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miner

Yes. After all bitcoin is mined, proof of work still runs because miners continue competing to add blocks and earn transaction fees.

How to add money to Bitcoin usually means funding an exchange account first, then buying BTC or sending BTC to your wallet.

To add bitcoins to Electrum, copy your receiving address, send BTC from an exchange or another wallet, and wait for network confirmation.

A Bitcoin address usually does not truly expire. If the transaction confirms, the outcome depends on who still controls that address's private keys.

Adam Hayes’s cost of production model for Bitcoin explains how mining costs can shape price support and miner behavior, not a fixed fair value.

Adam Back was not confirmed as Bitcoin’s creator. His Hashcash work influenced Bitcoin, but that is different from authorship.

A bitcoin pool account is your mining pool login and payout setup, not the same as a wallet. It tracks hash power, earnings, and payout settings.

Yes, you can send bitcoin directly from Cash App if your account supports withdrawals and you verify the address, network, and wallet control first.