Mining Rewards Breakdown
Daily mining rewards split between block subsidy and transaction fees, both denominated in USD.
What is it?
Stacked decomposition of the two components of daily miner revenue in USD: the block subsidy (coinbase) and transaction fees. The subsidy decreases mechanically at each halving (halved every ~210,000 blocks), while fees depend on block-space demand. The sum of both constitutes the total revenue that miners convert to fiat to cover operational costs.
How to read
Read the relative share of fees: in bull markets with mempool congestion, the fees band swells; in bear markets with empty mempool, the subsidy dominates. A sustained rise in the fee share over multiple cycles indicates a structural transition toward a security model financed by on-chain demand rather than programmed inflation.
Key zones
Historically, the fee share oscillates between a few percent in nominal regime. During high-demand episodes (Ordinals inscriptions, speculative bull runup), it reached notable levels temporarily. A sustainedly elevated share over multiple quarters would mark a structural shift toward a fee-driven model.
What to observe
Cross-reference with the halving schedule: each halving divides the subsidy component by two. For total revenue to remain constant in USD, either BTC price doubles, or the fees component absorbs the drop. Also observe Ordinals episodes as tests of the fee-market capacity to compensate for a decreasing subsidy.
Historical context
Originally, in 2009-2010, fees were near zero and the subsidy represented all revenue. The first notable fee-dominance episodes appeared at the bull market peaks of 2017 and 2021. Ordinals inscriptions launched in late 2022 introduced a new class of block-space demand, durably swelling the fees component during NFT mass-minting and BRC-20 episodes.
Expert notes
The BTC to USD conversion uses daily spot price, introducing price dependency. To analyse pure block-space demand, prefer the decomposition in BTC or satoshis. The USD representation remains relevant for comparing miner revenue with operational costs (electricity, hardware) billed in fiat currency.
Common mistakes to avoid
A very low fees share does not indicate absence of demand - it may simply reflect an undersaturated mempool where users do not need to outbid. Conversely, a very high fees share can be cyclical (one-off Ordinals episode) rather than structural. Read the multi-cycle trend, not the instantaneous value.
Programmatic access
REST API
curl -sS \
'https://api.trinityinsights.io/api/v1/onchain/mining-pools-rewards-breakdown/history?days=90' \
-H 'X-API-Key: $TRINITY_API_KEY'MCP server
{
"tool": "get_chart_value",
"metric_id": "mining-pools-rewards-breakdown",
"timeframe": "1y"
}Required tier: pro. See the pricing grid for the tier list and the MCP documentation for multi-client configuration.
Related metrics
Institutional disclaimer
Trinity Insights is an educational and analytical tool. The metric above does not constitute investment advice. Trinity Insights is not a Crypto-Asset Service Provider (CASP) registered under MiCA Regulation (EU) 2023/1114. See the full disclaimer.