1. The coins are not inside the app.
A Bitcoin wallet is usually an app or a device. It shows the amounts you can spend and helps you send and receive payments.
It manages keys: secret information used to approve spending. The bitcoin itself is recorded on the blockchain, the shared public record.
2. A receiving address is shareable. A secret key is not.
A receiving address is like a delivery address for a payment. Your wallet can create one. You can share it with someone who wants to send you bitcoin.
A private key is secret. Your wallet uses it to make a digital approval, called a signature, when you send a payment. It can prove approval without showing the key.
You may also hear public key. It helps others check a signature. It is related to an address, but they are not the same thing. Your wallet handles these details.
3. Recovery words are a spare master key.
Many wallets give you a seed phrase, also called a recovery phrase: an ordered list of words, often 12 or 24. It can restore the wallet's keys if your phone or device is lost.
Anyone who gets those words may be able to spend your bitcoin. Treat them like a master key, not like an ordinary account password.
Some wallets use extra recovery settings, such as a separate passphrase. Follow the exact instructions for your wallet; losing a needed backup or setting can prevent recovery. There is no universal password-reset service.
4. Who actually holds the keys?
If you control the keys, you are responsible for their safety and backup. This is called self-custody.
If a service holds the keys for you, you rely on it to send payments and give you access. Your login password is not the same as controlling the Bitcoin keys.
A hot wallet has keys accessible on an internet-connected device. Cold storage keeps spending keys offline. Neither removes the need for careful backups and payment checks.
A beginner safety checklist.
Keep recovery words private, back up keys carefully, and check each payment before approving it. You can practise these habits before owning any bitcoin.
- Keep the secrets secret.Never share a private key or recovery phrase with a trainer, support person, website, or stranger.
- Make the backup carefully.Follow the wallet's official instructions. Keep recovery words offline, safe from damage and other people's access.
- Check where you are.Use the wallet maker's official site. Be cautious of lookalike apps, search ads, and unexpected links.
- Read before approving.Check the recipient address, the amount, and the fee on the device you use to approve a payment.
- Protect your devices.Keep software updated and use a strong screen lock. Use strong, unique passwords for services you sign in to.
- Pause when someone rushes you.Promises of guaranteed returns, urgent payments, and requests for wallet access are reasons to stop and verify.
Quick answers about wallets
A wallet manages spending keys, and those keys and their backups need protection.
What does a Bitcoin wallet hold?
A Bitcoin wallet manages keys and helps you send and receive payments. It can show the amounts those keys let you spend, but the bitcoin itself is recorded on the blockchain. A wallet is more like a key ring than a purse, so protecting its keys and backup matters.
Can I share a receiving address?
Yes. A receiving address lets someone send bitcoin to you; sharing it does not give permission to spend. A private key is different: it approves spending and must stay secret. Bitcoin's payment record is public, so avoid posting receiving addresses unnecessarily even though they are not secret keys.
What is a seed phrase?
A seed phrase is an ordered list of recovery words used by many wallets to restore their keys. It is often 12 or 24 words. Anyone who gets the words may be able to spend your bitcoin. Keep them offline and private, and follow your wallet's exact backup instructions.
What does self-custody mean?
Self-custody means you hold and manage your own spending keys. You control access, and you are responsible for security and backups. If a service holds the keys instead, you depend on that service for access. An account login is not the same as controlling the Bitcoin keys yourself.
Compare hot wallets and cold storage, or revisit Bitcoin's shared payment record.