Bitcoin lessons
Fifteen short lessons, two to five minutes each. Start at the top and work down, or jump to what you need. New here? The Start page is a quick overview, and the FAQ has straight answers to common questions.
What is Bitcoin?
Digital money with no boss and no printer.
3 min read02Sats explained
Why you never need to buy a whole bitcoin.
2 min read03Why 21 million?
The fixed supply, the halving and why scarcity matters.
3 min read04What is the halving?
How new bitcoin is released, and why it slows down every four years.
3 min read05How mining works
What miners actually do, and why it keeps Bitcoin honest.
4 min read06How to buy Bitcoin safely in the UK
Picking a platform, staying protected and making a test withdrawal.
4 min read07What is a wallet?
Keys, addresses and who is really in control.
3 min read08Wallets: hot vs cold
Spending money vs savings, and which wallet type fits each.
3 min read09Seed phrases and backups
The 12 or 24 words that matter more than anything else.
3 min read10Bitcoin addresses explained
What the different address types mean and how to check one.
3 min read11Sending, receiving, fees and the mempool
How a payment actually moves, and why fees go up and down.
4 min read12Avoiding scams
The common tricks and the simple rules that beat them.
5 min read13DCA and long-term thinking
Buying a fixed amount on a schedule, and why time matters.
3 min read14Lightning basics
Fast, cheap Bitcoin payments on a layer built on top.
3 min read15UK tax: a pointer
Where to find the official HMRC guidance.
2 min readMore guides
Cold wallet vs hot wallet
Spending money in one pocket, savings in the safe.
Read the guide →GuideIs my Bitcoin safe on an exchange?
FCA, FSCS and what happens if a firm fails.
Read the guide →GuideCrypto tax records for HMRC
What to keep for every transaction.
Read the guide →GuideBitcoin inheritance in the UK
Make sure your family can reach it.
Read the guide →Not financial advice. These lessons are general education only. Bitcoin prices can swing hard. Never put in more than you can afford to lose, and do your own research.
Watch: our first video, Only 21 Million Bitcoin, Ever. Watch the video or open on YouTube.
UK rules, safety and selling
Is Bitcoin legal in the UK?
Yes, with some rules. Who regulates it and what is banned.
For UK readersIs Bitcoin safe?
The real risks, from scams to price swings, and how to reduce each.
GuideHow to sell Bitcoin in the UK
Cashing out to your bank safely, with a checklist.
For UK readersBitcoin ETNs and ISAs in the UK
What an ETN is and the ISA and pension rules since April 2026.
For UK readersHow to report a Bitcoin scam
What to do first and who to report it to in the UK.
For UK readersPopular guides
Guides: Move bitcoin from an exchange to your own wallet · Lost or broken hardware wallet · Pilot guide · Episode 1 guide