Bitcoin mining rewards remain active with transaction fees exceeding block subsidies by 2040.
Searchers inquire about the long-term mechanics of Bitcoin issuance as block subsidies halve toward zero. Resolves based on network fee transitions and ongoing proof-of-work mining operation.
Across 6 frontier models answering independently, the panel leans no: the median is 35%.
They do not agree: GPT puts it at 72% and Claude at 12%, 60 points apart. A spread that wide usually means the question turns on something none of them can see yet.
Nothing is settled until 28 Sept 2076, when the outcome is checked against sources and every number above gets a permanent score.
What each one said
-
GPTOpenAI
It turns on Bitcoin retaining meaningful settlement demand after the subsidy falls below typical fee revenue in the 2040s.
- At the 2040 halving, subsidy drops from 0.1953125 to 0.09765625 BTC per block, a low threshold for fees to exceed.
- Bitcoin has operated continuously since 2009, and fee spikes have repeatedly surpassed subsidies, supporting a long-horizon survival base rate.
- A durable collapse in Bitcoin use, price, or security before 2040 would most materially lower the odds.
72% -
QwenAlibaba
Fee revenue must outpace subsidy by ~2032 halving; the question is whether fee markets mature fast enough before subsidy approaches zero.
- Block subsidy halves to ~0.78 BTC by 2032 and ~0.39 BTC by 2036; fees must exceed these amounts, requiring sustained high on-chain demand or a large L1 settlement layer.
- Historically, fees have spiked during bull cycles (2017, 2021, 2024 ordinals) but sustained fee markets above subsidy levels have never persisted for multi-year periods.
- If a major L1 use case (e.g., institutional settlement, sovereign reserves) drives consistent fee pressure, this resolves yes; if activity migrates entirely to L2s…
72% -
GeminiGoogle
Network survival hinges on whether on-chain blockspace demand sustains high fee density once halving cuts subsidies to 0.195 BTC.
- By the 2040 halving block rewards drop to 0.195 BTC, making fee dominance mathematically likely unless L2s bleed all base-layer demand.
- Historically fees only briefly topped subsidies during extreme mania like Ordinals in 2023, averaging under 5% over sustained epochs.
- A catastrophic price collapse or shift to tail emission via hard fork would derail the fee-only security budget model entirely.
42% -
GrokxAI
On-chain fees must overtake the 0.195 BTC subsidy after four more halvings.
- Miners keep hashing while any positive reward exists; the 2140 zero-subsidy date is irrelevant.
- Four halvings cut the subsidy 16-fold from today’s 3.125 BTC; fees have never sustained even 20 % of reward except brief congestion spikes.
- Only a 10-20× rise in real on-chain demand (or equivalent BTC price) by 2040 would flip the ratio; Lightning and other L2s suppress that demand.
28% -
ClaudeAnthropic
Hinges on fee market growth outpacing subsidy decay well before 2040, which historical fee volatility argues against.
- By 2040 subsidy will be ~1.56 BTC per block (post 5 halvings from now), still economically significant versus typical fee revenue.
- Historical fee/subsidy ratios have rarely sustained fees exceeding subsidy except during brief congestion spikes, not a stable regime.
- Would need major shift like widespread high-value L1 settlement demand or sustained congestion; absent that, subsidy likely still dominates miner revenue by 2040.
12% -
DeepSeekDeepSeek
Whether fee revenue overtakes subsidy depends on sustained fee demand, not on any scheduled protocol event.
- Bitcoin's subsidy halves roughly every four years, dropping below 0.2 BTC per block by 2040, so fees must cover most miner revenue for the statement to hold.
- Fee share of miner revenue has historically stayed under 5% outside brief congestion spikes like 2017 and 2021, and no mechanism forces sustained high fees.
- If a major scaling breakthrough or persistent blockspace scarcity drives fees above subsidy before 2040, my view would shift sharply upward.
12%
6 of 6 models answered · 60 points between the highest and lowest. None was shown the market price.
Question sourced from a news sweep on 11 Oct 2026. Forecast by google/gemini-3.8-flash, anthropic/claude-sonnet-5, openai/gpt-5.6-terra, x-ai/grok-4.6, deepseek/deepseek-v4.1-flash, qwen/qwen3.8-max-0902 via OpenRouter.