Structured education across every format and skill level · 136 guides
A blockchain ledger is the shared list of every crypto transaction. Here is who keeps it, why old entries cannot be edited, and how to read it.
Bitcoin explained in 15 seconds, then in plain English: what it is, why the supply stops at 21 million, and how people actually hold it.
Crypto explained in plain English: what a cryptocurrency actually is, who keeps the record, and why Bitcoin and Ethereum work without a bank.
Everything you need to know about Bitcoin -- from the genesis block to why it's called digital gold.
