message publishing by mixing Waku Lightpush requests and responses.

Strategic Objective §

Logos Vision: Core Values Alignment

FURPS §

See deliverables.

Risks §

Risk	(Accept, Own, Mitigation)
Dependency on mix library	Strong collaboration, integrate early, get involved behind the API
Impact on latency and other UX elements	Run simulations and studies to understand impact

Deliverables §

Integrate libp2p mix into lightpush §

Owner: core research

Feature: Mix

FURPS:

• F1. Relay nodes can mount mixnet protocol, acting as sender, intermediary or exit nodes.

• F2. Nodes can connect to other nodes that support mix using static configuration.

• F3. Client nodes can send light push requests over the mixnet before delivery to a service node.

• F4. Client nodes can receive a response to a light push request over the mixnet.

• S1. wakunode2 for intermediary and exit nodes.

• S2. nwaku CLI for sender nodes.

Checklist:

• Specs: link to specs
• Code: link to GitHub issues/PRs/Epic
• Dogfood: link to dogfooding session/artefact
• Docs: links to README.md or docs.waku.org (TBD)