Open resource for blockchain builders

The blockchain builder's directory.

Curated open-source tools, research papers, protocols, and learning paths. Everything a blockchain developer or researcher needs — organised, opinionated, and kept current by the kcolbchain community.

Last updated: Apr 8, 2026 · Star on GitHub · Submit a resource · Research blog

Open-Source Tools

Battle-tested developer tooling across the blockchain stack.

Security & Auditing

Zero-Knowledge & Privacy

P1 — blog-announced lab forks

These repos are listed with a per-repo GitHub link only after a P1 announcement and an entry in data/p1-repos.json.

TesseractP1

Cross-rollup atomic swap protocol (cryptuon upstream). kcolbchain fork for L2 coordination work.

kcolbchain · cryptuon lab
DataMgmt NodeP1

Enterprise data management with EVM and P2P (cryptuon upstream). Fork for pilots and hardening.

kcolbchain · cryptuon lab
blockchain-compressionP1

Lossless compression for chain-shaped bytes (cryptuon upstream). Fork for benchmarks and integration.

kcolbchain · cryptuon lab

kcolbchain Open-Source

MMAGIPython + TS

Solana market-making system. Multi-wallet, Jupiter DEX aggregation, grid strategies, risk management. ~9K lines, production-grade.

kcolbchain
meridianPython

RWA market-making agent. Oracle-driven pricing, geography-aware adaptive spreads, compliance-gated, backtesting engine.

kcolbchain
monsoonPython

Autonomous airdrop farming framework. Multi-wallet, multi-chain, strategy-driven with scout intelligence and eligibility scoring.

kcolbchain
stablecoin-toolkitSolidity

Launch geography-specific stablecoins. Mint/redeem gateway, reserve manager, KYC/geo compliance, proof-of-reserves.

kcolbchain
audit-checklistSolidity

Drop-in Foundry security checks. Reentrancy, access control, oracle manipulation, upgrade risks, flash loans.

kcolbchain
gas-oracleTypeScript

Predicts L2 gas costs 5-30 blocks ahead using blob fee dynamics post-EIP-4844. Arbitrum, Optimism, Base, Scroll.

kcolbchain
depeg-monitorPython

Real-time stablecoin depeg detection. Tracks USDT/USDC/DAI across DEXes and CEXes, fires alerts on configurable thresholds.

kcolbchain
superchain-traceRust

Cross-chain message debugger for the OP Superchain. Trace, debug, and simulate interop messages across OP chains.

kcolbchain
stylus-profilerRust

WASM binary analyzer for Arbitrum Stylus contracts. Function-level gas costs, size breakdown, optimization suggestions.

kcolbchain
arbitrum-cliRust

Agent-first Arbitrum CLI. JSON in, JSON out, MCP-compatible. Single Rust binary built for LLMs and automation pipelines.

kcolbchain
arkaRust

Rust AI agent SDK for blockchain. Chain-agnostic wallets, DEX interaction, MPP payments, oracle feeds, type-safe sub-millisecond execution.

kcolbchain
resolverRust

High-performance Rust intent solver. Competes across UniswapX, Across, CoW Protocol. 10–100x faster than JS solvers — speed wins auctions.

kcolbchain
scoutPython

On-chain wallet & protocol intelligence primitives. Curated target registry, fit scoring, activity tracking. Powers monsoon and beyond.

kcolbchain
erc721-aiSolidity

Token standard for tokenized fine-tuned AI model weights. On-chain provenance, ownership, and tradability.

kcolbchain
rwa-toolkitSolidity

RWA tokenization standard and toolkit. Geography-aware tokens, compliance-native issuance for real estate, commodities, energy, IP.

kcolbchain
switchboardPython

AI × blockchain agent infrastructure. Agent wallets, autonomous payments, cross-chain execution, agent-to-agent settlement.

kcolbchain
quoterPython

Autonomous market-making agent framework. Pluggable quoting strategies (Avellaneda–Stoikov, grid, custom), backtesting harness.

kcolbchain
researchMarkdown

Published research notes, analysis, and briefs on blockchain protocol design, security, and mechanism design.

