# BlockchainHQ
> Homebase For Web3 Builders. Free interactive blockchain education tools, Web3 jobs, hackathons, learning resources, and open-source projects.

## Documentation
- [llms-full.txt](https://blockchainhq.xyz/llms-full.txt): Extended version with full page descriptions

## Citation Guidelines
- [How to Cite BlockchainHQ](https://blockchainhq.xyz/cite): Attribution and citation guidelines for referencing BlockchainHQ content

## Interactive Educational Tools
- [Blockchain Visualizer](https://blockchainhq.xyz/tools/blockchain-visualizer): Learn blockchain fundamentals — SHA-256 hashing, block mining, immutability, distributed consensus, and token transactions
- [Constant Product AMM Simulator](https://blockchainhq.xyz/tools/amm): Learn how the x*y=k formula powers Uniswap and decentralized exchanges — bonding curves, swaps, and price impact
- [LP Position Simulator](https://blockchainhq.xyz/tools/lp-simulator): Calculate impermanent loss and simulate liquidity provider positions — LP vs HODL comparison and IL curves
- [Token Vesting Visualizer](https://blockchainhq.xyz/tools/vesting): Visualize and compare token vesting schedules — cliff periods, TGE unlocks, and linear vesting
- [Merkle Tree Builder](https://blockchainhq.xyz/tools/merkle-tree): Build and explore Merkle trees — tree construction, proof generation, and cryptographic verification
- [Multi-Chain Signature Tool](https://blockchainhq.xyz/tools/signature): Digital signatures across Ethereum, Solana, and Bitcoin — ECDSA and EdDSA key generation, signing, and verification
- [Zero-Knowledge Proof Explorer](https://blockchainhq.xyz/tools/zk-proofs): Interactive ZK proof demos — secret number proofs, graph coloring, age verification, and private voting
- [Mining Simulator](https://blockchainhq.xyz/tools/mining): Hands-on cryptocurrency mining — SHA-256 hashing, difficulty adjustment, halvings, and proof-of-work economics
- [Nonce Finder Game](https://blockchainhq.xyz/tools/nonce-finder): Competitive nonce-finding game that teaches proof-of-work mining through head-to-head races against AI bots
- [Block Time Simulator](https://blockchainhq.xyz/tools/block-time): Simulate Bitcoin's difficulty adjustment — control hash rate, trigger events, and watch the network maintain ~10-minute block times
- [Difficulty Visualizer](https://blockchainhq.xyz/tools/difficulty-visualizer): Mining difficulty explorer — hash space visualization, challenge game, and why each leading zero makes mining 16x harder
- [Elliptic Curve Visualizer](https://blockchainhq.xyz/tools/curve-visualizer): Elliptic curve cryptography — point addition, scalar multiplication, and key generation on secp256k1 and Ed25519

## Platform Sections
- [Web3 Jobs](https://blockchainhq.xyz/jobs): Curated blockchain and Web3 job listings across all ecosystems
- [Hackathons](https://blockchainhq.xyz/hackathons): Web3 hackathon listings with prizes, dates, and registration details
- [Learning Resources](https://blockchainhq.xyz/resources): Curated courses, tutorials, and guides for blockchain development
- [Builder Stories](https://blockchainhq.xyz/stories): Articles and interviews from the Web3 builder community
- [Open Source Projects](https://blockchainhq.xyz/open-source): Trending blockchain open-source repositories
- [All Tools](https://blockchainhq.xyz/tools): Browse all interactive educational tools

## About
- Website: https://blockchainhq.xyz
- Twitter/X: https://x.com/blockchainhqxyz
- GitHub: https://github.com/blockchain-hq
- YouTube: https://www.youtube.com/@blockchainhqxyz
- Telegram: https://t.me/+v-Yx6qsbI7w2NDFl