Learn Crypto with Bit.Fan Academy

From beginner to advanced — master exchanges, wallets and blockchain essentials

private key

Bitcoin is attributed to Satoshi Nakamoto, a named but unidentified creator. This guide explains its origin, white paper, launch, and design.

Why buy bitcoin? The real answer starts with purpose, risk limits, storage choices, and scam prevention before any purchase.

Bitcoin is limited to no more than 21 million coins. The key is how issuance, halving, and lost coins affect real supply.

How many bitcoins will there ever be? The supply cap is 21 million BTC. Here’s what that means for mined, unmined, and tradable supply.

When did bitcoin ETF launch? The right answer depends on product type and whether you mean approval or the first day of trading.

To send bitcoin to a wallet, verify the receiving address, choose the correct network, test with a small amount, and protect your private keys.

How to buy bitcoin on PayPal starts with checking availability, fees, withdrawal rules, and account security before placing a small test order.

To find if you have bitcoin, review old exchange accounts, wallet apps, email records, and backups, then confirm whether you control the wallet.