kcolbchain
muzixOP Stack

OP Stack L1 for music finance. MUSD stablecoin, real-time atomic royalty splits, catalog tokenization, viable micro-payments.

kcolbchain
brandHTML/CSS

Public brand kit — design tokens and visual identity playground. Yellow + neon cyan, hexagon mark, motion studies.

kcolbchain
token-simulatorPython

Token economy simulator — burn tolls, staking yields, vesting, liquidity pools, and multi-stream revenue with endogenous AMM pricing. Browser playground included.

kcolbchain
relayPython

Ops Telegram bot — captures, categorizes, and tracks grants, bounties, hackathons, and RFPs from inbound channels. Powers the kcolbchain opportunity pipeline.

kcolbchain
MMAGIPython

Solana market-making agent — multi-wallet, Jupiter DEX aggregation, grid strategies, risk controls. Production-grade reference implementation.

kcolbchain

DeFi & Financial Primitives

Infrastructure & Scaling

AI x Blockchain

Developer Tooling

Research Papers & Reports

Foundational and frontier papers every blockchain researcher should read.

Consensus & Protocol Design

Combining GHOST and Casper2020

Ethereum's Gasper consensus — the combination of Casper FFG finality and LMD GHOST fork choice that powers proof-of-stake Ethereum.

Buterin, Hernandez, Kamphefner et al.
HotStuff: BFT Consensus in the Lens of Blockchain2019

Linear-complexity BFT protocol. Foundation for Diem/Libra and many modern consensus designs.

Yin, Malkhi, Reiter, Gueta, Abraham
Flash Boys 2.0: Frontrunning in Decentralized Exchanges2019

The paper that defined MEV. Showed how miners/validators profit from transaction ordering.

Daian, Goldfeder et al. (IC3/Flashbots)
An Incomplete Guide to Rollups2021

Vitalik's definitive explainer on rollup design space — optimistic vs ZK, data availability, security models.

Vitalik Buterin

Zero-Knowledge & Cryptography

PLONK: Permutations over Lagrange-bases for Oecumenical Noninteractive arguments of Knowledge2019

Universal SNARK with a single trusted setup. Foundation for most modern ZK systems.

Gabizon, Williamson, Ciobotaru
Scalable, transparent, and post-quantum secure computational integrity (STARKs)2018

The STARK paper. No trusted setup, post-quantum secure, quasi-linear prover time.

Ben-Sasson, Bentov, Horesh, Riabzev
Jolt: SNARKs for Virtual Machines via Lookups2023

Lookup-based approach to ZKVM proving. Dramatically simplifies VM verification circuits.

Arun, Setty, Thaler (a16z)

DeFi & Mechanism Design

Automated Market Making and Loss-Versus-Rebalancing2022

Formalised impermanent loss as "loss-versus-rebalancing" (LVR). Changed how we think about AMM LP returns.

Milionis, Moallemi, Roughgarden, Zhang
Priority Is All You Need2024

Analysis of priority ordering in L2s and its MEV implications. Argues for better auction mechanisms.

Flashbots Research
While Stability Lasts: A Stochastic Model of Stablecoins2022

Mathematical framework for stablecoin stability analysis. Predicts depeg conditions under stress.

Klages-Mundt, Minca (Cornell)

Scaling & Data Availability

EIP-4844: Shard Blob Transactions (Proto-Danksharding)2024

Introduced blob-carrying transactions to Ethereum. 10-100x cheaper L2 data costs. Foundation for full Danksharding.

Buterin, Feist, Resnick et al.
Data Availability Sampling2022

How light nodes can verify data availability without downloading full blocks. Core to modular blockchain thesis.

Al-Bassam, Sonnino, Buterin
Based Rollups — Superpowers from L1 Sequencing2023

Rollups that use L1 validators for sequencing. Maximum decentralisation, liveness, and composability.

Justin Drake (EF)

Tokenisation & RWAs

Tokenization: Overview and Financial Stability Implications2023

BIS working paper on tokenisation of real-world assets. Risks, regulatory frameworks, and systemic implications.

Bank for International Settlements
Tokenization and the Future of Asset Management2024

BlackRock and industry analysis of tokenised funds, treasuries, and institutional adoption trajectories.

