Daily Coin Issuance Rate
Daily BTC newly issued through block subsidies, showing the inflation rate in real time. Halvings are immediately visible as step-changes in this curve.
What is it?
The Coin Issuance Rate measures the raw volume of new bitcoins created daily through block subsidies, expressed in BTC. Each mined block generates a fixed reward that is halved at each halving event, and approximately 144 blocks are mined per day. This volume is in permanent and predictable decline thanks to the halving mechanism that halves the reward every 210,000 blocks (~4 years). This staircase-like descending curve is one of the most fundamental properties of Bitcoin's monetary policy.
How to read
The curve shows the daily volume of newly issued BTC, with a staircase-like decay and sharp steps at each halving. Between halvings, volume remains nearly constant as the block reward is fixed. A high volume (network's early years) means new supply is significant - structural miner selling pressure. A low volume (later cycles) means new issuance becomes marginal.
Key zones
Before the first halving, daily issuance followed the initial 50 BTC per block reward. After each halving, volume is mechanically halved. To convert to an annualised inflation rate, multiply daily volume × 365 and divide by total supply: in later cycles this rate falls below gold's threshold (~1.5-2%/year), making Bitcoin structurally disinflationary compared to precious metals.
What to observe
The most informative change is the network's reaction immediately after each halving: does hash rate drop (unprofitable miners quitting) or remain stable (miners anticipated the change)? The issuance rate trajectory also allows projecting when 99% of all BTC will have been issued (~2035), and when the last fraction of BTC will be created (~2140). These projections are deterministic, inscribed in the protocol code.
Historical context
Bitcoin has experienced several successive halvings (50→25→12.5→6.25→3.125 BTC, and so on). Each reduction was followed, with a 12-18 month lag, by a bull cycle - though causality is debated (the halving reduces new supply, but market expectations anticipate it). Daily issuance mechanically decays at each cycle. Eventually, transaction fees will need to compensate for the gradual disappearance of the block subsidy, until the theoretical last satoshi is mined around block 6,930,000.
Expert notes
The actual issuance rate can slightly deviate from theoretical because the number of blocks per day is not exactly 144 - it depends on hash rate and difficulty adjustment. During periods of excess hash rate, more than 144 blocks are mined daily, marginally accelerating issuance. This variance is small (<5%) but measurable. For precise analysis, use the actual issuance rate (BTC actually created) rather than theoretical (based on 144 blocks/day).
Common mistakes to avoid
The issuance rate is not Bitcoin's 'economic' inflation rate. Economic inflation also depends on permanently lost BTC (estimated at 3-4 million BTC), making net inflation even lower than the gross issuance rate. Furthermore, a low issuance rate does not guarantee a high price - demand is the other half of the equation. Finally, the halving does not 'reduce supply' - it reduces the rate of supply increase, a fundamental nuance.
Programmatic access
REST API
curl -sS \
'https://api.trinityinsights.io/api/v1/onchain/coin-issuance-rate/history?days=90' \
-H 'X-API-Key: $TRINITY_API_KEY'MCP server
{
"tool": "get_chart_value",
"metric_id": "coin-issuance-rate",
"timeframe": "1y"
}Required tier: free. See the pricing grid for the tier list and the MCP documentation for multi-client configuration.
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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.