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In order to produce Bitcoin, it must be mined through the Proof of Work mechanism embedded in the protocol. When I say produce, I do not mean creating more than the fixed 21 million supply. I am referring to the block rewards that miners earn for validating transactions and securing blocks that keep the Bitcoin network running. These rewards consist of newly issued Bitcoin, known as the block subsidy, alongside transaction fees paid by users.
Currently, the circulating supply stands at just under 20 million BTC, leaving a little over 1 million coins still to be mined. However, due to the halving cycle and the gradual reduction in block rewards every four years, the final Bitcoin is not projected to be mined until around 2140.
I will not dive into the technical complexities of mining today. Instead, this Morning Note focuses on a simple yet powerful metric used to gauge market conditions: the cost of production. More specifically, whether miners are operating at a profit or a loss.

