claude-dev-suite

claude-dev-suite/claude-dev-suite

Skill Claude Code

Babylon: native BTC staking protocol securing PoS chains. Trustless Bitcoin Vaults (public testnet as of September 2026), integration with Cosmos chains. No bridging / wrapping required. USE WHEN: building BTC-secured PoS chains, integrating Babylon staking, evaluating BTCFi yield options.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Bitlayer: Bitcoin L2 with ZK proof system, BTC staking, EVM compatibility. Early BTCFi entrant (2024); TVL down 99.9% from peak as of September 2026. USE WHEN: evaluating Bitlayer for deployment, BTC staking products.

claude-dev-suite/claude-dev-suite

Skill Claude Code

BitVM, BitVM2, BitVM3: off-chain computation framework using optimistic challenge games on Bitcoin script. Foundation for trust-minimized bridges to L2s and PoS chains. USE WHEN: building trust-minimized bridges, understanding ZK rollup peg-out mechanisms, evaluating bridge security models.

claude-dev-suite/claude-dev-suite

Skill Claude Code

BOB (Build on Bitcoin): hybrid Bitcoin/Ethereum L2 using OP Stack Bitcoin security. Bridges to Bitcoin via threshold signatures zk-proofs. USE WHEN: building cross-chain Bitcoin/Ethereum apps, evaluating BOB hybrid model.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Botanix: RETIRED EVM-compatible Bitcoin L2 using "Spiderchain" architecture (federated multisig rotated by orchestrators). stBTC native staking. Mainnet 1 July 2025; wind-down announced 5 June 2026. USE WHEN: studying Spiderchain federation rotation as a design, or explaining why Botanix is no longer a deployment…

claude-dev-suite/claude-dev-suite

Skill Claude Code

B² Network (BSquared): hybrid ZK + optimistic Bitcoin L2 with EVM compatibility. Live since 2024; DeFi TVL is down 97% from its December 2024 peak as of September 2026. USE WHEN: evaluating B² for deployment, integrating with their bridge, comparing Bitcoin L2 options.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Cashu: single-mint Chaumian e-cash for Bitcoin Lightning. NUTs (Notation, Usage, and Terminology specs) define mint protocol, payment flow, blind signatures. USE WHEN: integrating Cashu mints/wallets, building NUT-compliant apps, comparing with Fedimint.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Citrea: first ZK-rollup on Bitcoin (mainnet 27 Jan 2026), zkEVM, BitVM2 trustless bridge, ctUSD stablecoin, native BTC lending. USE WHEN: building zkEVM apps on Bitcoin, integrating with Citrea, evaluating ZK rollups vs sidechains.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Counterparty: legacy Bitcoin meta-protocol (2014) for assets, DEX, betting using OPRETURN. Usage is largely historic, but the reference implementation still ships protocol upgrades (AMM pools, Taproot envelopes) as of September 2026. USE WHEN: dealing with legacy Counterparty assets, understanding pre-Ordinals asset…

claude-dev-suite/claude-dev-suite

Skill Claude Code

Drivechains (BIP300/301) and Spacechains (Ruben Somsen): proposals for sidechains pegged via miner-validated locks or via OPCAT-like primitives. Status: NOT activated on mainnet. USE WHEN: evaluating proposed sidechain mechanisms, understanding why they're not live, comparing with federated/trustless bridges.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Fedimint: federated Chaumian e-cash on Bitcoin with Lightning gateway. Multi-sig guardians, blind-signature notes, community-scale custody with privacy. Fedi mobile wallet. USE WHEN: deploying community mints, integrating federated e-cash, evaluating Fedimint vs Cashu.

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Skill Claude Code

Hemi Network: hybrid Bitcoin + Ethereum L2 with "superfinality" via Bitcoin PoW. Chain TVL under $1M across 44 listed protocols (DefiLlama, September 2026), down from a $330M peak in June 2025. USE WHEN: building cross-chain DeFi, evaluating Hemi vs BOB.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Liquid Network: federated sidechain by Blockstream. Confidential Transactions, asset issuance (LBTC, USDt-Liquid, others), 2-min blocks, n-of-m federation peg-out. Elements codebase. USE WHEN: building on Liquid, peg-in/peg-out integrations, designing CT-based privacy.

claude-dev-suite/claude-dev-suite

Skill Claude Code

MAP Protocol: omnichain interoperability layer with Bitcoin integration. Cross-chain messaging across many chains; positions itself as Bitcoin L2 connector. Butter Bridge V3.1 was exploited on 20 May 2026; read the status note before treating it as production bridge infrastructure. USE WHEN: building cross-chain apps…

claude-dev-suite/claude-dev-suite

Skill Claude Code

Merlin Chain: Polygon-CDK Bitcoin L2 with EVM and a federation peg; its Bitcoin fraud-proof module is still unshipped as of September 2026. Was the TVL leader in 2024; DeFi TVL is down 98% from that peak as of September 2026. USE WHEN: evaluating Merlin for deployment, BTC DeFi.

claude-dev-suite/claude-dev-suite

Skill Claude Code

RGB protocol: client-side validated smart contracts on Bitcoin + Lightning. v0.12 consensus (zk-AluVM, issuers), the diverging v0.11.1 line, rgb-lightning-node for LN integration. USDT-on-RGB rollout. USE WHEN: building RGB contracts, integrating RGB Lightning, comparing with TAP.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Rootstock (RSK): EVM-compatible Bitcoin sidechain with merge mining and federation peg. RBTC native token, 30-second blocks, Solidity smart contracts. USE WHEN: building Bitcoin DeFi via EVM contracts, integrating RSK peg, comparing with Stacks / Liquid.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Spark by Lightspark: statechain-derived L2 with FROST threshold signatures, leaf architecture, Lightning compatibility. Beta launched April 2025; managed by Spark Operators (SOs). USE WHEN: integrating with Spark, evaluating Spark vs Ark vs Lightning, designing leaf-based UTXO trees.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Stacks: Bitcoin smart contract layer with Clarity language, sBTC for native peg, Nakamoto upgrade for fast finality, PoX (Proof of Transfer) consensus. USE WHEN: building Bitcoin smart contracts, integrating sBTC, evaluating Stacks vs RSK / EVM alternatives.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Statechains: off-chain UTXO ownership transfer via Statechain Operator (SO) signing. Mercury Layer (CommerceBlock) is the main implementation. 1-of-N security model. USE WHEN: evaluating off-chain UTXO transfer, comparing with Spark/ Ark, designing 1-of-N security models.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Strata by Alpen Labs: ZK rollup on Bitcoin, glock (garbled lock) bridge, EVM-compatible execution. Emerging Bitcoin L2 in 2025-2026. USE WHEN: evaluating Strata for deployment, comparing with Citrea.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Taproot Assets (formerly Taro) by Lightning Labs: client-side validation asset protocol on Bitcoin + Lightning. Multi-asset Lightning channels, AddressV2, multi-hop asset routing. USE WHEN: issuing/transferring assets on Bitcoin, integrating asset Lightning channels, evaluating TAP vs RGB.

claude-dev-suite/claude-dev-suite

Skill Claude Code

Threshold Network (tBTC): federated BTC bridge to Ethereum/EVM chains with t-of-n threshold signers, random group selection. USE WHEN: bridging BTC to Ethereum DeFi, evaluating tBTC vs wBTC.

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Skill Claude Code needs its repo

Bitcoin full-node implementation in JavaScript. Built by Bcoin Foundation (originally Purse / Bcrypt team).