Learn
New to crypto? This is the best place to begin. Short lessons explain the essential ideas in simple language, with no complicated terms left unexplained. Pick any tile below, or start at number 1 and work your way along. When you are ready, follow the full stories of Bitcoin, Ethereum and Solana further down. Use the Learn menu at the top of the page to jump straight to any level or subject.
Pass each module quiz to complete it. Your progress is saved in this browser on this device only.
Beginner start here, no background needed go deeper. Every module also shows its subject. Read times are for a relaxed first read. A third level, Experienced, now has eight modules.
Start here: the basics
What is a blockchain?
The shared record crypto is built on.
What does “decentralised” mean?
Why no single boss matters.
What is money?
And why people wanted a new kind.
What is cryptocurrency?
Digital money on a blockchain.
What is Bitcoin?
The first and best-known coin.
What is Ethereum?
Smart contracts and apps.
What is Solana?
A fast, low-fee blockchain.
How do wallets work?
Keys, recovery phrases and staying safe.
More Beginner modules, by subject
What is mining?
How some blockchains add new blocks, and who gets paid.
What is DeFi?
Finance run by code, without a bank in the middle.
What is a token, and how is it different from a coin?
Coins and tokens look alike but are not the same.
What is a stablecoin?
Crypto built to hold a steady price.
Why do crypto prices move?
Supply, demand, mood and why swings can be big.
Is crypto legal in Trinidad and Tobago?
What the law says, and what to check first.
What is staking?
Locking up crypto to help run a network.
What is a smart contract?
A program on a blockchain that runs by itself.
What are NFTs?
Unique tokens that record who holds a digital item.
What is a crypto exchange?
Where you swap money for crypto, and who holds your coins.
What is a memecoin?
Tokens built on jokes and hype, and why they are risky.
What is a DAO?
A group that decides by voting, with smart contracts doing the rest.
What gives crypto any value?
Why anyone pays for it, and why people disagree.
What is crypto used for?
Payments, apps, investing, and the limits to know.
Seed phrases: the one rule
The words that restore your wallet, and why you never share them.
What is market cap?
Price times coins in circulation, in plain words.
Why do networks pay people at all?
The rewards that keep a blockchain honest.
Safe habits checklist
Six habits that prevent most avoidable losses.
Risk basics: only what you can lose
The kinds of risk, and a simple rule of thumb.
Why does crypto regulation exist?
Crime, consumer protection and clarity, in plain words.
What have central banks said?
Warnings, and the digital money some banks built instead.
What is a price?
Order books, bids, asks and why prices differ.
Blockchain versus a normal database
Who is in charge, how records change, and when each fits.
The Bitcoin Story
Follow Bitcoin from the ideas that came before it to today, in six modules that run in order. Each one takes about 35 minutes. These are Intermediate modules, written to be reread as you learn more.
Before Bitcoin
The 20-year search for digital cash.
Satoshi and the white paper
Nine pages that started it all.
The early years
Pizza, exchanges and the first halving.
Growing pains
Hacks, forks and the 2017 boom.
Going mainstream
Companies, a country and big failures.
Bitcoin today
Funds, records and the pullback.
The Ethereum Story
Follow Ethereum from the idea of a blockchain that can run programs to the upgrades of 2025, in six modules. It makes most sense after Bitcoin modules 1 and 2. These are Intermediate modules, written to be reread as you learn more.
The big idea
What if a blockchain could run programs?
Building and launching
From idea to live network.
The DAO and the split
An attack, a fork and two chains.
Tokens, ICOs and traffic jams
Why everyone built on Ethereum.
DeFi, NFTs and fees
Apps without banks, and high costs.
The Merge and after
Proof of stake and cheaper use.
The Solana Story
Follow Solana from a 2017 idea about keeping time to the speed, outages, crash and comeback that followed, in six modules. It makes most sense after the Bitcoin and Ethereum stories. Each one takes about 35 minutes. These are Intermediate modules, written to be reread as you learn more.
A faster idea
A new way to keep time on a blockchain.
Launch and early growth
Going live, tiny fees and first apps.
The 2021 boom and the outages
A huge rise, then network stalls.
FTX and the crash
A hack, a collapse and a deep fall.
Comeback and memecoins
Airdrops, memecoins and a steadier network.
Solana today
Records, funds and next upgrades.
Put it together
Compare the two stories, build your own timeline and take the final quiz.
Experienced: think it through
Eight scenario modules for people who know the basics. Module 8 is being checked until a lawyer has reviewed it.
Trust: who holds the record?
Who can change the record, and who can freeze it?
Choosing a chain for a job
Match the chain to the job, not the hype.
A bad day: token approvals, look-alike addresses and what to do next
Know how wallets get drained, and what to do first.
Mining and staking: who pays, who earns?
Where does the reward actually come from?
Reading a smart contract’s promise
What is this app actually promising, and who can change it?
What backs the coin?
A peg is a promise. What stands behind it?
Judging a claim about price
Test the claim, not the coin.
Reading the rules
Where to find the rules and what to keep. Being checked.
Handy extras
Glossary
Crypto words explained in plain language. Search for any term.
SafetyScam Watch
How to spot and avoid the most common crypto scams.
Take your time, read at your own pace, and come back whenever you need a refresher. Understanding the foundation makes everything else much easier. Educational only, not financial advice.