blockchainlab

26 free client-side blockchain dev tools: Safe multisig tx builder, EIP-712 signer, bridge fee compare, token approvals & revoke, Solana tx & Bitcoin PSBT decoders, MEV sandwich checker, gas, ABI, tx decoder, ENS…

Blockchain Lab /forge engine: plain-language idea -> composed, tested repo under Blockchains

grokhack.com /forge composer: app idea -> Grok app repo under Blockchains with CI + Pages

Curated Grok / xAI integrations, forked under Blockchains, for grokhack.com

Default community health files (issue/PR templates, contributing, code of conduct, security policy) for all Blockchains repositories

54 runnable blockchain labs: 45 Solidity/Foundry (security, DeFi, MEV, governance, Yul), 4 Noir ZK and 4 Cairo/Starknet labs — all tested in CI

54 blockchain & smart-contract interview questions with concise answers linked to runnable labs and tools: EVM, Solidity, DeFi, security, L2s, Solana. Built by Blockchain Lab (blockchainlab.com)

Curated 2026 blockchain developer roadmap: 12 stages, each linked to concept explainers, primary docs, runnable labs and free tools. Link-checked weekly. Built by Blockchain Lab (blockchainlab.com)

Forge-composed: A community governance token with permit approvals, vote delegation and an on-chain governor with a timelock

Typed TypeScript + Python SDK for the Blockchain Lab Open Data API: 20 versioned datasets (stablecoins, yields, bridges, DEX volumes, L2BEAT, hacks, OFAC, RPC health, chains, EIPs). Types generated from JSON Schemas.

Tested starter templates built on Blockchains forks: Foundry+OpenZeppelin, Chainlink feeds, Uniswap v4 hook, ERC-4337 smart account + paymaster, Hedera HTS, wagmi+RainbowKit dApp, circom & Noir ZK

Forge-composed: An NFT membership collection with ERC-2981 royalties, role-based minting, a pause switch, and a paid mint priced in USD using a Chainlink ETH/USD price feed

Composed by Blockchain Lab Forge: ERC-4626 WETH savings vault valued in USD by Chainlink ETH/USD, with USD cap, entry fee and roles (OpenZeppelin v5.7.0 + chainlink-evm from Blockchains forks)

MCP server + JS SDK with 43 tools for AI agents (Cursor, Claude, Grok, VS Code): blockchain datasets + live on-chain tools — Safe, EIP-712, bridges, approvals, Solana, PSBT, MEV, gas, tx decoding. Docker on GHCR.

Code index of the curated Blockchains forks (components, ABIs, capability taxonomy, embeddings, SQLite FTS) - powers Blockchain Lab /forge idea-to-project composition. Rebuilt nightly.

Nightly index of the Grok/xAI integration surface across awesome-grokhack forks

Blockchain Lab Hub — one search for 75 free blockchain services: 26 tools, 20 data APIs, 8 Grok AI briefs/explainers, gas/RPC/chain monitors, security scans, jobs, grants, events

Explain any Etherscan/Basescan/Arbiscan/Polygonscan tx or address in one click: bookmarklet + Chrome MV3 extension using Blockchain Lab Tools. Built by Blockchain Lab (blockchainlab.com)

Free static JSON API for blockchain builders: 20 versioned datasets — chains, DeFi TVL, stablecoins, yields, bridges, DEX volumes, fees, L2BEAT L2 metrics, hacks, OFAC addresses, RPC health, EIPs/BIPs. Typed SDKs.

Public X intel, mentions and hackathon feeds for blockchainlab.com (public post IDs/links/summaries only)