Topic
Foundations
A coin is a record on a network. A price is the last trade. A familiar name is cheap to copy. Start here before the louder topics.
- 01Who gets paidWhoever sold you the story that the name was enough.
- 02Who can change the rulesThe network's rules, and the app that may be standing in front of them.
- 03Who can stop the moneyA lost key, a fake ticker, or a firm that holds the coins for you.
Courses
01 · 3 min
What crypto is
A coin is a record on a network. It is not a share in a company, and it is not a promise that anyone will pay you.
02 · 3 min
Why it exists
Crypto was built so people could move value without asking a bank for permission. It did not remove power. It moved it.
03 · 3 min
Keys, hashes, and signatures
Three ideas sit under every wallet. You do not need a maths degree. You need to know which one is the secret.
04 · 3 min
Consensus
A network agrees on one history. That agreement is what people mean when they say the chain cannot be quietly edited by one company.
05 · 3 min
Nodes, clients, and forks
A node is a computer keeping the history. A client is the software it runs. A fork is a disagreement about the rules.
This page does not tell you what to buy. Not financial advice.