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Crypto 101: Blockchain, Coins, and Wallets

Start at zero. What a blockchain actually is, what a coin is, how wallets and keys work, and how to spot the scams aimed at our community.

Beginner
1 hr4 lessons8-question testAll courses

Interactive workshop

Build your first-steps crypto plan

Tell me where you are starting from and I will lay out the safe order of operations — before you spend a dollar.

Join free to build your plan

Sections

Pass each section to unlock the next

Read it or listen to it, then clear the section test. Sections open one at a time.

Section 1

What a blockchain actually is

A blockchain is a shared record book. Instead of one bank keeping the only copy of who owns what, thousands of computers around the world each keep an identical copy and agree on u Join free to read, listen, and test.

Section 2

Coins, tokens, and stablecoins — what you are actually holding

Locked

A coin is the native asset of its own blockchain. Bitcoin runs on the Bitcoin network. Ether runs on Ethereum. A token is issued on top of somebody else's blockchain — most tokens Join free to read, listen, and test.

Section 3

Wallets, keys, and the phrase that controls everything

Locked

A wallet does not hold coins. The coins live on the blockchain. Your wallet holds the private key that proves you control an address. Whoever holds the key owns the funds. That is Join free to read, listen, and test.

Section 4

Buying safely, fees, taxes, and the scams built for us

Locked

Use an exchange registered with FinCEN as a money services business and licensed in your state. It will require identity verification under know-your-customer rules — that is the l Join free to read, listen, and test.

Course test

Prove what you learned

Members take a 8-question test at the end of this course. Score 80% or higher and a certificate of completion is issued to your account.

Create your free account