# kcolbchain

> Blockchain research and engineering collective (est. 2015). Founded by Abhishek Krishna. 78 repos, 47 forks of major AI x blockchain projects, 11 live interactive dashboards, published research across DeFi, RWA, stablecoins, and AI agent infrastructure.

kcolbchain builds open-source blockchain tools, publishes applied research, and maintains a developer network across DeFi, stablecoins, RWA tokenization, AI agents, and protocol infrastructure. Every project ships with a zero-build interactive dashboard at `{name}.kcolbchain.com`.

## Key People

- Abhishek Krishna — Founder, kcolbchain. Blockchain researcher and engineer since 2015. Works across DeFi mechanism design, stablecoin infrastructure, smart contract security, AI x blockchain agents, and L2 scaling. Personal site: https://abhishekkrishna.com. GitHub: https://github.com/abhicris. All kcolbchain research, code, and blog posts are authored by Abhishek Krishna.

## Live Interactive Dashboards

Each project has a zero-build static dashboard with live data, simulators, or explorers:

- [gas-oracle.kcolbchain.com](https://gas-oracle.kcolbchain.com) — Live L2 gas prices + L1 blob-fee prediction for Arbitrum, Optimism, Base, Scroll. Polls public RPCs every 12s. EIP-4844 `fake_exponential` computed in-browser.
- [depeg-monitor.kcolbchain.com](https://depeg-monitor.kcolbchain.com) — Live USDC/USDT/DAI peg status from Binance, Coinbase, CoinGecko. Median aggregation, adjustable warn/critical thresholds (bps).
- [audit-checklist.kcolbchain.com](https://audit-checklist.kcolbchain.com) — Interactive vulnerability-check explorer. One page per Foundry check (Reentrancy, AccessControl, Oracle, Upgrade, FlashLoan, Vault) with detection logic, hooks, and the real VulnerableVault bug each flags.
- [token-simulator.kcolbchain.com](https://token-simulator.kcolbchain.com) — Interactive tokenomics simulator. Burn toll, vesting, revenue streams, endogenous AMM price. Ships with Create Protocol V4 preset. Sliders rerun the sim live.
- [meridian.kcolbchain.com](https://meridian.kcolbchain.com) — RWA market-making stack simulator. ERC-4626 LP vault, agent quoting, oracle adapter, risk manager. Constant vs adaptive spread across 4 asset presets. Live KPIs: PnL, inventory, fill rate, adverse selection, Sharpe.
- [switchboard.kcolbchain.com](https://switchboard.kcolbchain.com) — Agent-payment protocol explorer. Interactive sequence diagrams for x402, MPP (Stripe/Tempo), AP2 (Google), Circle Nanopayments, and on-chain escrow. Compatibility matrix.
- [erc721-ai.kcolbchain.com](https://erc721-ai.kcolbchain.com) — AI model tokenization gallery. 5 mock models, ERC-721 AI metadata schema, x402 per-inference metering calculator, provenance timeline.
- [stablecoin-toolkit.kcolbchain.com](https://stablecoin-toolkit.kcolbchain.com) — Stablecoin mint/redeem simulator with burn-toll impact chart, reserve composition donut, compliance module toggles, multi-geography templates.
- [quoter.kcolbchain.com](https://quoter.kcolbchain.com) — MM strategy backtester. Avellaneda-Stoikov, Grid, Inventory-Skew. 500-tick Brownian sim, PnL plots, side-by-side comparison mode.
- [monsoon.kcolbchain.com](https://monsoon.kcolbchain.com) — Airdrop farming research scaffold dashboard. Strategies, target protocols from scout, wallet rotation simulator, airdrop-rights NFT concept.
- [superchain-trace.kcolbchain.com](https://superchain-trace.kcolbchain.com) — OP Superchain message lifecycle simulator (submitted → indexed → safe → finalized → relayed). Chain selector, trace output.

