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How Many Bitcoins Existed at the Start?

Bitcoin did not begin with 21 million coins in circulation. Its supply cap is 21 million, and new BTC has been issued gradually since 2009.

How Many Bitcoins Do I Need?

How many bitcoins do I need? There is no fixed number. The right amount depends on your goal, time horizon, risk tolerance, and budget.

How to Sell Bitcoin Safely: Exchanges, P2P, and Scams to Avoid

Learn how to sell bitcoin through exchanges, P2P platforms, and in-person deals, plus how to judge fair prices and dodge payment scams.

What Do Bitcoins Look Like? A Beginner’s Guide

Bitcoins do not have a fixed physical look. Most people see Bitcoin as a wallet balance, QR code, address, or blockchain transaction record.

How to Load Bitcoins Into a Wallet or Account

How to load bitcoins usually means sending BTC into a wallet or exchange account. The key is using the right BTC deposit address and checking it carefully.

How the Bitcoin Lightning Network Works

The Bitcoin Lightning Network works by opening payment channels, updating balances off-chain, and settling the final result on Bitcoin.

How to Lend Bitcoin Safely: Methods and Risks

How to lend bitcoin starts with choosing the right model, checking where yield comes from, and understanding custody, liquidation, and withdrawal risk.

How Many Kinds of Bitcoins Are There?

Strictly speaking, there is only one native Bitcoin: BTC. People often mix in forked coins, wrapped versions, and lookalike tokens.