Bitcoin mining revenues fall to critical level for older miners as fee income slides post-halving
Bitcoin miner revenues have compressed sharply since the April 2024 halving.
Transaction fees currently contribute around 1.48% of block rewards, near the lowest share since 2023.
The decline highlights a growing reliance on subsidy income, which dropped to 3.125 BTC per block following the halving.
Hashprice has also remained stagnant.
At $48.9 per PH/s/day in late April, miner revenue failed to track Bitcoins spot price near $95,000. This dynamic has left power-hungry mining rigs operating at a loss. Units running between 25-38 J/TH earned about $0.06 per kWh, falling short of grid costs estimated at $0.08.
Fee spikes from Ordinals and Runes activity proved temporary. Despite surging to $127 per transaction during Runes April 2024 launch, average fees have since collapsed below $2.
The fading blockspace demand raises concerns about the sustainability of transaction-driven miner income. While 650 million users now have indirect access to Lightning Network channels, off-chain transactions have not materially boosted block rewards.
Developers are watching OP_CAT and CTV soft-fork proposals as potential catalysts. Galaxy Research expects consensus by 2025, though activation timelines remain uncertain.
Stress scenarios highlight miner vulnerability. With Bitcoin priced at $96,000 and fee income at 1%, nearly 35% of the network could face negative cash flow at standard electricity rates.
CryptoSlate modeling using Luxor hashprice and Coin Metrics ASIC-mix data shows that at an $85k BTC price and fees stuck at 1 % of the block reward, roughly a third of installed hashpower would operate below cash-flow breakeven at $0.08 /kWh.
At $96k, Bitcoins price rally shaves the pain, but one in five hashes is still unprofitable if the fee share stays pinned at 1 %. The subsidy alone cant keep mid-gen rigs humming on $0.08 power for long, highlighting just how fee-sensitive post-halving miner margins have become.
Older ASICs could pause first, driving fleet upgrades and testing Bitcoins decentralization. Without stronger fee markets or new demand cycles, the post-halving environment is tightening margins industry-wide.
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Text source: CryptoSlate
