Learn Crypto with Bit.Fan Academy

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

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How to Buy Bitcoin in Africa in 2026: Real Rules, Exchanges, and Payment Methods by Country

To buy bitcoin in Africa, first confirm your payment method and local rules, then use a trusted route, start small, and move coins to your own wallet.

How to Get a Private Key From a Bitcoin Address

How to get a private key from a Bitcoin address? In normal cases, you cannot. The real fix is to recover the original wallet, seed phrase, or backup.

Why Bitcoin Is Capped at 21 Million

Bitcoin can only reach 21 million coins because its protocol sets a hard supply cap and cuts new issuance over time through halving.

Why Bitcoin Cannot Exceed 21 Million Coins

Bitcoin cannot exceed 21 million coins because its issuance schedule shrinks over time and network nodes reject blocks that break the rules.

Does the Bitcoin Whitepaper Set a 21 Million Cap

The Bitcoin whitepaper does not state “21 million” in one plain sentence, but its issuance design and protocol rules lead to that supply cap.

Can Bitcoin Ever Exceed 21 Million?

Bitcoin cannot simply go past 21 million. The cap is part of the protocol; unit splits, forks, and platform balances do not change BTC supply.

How Bitcoin Security Works: Keys, Nodes, and Mining

How does bitcoin security work? It relies on private keys, node verification, and proof of work to protect ownership and block history.

How Many More Bitcoin Can Be Mined?

How many more bitcoin can be mined? Bitcoin has a 21 million cap, and the remaining supply will be released more slowly over time.