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Bitcoin for Beginners
Everything you need to understand Bitcoin — what it is, how it works, why it matters and how to get started safely. No jargon. No hype. Just clear, honest information.
What is Bitcoin?
Bitcoin is a digital currency — also called a cryptocurrency — that exists entirely online. Unlike pounds, dollars or euros, Bitcoin is not issued or controlled by any government, central bank or company. It was created in 2009 by an anonymous person or group using the name Satoshi Nakamoto.
Bitcoin runs on a technology called the blockchain — a public, distributed ledger that records every transaction ever made. Because this ledger is maintained by thousands of computers worldwide, no single person or organisation can alter or control it.
There will only ever be 21 million Bitcoin in existence. This fixed supply is written into Bitcoin's code and cannot be changed. This scarcity is one of the reasons many people consider Bitcoin a store of value — similar in some ways to gold.
Key Bitcoin concepts explained simply
Blockchain
A blockchain is a chain of digital records (blocks) linked together in order. Each block contains a batch of transactions. Once a block is added to the chain, it cannot be altered — making the record permanent and tamper-proof.
Wallet
A Bitcoin wallet is software (or hardware) that stores your Bitcoin. It does not actually hold coins — it holds the private keys that prove you own Bitcoin on the blockchain. Think of it like a keychain, not a purse.
Private key
A private key is a secret code that proves ownership of your Bitcoin. Never share your private key with anyone. If someone has your private key, they have access to your Bitcoin.
Public address
A public address is like a bank account number — you share it with others so they can send you Bitcoin. It is safe to share your public address.
Mining
Bitcoin mining is the process by which new Bitcoin transactions are verified and added to the blockchain. Miners use powerful computers to solve complex mathematical problems. In return, they receive newly created Bitcoin as a reward.
Seed phrase
A seed phrase (also called a recovery phrase) is a set of 12 or 24 words that can restore access to your Bitcoin wallet if you lose your device. Write it down and store it securely offline. Never share it with anyone.
How does a Bitcoin transaction work?
You initiate a transaction
You open your Bitcoin wallet and enter the recipient's public address and the amount of Bitcoin you want to send.
The transaction is broadcast
Your wallet broadcasts the transaction to the Bitcoin network — thousands of computers worldwide that maintain the blockchain.
Miners verify the transaction
Miners compete to verify your transaction and include it in the next block. This process typically takes 10 minutes.
The transaction is confirmed
Once included in a block, your transaction is confirmed. After several confirmations, it is considered permanent and irreversible.
Staying safe with Bitcoin
Never share your private key or seed phrase
Anyone who has these can take your Bitcoin. No legitimate service will ever ask for them.
Use a reputable wallet
Choose a well-established Bitcoin wallet from a reputable provider. Research before downloading any wallet software.
Be wary of scams
Bitcoin transactions are irreversible. If someone promises guaranteed returns, asks you to send Bitcoin first, or claims to be from a government agency — it is almost certainly a scam.
Start small
If you are new to Bitcoin, start with a small amount you can afford to lose while you learn. Never invest money you cannot afford to lose.
Understand the risks
Bitcoin's price is highly volatile. Its value can rise and fall dramatically in short periods. Bitcoin is not a guaranteed investment.
Educational information only. This page provides educational information only. Nothing on this page constitutes financial advice. Bitcoin and cryptocurrency investments carry significant risk. Always do your own research and consult a qualified financial adviser before making any investment decisions.
Bitcoin beginner questions
Is Bitcoin real money?
Bitcoin is a digital currency that can be used to buy goods and services from merchants who accept it. It is not legal tender in the UK, but it is a legitimate asset that can be bought, sold and used in transactions.
How do I buy Bitcoin?
Bitcoin can be purchased through regulated cryptocurrency exchanges. You create an account, complete identity verification, and buy Bitcoin using pounds or another currency. This page provides educational information only — always use a regulated, reputable exchange and understand the risks before buying.
Can I lose all my Bitcoin?
Yes. Bitcoin's price is highly volatile and can fall significantly. You can also lose access to your Bitcoin if you lose your private keys or seed phrase and have no backup. Only invest what you can afford to lose.
Is Bitcoin anonymous?
Bitcoin is pseudonymous, not anonymous. All transactions are recorded on the public blockchain and can be traced. While Bitcoin addresses do not contain personal information, transactions can often be linked to real identities through exchanges and other means.
What is the difference between Bitcoin and other cryptocurrencies?
Bitcoin was the first cryptocurrency and remains the largest by market capitalisation. Other cryptocurrencies (often called altcoins) include Ethereum, XRP, Solana and thousands more. Each has different technology, purpose and characteristics.