At block height 940,000 on March 9, the Bitcoin network quietly crossed a threshold that took fifteen years to reach: 20 million coins in circulation. The remaining one million will take 114 years to mine. Every major outlet covered the milestone with the expected scarcity framing, and that framing is correct as far as it goes. But the more interesting story is happening on the other side of the equation, where the people who actually produce Bitcoin are staring at economics that no longer make sense for most of them.
The $77,000 Problem
JPMorgan's latest estimate puts the average cost to produce one Bitcoin at approximately $77,000 in early 2026, down from roughly $90,000 earlier in the year thanks to more efficient hardware deployments. That sounds like progress until you consider the trajectory.
The April 2024 halving cut the block reward to 3.125 BTC. Daily issuance dropped to about 450 BTC across the entire network. Meanwhile, the hash rate has blown past 800 EH/s, a number that would have seemed absurd two years ago, pushing mining difficulty to consecutive all-time highs. More machines competing for fewer coins, each coin costing more energy to produce.
The squeeze is structural. Every halving cuts revenue per block in half while difficulty adjusts upward to match growing computational power. The 20 millionth coin milestone just makes the math more vivid: 95.2% of all Bitcoin that will ever exist has already been created. The revenue runway for pure mining operations is shrinking on a fixed, publicly visible schedule.
From Block Rewards to Transaction Fees (The Transition Nobody Is Ready For)
Bitcoin's long-term security model depends on transaction fees eventually replacing block rewards as the primary incentive for miners. This has been the plan since the whitepaper. The problem: fee revenue has never come close to sustaining current hash rate levels on its own.
During peak fee periods in late 2024 and early 2025, transaction fees briefly accounted for 15-20% of miner revenue. In normal periods, that figure hovers around 3-5%. Sustaining an 800 EH/s network on fees alone would require either dramatically higher transaction volumes, dramatically higher fee rates, or both. Neither trend is currently materializing at the pace needed.
John Todaro at Needham & Company expects many publicly traded miners to exit Bitcoin mining entirely by 2027-2028, pivoting their data center infrastructure toward AI workloads where the revenue per megawatt is substantially higher and growing rather than shrinking on a predetermined schedule.
That pivot makes economic sense for individual mining companies. It also raises a question the scarcity narrative conveniently ignores: what happens to network security if the hash rate follows the miners out the door?
The LeveX Take
The 20 millionth Bitcoin milestone has an irony worth sitting with. The scarcity that makes BTC valuable as an asset is the same force that makes producing it economically brutal. Every halving increases scarcity for holders while tightening the margin vise on miners. The network needs both groups to function, and the incentive structures are pulling them in opposite directions.
For traders watching the mining sector, the most actionable metric over the next 12 months is hash rate relative to BTC price. If price stays flat or declines while hash rate continues climbing, miner capitulation becomes a near-certainty for smaller operators, and historically, miner capitulation events have preceded significant price moves. The hash rate charts on Blockchain.com and publicly traded miner earnings reports (MARA, CleanSpark, Riot) are the leading indicators for this trade.
Mining's Identity Crisis
The 20 million milestone tells two stories simultaneously. For holders, it's a confirmation of Bitcoin's fundamental scarcity proposition: 95% done, 114 years to finish. For the industry that secures the network, it's a reminder that the current economic model has an expiration date baked into the protocol itself.
The next halving in 2028 will cut the block reward to 1.5625 BTC. At current hash rate growth trajectories and energy costs, that pushes production costs into territory that eliminates all but the most efficient operators. Whether the fee market matures fast enough to fill the gap, or whether miners accelerate their pivot to AI, will determine the shape of Bitcoin's security infrastructure for the decade ahead.
Trade BTC on LeveX spot or perpetual futures markets, and explore the Crypto in a Minute library for foundational guides on Bitcoin and mining economics.