## Open-Source Projects (31 original repos)

### AI Agent Infrastructure
- [switchboard](https://github.com/kcolbchain/switchboard) — Agent wallets, nonce management, gas budgets, agent-to-agent escrow, x402/MPP payment middleware. Python. Docs: https://docs.kcolbchain.com/switchboard/
- [arka](https://github.com/kcolbchain/arka) — Rust AI agent SDK. Chain-agnostic wallets, DEX interaction, MPP payments, on-chain state reading. The bridge between AI agents and blockchain execution. Docs: https://docs.kcolbchain.com/arka/
- [erc721-ai](https://github.com/kcolbchain/erc721-ai) — ERC-721 token standard for tokenized fine-tuned AI model weights. Ownership, provenance, tradability, x402 per-inference metering. Docs: https://docs.kcolbchain.com/erc721-ai/

### DeFi & Market Making
- [meridian](https://github.com/kcolbchain/meridian) — RWA market-making stack. ERC-4626 LP vault contracts, agent-controlled vault, oracle adapter, strategy executor, EVM execution, risk manager. Built on top of quoter's strategy core. Python + Solidity. Docs: https://docs.kcolbchain.com/meridian/
- [quoter](https://github.com/kcolbchain/quoter) — Venue-agnostic market-making strategy framework. Pluggable strategies (constant, adaptive), backtest engine, BYO venue. Python. Docs: https://docs.kcolbchain.com/quoter/
- [resolver](https://github.com/kcolbchain/resolver) — High-performance Rust intent solver. Competes across UniswapX, Across, CoW Protocol. Rust. Docs: https://docs.kcolbchain.com/resolver/
- [gas-oracle](https://github.com/kcolbchain/gas-oracle) — Predicts L2 gas costs 5-30 blocks ahead using blob fee market dynamics (EIP-4844). TypeScript. Docs: https://docs.kcolbchain.com/gas-oracle/
- [depeg-monitor](https://github.com/kcolbchain/depeg-monitor) — Real-time stablecoin depeg detection and alerting across DEXes and CEXes. Python. Docs: https://docs.kcolbchain.com/depeg-monitor/

### Stablecoins & RWA
- [stablecoin-toolkit](https://github.com/kcolbchain/stablecoin-toolkit) — Open-source stablecoin infrastructure. Issuance, reserve management, compliance, multi-geography (US/EU/LATAM). Solidity. Docs: https://docs.kcolbchain.com/stablecoin-toolkit/
- [token-simulator](https://github.com/kcolbchain/token-simulator) — Token economy simulator. Burn tolls, staking yields, vesting, liquidity pools, multi-stream revenue, endogenous AMM price. Python + browser. Docs: https://docs.kcolbchain.com/token-simulator/

### Security & Tooling
- [audit-checklist](https://github.com/kcolbchain/audit-checklist) — Executable smart contract audit checklist. Drop-in Foundry test templates for reentrancy, access control, oracle manipulation, upgrade risks, flash loan vectors. Solidity. Docs: https://docs.kcolbchain.com/audit-checklist/
- [arbitrum-cli](https://github.com/kcolbchain/arbitrum-cli) — Agent-first Arbitrum CLI. JSON in, JSON out, MCP-compatible. Rust. Docs: https://docs.kcolbchain.com/arbitrum-cli/
- [stylus-profiler](https://github.com/kcolbchain/stylus-profiler) — WASM binary analyzer for Arbitrum Stylus contracts. Function-level gas, size breakdown, optimization suggestions. Rust. Docs: https://docs.kcolbchain.com/stylus-profiler/
- [superchain-trace](https://github.com/kcolbchain/superchain-trace) — Cross-chain message debugger for the OP Superchain interop system. Rust. Docs: https://docs.kcolbchain.com/superchain-trace/

