Bitcoin & Blockchain Technology

Explore Bitcoin's blockchain: a secure, transparent ledger using cryptographic hashing and proof-of-work to maintain a decentralized network.

The Bitcoin network consists of tens of thousands of nodes that are running Bitcoin software. What do these nodes do and why are they important?

Learn how Bitcoin's Lightning Network scales transactions, enabling fast, cheap off-chain payments. Discover its functionality, payment channels, and routing.

The Double Spend problem is about preventing digital money duplication. Learn how Bitcoin solves this issue without relying on central authorities.

Learn how to read Bitcoin data: addresses, public keys, blocks, and transactions, each with unique identifiers for secure and clear distinction.

Understand what is Bitcoin Core, the original and most popular open-source software that implements the Bitcoin protocol.