BlackRock / Industry

Protocols & Networks

Major blockchain protocols and networks worth studying.

EthereumL1

The programmable blockchain. Smart contracts, DeFi, NFTs, rollups. Largest developer ecosystem.

Ethereum Foundation
ArbitrumL2

Largest optimistic rollup by TVL. Nitro execution, BoLD fraud proofs, Stylus (WASM smart contracts).

Offchain Labs
Optimism / BaseL2

OP Stack rollup ecosystem. Superchain vision — shared sequencing, interop, and governance.

Optimism / Coinbase
zkSync EraL2

ZK rollup with native account abstraction, LLVM compiler, and custom ZK circuits. Boojum proving system.

Matter Labs
StarkNetL2

STARK-based ZK rollup. Cairo language, Madara sequencer, appchains. Post-quantum proof system.

StarkWare
CelestiaDA

Modular data availability layer. Data availability sampling for sovereign rollups.

Celestia Labs
EigenLayerRestaking

Shared security marketplace. Restake ETH to secure oracles, bridges, DA layers, and other AVSs.

Eigen Labs
SolanaL1

High-throughput L1 with parallel execution (Sealevel). Firedancer validator client by Jump Crypto.

Solana Foundation

Learning Paths

Structured paths for going from zero to contributor in each domain.

🛡

Smart Contract Security

Start: Damn Vulnerable DeFi, Ethernaut
Intermediate: Secureum, Code4rena, Sherlock audits
Advanced: Formal verification (Certora CVL), custom Foundry fuzz tests
Ship: Contribute to Slither detectors, write audit reports

🕵

Zero-Knowledge Engineering

Start: ZK Whiteboard Sessions, 0xPARC learning group
Intermediate: Circom/Noir circuits, Halo2 tutorials
Advanced: ZKVM internals (SP1/RISC Zero), custom proving systems
Ship: Build a ZK app, contribute to PSE repos

🏦

DeFi & Mechanism Design

Start: Finematics, DeFi MOOC (Berkeley)
Intermediate: Read Uniswap/Aave/Morpho source code
Advanced: LVR paper, mechanism design papers, Gauntlet simulations
Ship: Build a DeFi primitive, contribute to protocol governance

Protocol Design & Consensus

Start: Ethereum.org docs, Mastering Ethereum
Intermediate: EIP reading, Reth codebase exploration
Advanced: Gasper paper, HotStuff, PBS research
Ship: Contribute to execution/consensus clients

🤖

AI x Blockchain

Start: Ritual docs, Modulus Labs blog
Intermediate: ZK-ML papers, EZKL framework
Advanced: Build verifiable inference pipelines
Ship: On-chain AI agents, verifiable ML models

💎

RWAs & Tokenisation

Start: RWA.xyz data, Centrifuge docs
Intermediate: ERC-3643 (T-REX), ERC-1400 security tokens
Advanced: BIS/IMF tokenisation papers, legal frameworks
Ship: Build a tokenisation prototype, contribute to standards

Research Labs & Teams

Organisations doing the best work in blockchain research.

a16z Crypto Research

Publish open research on ZK, MEV, mechanism design, and protocol design. Jolt ZKVM, blockspace auctions.

Paradigm Research

Reth, Alloy, Foundry. Deep engineering + research. MEV, protocol security, EVM tooling.

Flashbots

MEV research and mitigation. MEV-Boost, MEV-Share, SUAVE. Open-source MEV infrastructure.

Trail of Bits

Security research. Slither, Echidna, Medusa. Best-in-class smart contract analysis tools.

Privacy & Scaling Explorations (PSE)

Ethereum Foundation team. Halo2, Semaphore, MACI, and other ZK/privacy public goods.

IC3 (Cornell)

Academic blockchain research. Flash Boys 2.0 (MEV), smart contract security, DeFi analysis.

Stanford Center for Blockchain Research

Cryptography, consensus, economics. Dan Boneh's group. Foundational ZK and protocol research.

Gauntlet

DeFi risk modelling and simulation. Mechanism design optimisation for Aave, Compound, Morpho.

Contribute to the directory

This is an open resource maintained by the kcolbchain community. Submit additions, corrections, or new categories.