### Intelligence & Farming
- [scout](https://github.com/kcolbchain/scout) — On-chain wallet & protocol intelligence primitives. Registry, fit scoring, activity tracking. Powers monsoon. Python. Docs: https://docs.kcolbchain.com/scout/
- [monsoon](https://github.com/kcolbchain/monsoon) — Autonomous airdrop farming research scaffold. Multi-wallet, multi-chain, simulation-first. Python. Docs: https://docs.kcolbchain.com/monsoon/
- [MMAGI](https://github.com/kcolbchain/MMAGI) — Solana market-making agent. Multi-wallet, Jupiter DEX aggregation, grid strategies, risk controls. Python.
- [relay](https://github.com/kcolbchain/relay) — Ops Telegram bot. Captures, categorizes, and tracks grants, bounties, hackathons, and RFPs from inbound channels. Python.

### Other
- [muzix](https://github.com/kcolbchain/muzix) — OP Stack L1 for music finance. MUSD stablecoin, royalty splits, catalog tokenization. Solidity.
- [defi-cli](https://github.com/kcolbchain/defi-cli) — Multi-chain DeFi from your terminal (planning stage).
- [research](https://github.com/kcolbchain/research) — Published research notes on blockchain protocol design, security, DeFi, ZK, AI x blockchain, tokenisation.
- [brand](https://github.com/kcolbchain/brand) — Public brand kit and design tokens.

## Key Forks (47 curated forks of major AI x blockchain projects)

### Agent Frameworks
- [eliza](https://github.com/kcolbchain/eliza) — Fork of [elizaOS/eliza](https://github.com/elizaOS/eliza) (25K+ stars). Building `@kcolbchain/eliza-switchboard` plugin.
- [crewAI](https://github.com/kcolbchain/crewAI) — Fork of [crewAIInc/crewAI](https://github.com/crewAIInc/crewAI) (48K+ stars). Multi-agent orchestration reference.
- [langgraph](https://github.com/kcolbchain/langgraph) — Fork of [langchain-ai/langgraph](https://github.com/langchain-ai/langgraph) (29K+ stars). Agent graph builder.
- [open-autonomy](https://github.com/kcolbchain/open-autonomy) — Fork of Olas/Autonolas off-chain agent services framework.
- [Morpheus](https://github.com/kcolbchain/Morpheus) — Fork of MorpheusAIs. Smart agents on Arbitrum, MOR token, Lumerin compute routing.
- [rig](https://github.com/kcolbchain/rig) — Fork of 0xPlaygrounds/rig (6.9K stars). Rust LLM agent framework.

### Agent Wallets & Payments
- [agentkit](https://github.com/kcolbchain/agentkit) — Fork of Coinbase AgentKit (1.2K stars). "Every AI agent deserves a wallet."
- [x402](https://github.com/kcolbchain/x402) — Fork of [coinbase/x402](https://github.com/coinbase/x402). HTTP 402 payment protocol for agents.
- [cdp-sdk](https://github.com/kcolbchain/cdp-sdk) — Fork of Coinbase Developer Platform SDK.
- [goat](https://github.com/kcolbchain/goat) — Fork of goat-sdk. Agentic finance toolkit.

### Cryptography & Security
- [threshold](https://github.com/kcolbchain/threshold) — Fork of luxfi/threshold. Multiparty CGGMP21, FROST, LSS threshold signatures.
- [mpc](https://github.com/kcolbchain/mpc) — Fork of Hanzo MPC. Threshold Signing Service.
- [fhe](https://github.com/kcolbchain/fhe) — Fork of Lux FHE. GPU-accelerated fully homomorphic encryption.
- [safe](https://github.com/kcolbchain/safe) — Fork of Lux Safe. Quantum-safe multisig wallet.
- [proofs](https://github.com/kcolbchain/proofs) — Fork of Lux proofs. Lean4 formal verification.
- [semaphore](https://github.com/kcolbchain/semaphore) — Fork of Semaphore. Zero-knowledge anonymous interactions.
- [maci](https://github.com/kcolbchain/maci) — Fork of MACI. Minimal Anti-Collusion Infrastructure.

