Learning paths

Start with the area you need

Three core tracks, each built to move from first principles to practical understanding.

Network basics

How blockchain networks work

Nodes, ledgers, and how transactions move from one participant to the next across a decentralized network.

Wallet security

Self-custody, step by step

Seed phrases, wallet types, and the habits that keep a private key private, explained in order.

Protocol mechanisms

Consensus and validation

Proof of work, proof of stake, and what it means to validate a network, compared without the jargon.

Foundations

Consensus and cryptography in plain English

A blockchain is a shared record that many computers agree on. Consensus is the set of rules that decides which entries count, and cryptography is what makes those entries tamper-evident. Together they let strangers trust a ledger without a central keeper.

Proof of work asks participants to spend computing power to propose blocks, while proof of stake asks them to lock up tokens as collateral. Both aim at the same outcome: a single agreed history. Understanding the trade-offs helps readers judge new protocols on their own terms.