bitcoincore improvement – When ought to proof-of-work be accomplished? Does it contain in mining a coin? Can or not it’s accomplished with out actual transactions to be recorded?

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I’m making an attempt to grasp about what bitcoin is. I conceptualize bitcoin as a proof of labor required when a brand new block (or new coin) is created. I additionally perceive {that a} proof of labor includes discovering a price (nonce) that might meet a zero bits requirement when hashed. (please appropriate me if my understanding is improper).
Am I proper saying that bitcoin mining is to seek out such a price that might fulfill the zero bit necessities when itself solely is hashed, or one which leads to the required zero bits when the worth itself and the transactions chosen, the earlier hash, and different related gadgets are hashed all collectively? If the latter is correct, would discovering a coin to create a block be solely potential as soon as there’s a actual transaction occurred? If that is true, what’s it folks mining bitcoins are doing? Are they really creating and circulating a block in a peer-to-peer community with actual transactions? If not, am I appropriate to suppose that they are often random individuals who use obtainable computing energy to seek out nonce values that meet the zero bit necessities and promote them to actual homeowners of the nodes in a peer-to-peer community who use them to create blocks from their nodes. I’m sorry for the dumb questions, however please assist me to grasp these fundamentals proper. Thanks very a lot!



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