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There is no publicly verified answer to how many bitcoins Craig Wright has. The key issue is whether he can prove control of any claimed addresses.

Has Bitcoin crashed? A sharp drop alone does not answer that. Separate price action, bear markets, and actual network or platform failure.

A quick course on bitcoins starts with the basics: what Bitcoin is, how it works, how to store it, and why its price moves.

Which countries use bitcoin? Many do in practice, but legal status, payment use, and fraud risks vary widely by country.

Yes, a country has made Bitcoin legal tender. The real question is what that changes in payments, adoption, and day-to-day economic use.

What country has the most bitcoin? There is no single accepted ranking. The answer changes if you mean government holdings, custodians, or residents.

Bitcoin Core is used to run a full node, verify Bitcoin rules, broadcast transactions, and manage a self-custodied wallet locally.

Bitcoin Core is the open-source software that validates Bitcoin transactions and blocks, runs a node, and can also work as a wallet.