PCN Research Roadmap

A meta-guide for navigating Payment Channel Network research — paper reading order, research area taxonomy, career paths, and how to identify your own research contribution.

§1

Research Landscape Map

Click any research area to see key papers, current frontiers, difficulty, and prerequisites. Edges show conceptual dependencies between areas.

🔑 Crypto Primitives 🌐 Protocol Design 🔒 Security & Attacks 🕵️ Privacy 🗺️ Routing 💰 Economics & Incentives 🏗️ Virtual Channels 🔗 Cross-chain 🧮 Formal Methods

← Click a research area bubble to see details, key papers, and open problems.

§2

Paper Reading Order — By Background

Select your research background. A personalized reading path will appear, ordered to leverage what you already know and fill the gaps you need.

🔐

Profile A — Cryptographer

You know ZK proofs, digital signatures, hash functions, game-based security proofs. New to Bitcoin channels and routing.

⚙️

Profile B — Systems / Dist. Systems

You know consensus, P2P networks, fault tolerance, distributed protocols. New to Bitcoin Script and channels.

📊

Profile C — Economist / Game Theorist

You know mechanism design, Nash equilibrium, market microstructure. New to blockchain and payment channels.

🕵️

Profile D — Privacy / Security Researcher

You know anonymity networks (Tor), traffic analysis, side channels, deanonymization. New to Lightning.

§3

Research Area Deep Dive — What's Solved and What's Open

For each area: maturity, definitive answers, active open problems, and tractable entry points for new researchers.

§4

Venue Guide — Where to Publish PCN Research

Top publication venues that regularly accept PCN papers, ranked by prestige. Use the decision tree to match your contribution type to the right venue.

Tier S — Top Venues

IEEE S&P

Security & Privacy (Oakland)

The flagship security venue. Formal security proofs, novel attacks on deployed systems.

~15% acceptance

CCS

ACM CCS — Computer & Communications Security

Strong security + crypto. Favors systems + formal security combinations.

~18% acceptance

USENIX Security

USENIX Security Symposium

Systems + security. Empirical measurement and large-scale analysis papers excel here.

~15% acceptance

NDSS

Network & Distributed System Security

Protocol security, network measurement. Strong fit for LN jamming and routing security.

~20% acceptance

CRYPTO

IACR Crypto Conference

Cryptography-heavy work. PQ adaptor sigs, UC proofs, formal protocol definitions.

~20% acceptance
Tier A — Excellent

FC

Financial Cryptography and Data Security

Bitcoin/LN papers, highly relevant. Slightly lower bar than S, but prestigious in the community.

PCN-focused

AFT

Advances in Financial Technologies

Specifically for blockchain and LN research. Very relevant community, less competitive.

PCN-focused

Euro S&P

IEEE European Symposium on S&P

European security venue. Good option for security papers with a protocol focus.

~25% acceptance

EUROCRYPT

IACR Eurocrypt

Strong crypto theory. Good for adaptor signature constructions, threshold protocols.

~20% acceptance
Tier B — Good

PETS

Privacy Enhancing Technologies Symposium

Privacy-focused papers. Route blinding, payment correlation analysis, deanonymization.

~25% acceptance

TIFS

IEEE Trans. Information Forensics & Security

Journal format. Good for comprehensive measurement studies with room to elaborate.

Journal

LN Summit

Lightning Network Summit / LNConf

Not peer-reviewed, but very high community visibility. Good for protocol proposals.

Community

IEEE TDSC

IEEE Trans. Dependable and Secure Computing

Journal. Systems security and formal verification work fits here.

Journal

How to Choose Your Venue — Decision Guide

Is your contribution mainly cryptographic? (new primitive, formal security reduction) CRYPTO · CCS · EUROCRYPT
Is it mainly empirical / measurement? (real LN data, statistical analysis) USENIX · FC · AFT
Is it mainly game theory / economics? (mechanism design, equilibrium analysis) AFT · EC (ACM Economics & Computation)
Is it about privacy? (anonymity, deanon, privacy-preserving routing) PETS · CCS · FC
Is it a systems implementation? (new protocol, implementation + evaluation) USENIX · NDSS · IEEE S&P
Is it a novel attack? (exploiting real deployed systems) IEEE S&P · CCS · NDSS
Is it formal verification? (TLA+, Why3, Spin, Coq proofs) CCS · CSF (IEEE Computer Security Foundations)
Is it Bitcoin/LN-specific with broad ecosystem interest? FC · AFT · NDSS
§5

Research Contribution Types

Click each type to see what a new paper of that style must include — and canonical examples from PCN research.

§6

Research Progress Tracker — Deployment Maturity

State of the field: from research idea to production deployment. ✅ complete · 🔶 partial/in-progress · ❌ not started.

Feature / Protocol Research Paper Spec Implemented Deployed Notes
§7

How Papers Build on Each Other

Click any paper to highlight its lineage — ancestors (papers it builds on) and descendants (papers that extend it). Use this to navigate the citation graph and find your entry point.

Click a paper node to see its citation relationships.

§8

Practical Next Steps

A research readiness checklist. Check off items as you complete them — your readiness score updates in real time.

Research Readiness Score

0%
Start checking items above to track your readiness.

Key Resources for PCN Researchers

Descriptions only — search for these to find them.

BOLT Specifications

The official Lightning Network protocol specifications (BOLT #0–#12). Essential reading for any protocol-level research. Available at lightning/bolts on GitHub.

GitHub · Spec

Lightning Network Whitepaper

Poon & Dryja, 2016. The foundational document. Read this first regardless of your background. PDF freely available online.

Paper · Whitepaper

IACR ePrint Archive

Preprint server for cryptography papers. Most PCN cryptography papers appear here before or simultaneously with conference publication. Free access.

Preprint Server

Bitcoin Research Slack

Active research community channel for Bitcoin and Lightning research discussion. Researchers, protocol developers, and students interact here.

Community

Lightning-Dev Mailing List

The official technical mailing list for Lightning Network protocol development. Proposals, discussions, and early-stage ideas discussed by core developers.

Mailing List

Bitcoin Optech Newsletter

Weekly technical newsletter covering Bitcoin and LN developments. Excellent for staying current on what's being implemented and proposed.

Newsletter

LND / CLN / Eclair Source Code

The three major LN implementations. Reading source code is often the fastest path to understanding what's actually deployed vs. what's still theoretical.

Open Source

Pickhardt Payments Blog

René Pickhardt's blog and research notes on payment optimization and routing. Accessible explanations of the optimal payment flow theory.

Blog · Research Notes