### Decentralized AI & Compute
- [bittensor](https://github.com/kcolbchain/bittensor) — Fork of opentensor/bittensor. Internet-scale neural networks.
- [giza-agents](https://github.com/kcolbchain/giza-agents) — Fork of Giza. Verifiable ML (ZKML) with STARK proofs.
- [awesome-zkml](https://github.com/kcolbchain/awesome-zkml) — Fork of worldcoin/awesome-zkml. Curated ZKML reading list.
- [awesome-akash](https://github.com/kcolbchain/awesome-akash) — Fork of Akash deployment examples.

### Infrastructure
- [reth](https://github.com/kcolbchain/reth) — Fork of paradigmxyz/reth. Modular Ethereum implementation in Rust.
- [optimism](https://github.com/kcolbchain/optimism) — Fork of Optimism. Ethereum L2 scaling.
- [stylus-sdk-rs](https://github.com/kcolbchain/stylus-sdk-rs) — Fork of Arbitrum Stylus Rust SDK.
- [supersim](https://github.com/kcolbchain/supersim) — Fork of OP Supersim. Local multi-L2 dev environment.
- [erc7579-implementation](https://github.com/kcolbchain/erc7579-implementation) — Fork of ERC-7579 modular smart accounts.
- [ledger](https://github.com/kcolbchain/ledger) — Fork of Hanzo Ledger. Programmable double-entry fintech ledger.
- [bridge](https://github.com/kcolbchain/bridge) — Fork of Lux Bridge. MPC cross-chain bridge.
- [teleport](https://github.com/kcolbchain/teleport) — Fork of Lux Teleport. Zero-knowledge MPC cross-chain bridge.
- [exchange](https://github.com/kcolbchain/exchange) — Fork of Lux Exchange. Decentralized AMM.

## Blog (recent posts)

- [12 live dashboards, one weekend, zero build steps](https://kcolbchain.com/blog/posts/2026-04-14-twelve-dashboards-one-weekend.html) — Apr 14, 2026
- [The agent payment wars: x402, MPP, AP2, and where switchboard fits](https://kcolbchain.com/blog/posts/2026-04-14-agent-payment-wars.html) — Apr 14, 2026
- [Every dollar burns CR8 — and now you can simulate it](https://kcolbchain.com/blog/posts/2026-04-14-every-dollar-burns-cr8.html) — Apr 14, 2026
- [RWA compliance: three standards, one explorer, zero excuses](https://kcolbchain.com/blog/posts/2026-04-14-rwa-three-standards.html) — Apr 14, 2026
- [AI models deserve wallets — and a price tag](https://kcolbchain.com/blog/posts/2026-04-14-ai-models-deserve-wallets.html) — Apr 14, 2026
- [The contributor flywheel is live: ladder, invitations, and how paid work routes](https://kcolbchain.com/blog/posts/2026-04-18-contributor-flywheel-shipped.html) — Apr 18, 2026

Full blog archive: https://kcolbchain.com/blog/

## Active work + community

- [Active work](https://kcolbchain.com/work/) — hand-curated snapshot of what's shipping across repos, research, and partnerships. Data: https://kcolbchain.com/data/active-work.json
- [Reports](https://kcolbchain.com/reports/) — public ship log of frontier OSS PRs, partner-org analyses, daily summaries, and infra snapshots. Data: https://kcolbchain.com/data/reports.json
- [Contributors ledger](https://kcolbchain.com/contributors/) — every external contributor with at least one merged PR; rebuilt daily from the public GitHub API. Ladder: Newcomer (1 PR) → Regular (2–4) → Fellow (5+). Data: https://kcolbchain.com/data/contributors.json
- [Open invitations](https://kcolbchain.com/invitations/) — live list of `good first issue` / `help wanted` / `bounty` across every kcolbchain repo. Data: https://kcolbchain.com/data/open-invitations.json
- [Work with us](https://kcolbchain.com/work-with-us/) — outbound talent funnel for paid roles (lead eng, mid eng, OSS contribution lead, community ops, events / dev-rel, talent sourcing, research collaborator, partner liaison). Apply by shipping.
- [Contribution & incentives policy](https://kcolbchain.com/docs/org-contribution-policy.html) — ladder, revenue routing, and the rule that a `bounty` label alone is **not** a promise of payment (§2).

