Interactive Calculators & Demonstrators
Free Blockchain Educational Tools
Client-side utility calculators and cryptographic demonstrations created to help students, developers, and beginners understand the mechanics of decentralized systems.
Satoshi Converter
Convert satoshis to Bitcoin (BTC), bits, and mBTC in real-time. Understand unit denominations and the 8-decimal divisibility of Bitcoin.
Gwei Gas Converter
Convert Wei, Gwei, and Ether (ETH). Calculate estimated transaction fees across different computational operations (transfers vs smart contract calls).
SHA-256 Hash Generator
Client-side cryptographic hash generator. Observe the avalanche effect where modifying a single byte completely changes the resulting 256-bit digest.
Crypto Knowledge Quiz
Interactive 10-question quiz testing your understanding of blockchain blocks, UTXOs, consensus mechanisms, and wallet security.