Plain-language answers
Short answers to common questions about Bitcoin, prices, wallets and risk. Use the linked guides when you need more detail.
What is Bitcoin?
Bitcoin is a digital asset and payment network. Transactions are recorded on a public blockchain rather than processed through one central bank.
How does Bitcoin work?
Wallet software creates signed transactions. Network participants verify them, and miners add valid transactions to blocks.
How is Bitcoin’s value determined?
The price is determined by supply and demand across separate trading venues. There is no single official worldwide Bitcoin price.
Is Bitcoin safe to use?
The network uses strong cryptography, but users still face price volatility, scams, lost keys, malware and mistakes when entering addresses.
Can I convert Bitcoin to US dollars?
Our calculator provides an estimate using a recent reference rate. Selling requires an external provider, whose quote, fees and eligibility rules can differ.
Do I need a wallet to use this calculator?
No. The calculators work without an account or wallet. A wallet is required only when you actually hold or transfer bitcoin.
Is Bitcoin legal?
Rules differ by country and can change. Check current local requirements, especially for taxes, reporting and regulated service providers.
Can I lose money with Bitcoin?
Yes. Bitcoin is volatile and can lose value quickly. Fees, spread, fraud and loss of wallet access can also cause losses.