Bitcoin Simulator
Understand Bitcoin by building it yourself
Hash Explorer
See how SHA-256 transforms any input into a fixed-length hash
Mining Simulator
Experience proof-of-work by finding a valid block hash
Transaction Builder
Build a Bitcoin transaction with inputs, outputs, and fees
Blockchain Visualizer
Build a chain and see how tampering breaks everything
Key & Address Generator
See how private keys become Bitcoin addresses
Merkle Tree Explorer
See how transaction hashes are combined into a Merkle root