## Tutorials

- [audit-checklist tutorial](https://audit-checklist.kcolbchain.com/tutorial.html) — Your first Foundry audit in 10 minutes
- [switchboard getting started](https://switchboard.kcolbchain.com/getting-started.html) — Build an AI agent with managed wallet + gas budget
- [token-simulator tutorial](https://token-simulator.kcolbchain.com/tutorial.html) — Model your own token economy
- [gas-oracle tutorial](https://gas-oracle.kcolbchain.com/tutorial.html) — Predict L2 gas costs
- [meridian tutorial](https://meridian.kcolbchain.com/tutorial.html) — Build an RWA market-making agent
- [x402 agent payments](https://kcolbchain.com/switchboard/x402-agent-payments.html) — Build an AI agent that pays for its own API calls using x402 + switchboard
- [erc721-ai tutorial](https://kcolbchain.com/erc721-ai/tutorial.html) — Tokenize a fine-tuned AI model as an ERC-721 NFT with provenance and x402 inference metering
- [ZKML tutorial](https://kcolbchain.com/lab/zkml-tutorial.html) — Zero-knowledge ML inference on Ethereum using EZKL and Giza
- [DeFi market-making agent](https://kcolbchain.com/meridian/defi-agent-tutorial.html) — Build an autonomous RWA market-making agent with adaptive spreads and on-chain execution

## Research areas

kcolbchain actively researches and publishes on:
- **AI x Blockchain agent payments** — x402 (Linux Foundation, Apr 2026), MPP (Stripe x Tempo), AP2 (Google), Circle Nanopayments
- **RWA tokenization compliance** — ERC-3643, ERC-1404, KAIO comparison and implementation
- **Token economics simulation** — burn tolls, vesting dynamics, endogenous AMM pricing, Monte Carlo stress testing
- **Threshold cryptography** — CGGMP21, FROST, Ringtail post-quantum signatures for MPC custody
- **L2 gas prediction** — EIP-4844 blob fee dynamics, EMA + linear regression forecasting
- **Stablecoin depeg detection** — multi-source median aggregation, real-time alerting
- **ZKML (zero-knowledge machine learning)** — Giza/STARK-based verifiable inference for tokenised AI models
- **Decentralized compute** — Akash, io.net, Render, Ritual/Infernet as backends for AI agent compute
- **Smart contract security patterns** — executable audit checklists, ERC-4626 inflation attacks, flash loan vectors

## Policies & contributor entry

- [Contribution & incentives policy](https://kcolbchain.com/docs/org-contribution-policy.html) (org-wide: bounties, paid work, expectations)
- [P1 lab fork process](https://kcolbchain.com/docs/p1-announcements.html) (blog-announced GitHub links on the site)
- [Join / contribute](https://kcolbchain.com/join.html)

## Links

- Website: https://kcolbchain.com
- Documentation hub: https://docs.kcolbchain.com
- GitHub: https://github.com/kcolbchain (78 repos)
- Blog: https://kcolbchain.com/blog/
- Contact: krishna@kcolbchain.com

## Topics

blockchain, DeFi, stablecoins, RWA tokenization, smart contract security, AI agents, AI x blockchain, agent payments, x402, MPP, market making, autonomous agents, L2 scaling, ZK proofs, ZKML, MPC, threshold signatures, MEV, intent solvers, Ethereum, Arbitrum, Optimism, Base, Solidity, Rust, Python, TypeScript, open-source, ERC-3643, ERC-721 AI, ERC-4626, ERC-7579, Foundry, token economics, burn toll, stablecoin compliance