- So "Hash" it combination of Block Number, Nonce, and the Data? - If "mining" means computing the Nonce, what is the actual data to be hashed? - For Coinbase case, is it the data is the miner's Coinbase Account? So that if mining successful, the miner will get the "money"? If so, how do the first miner advertise the result so that the other peer can trust that the first miner actually get the money?