Glossary

Hard Cap

1 min read

Bitcoin total supply will never exceed 21 million bitcoin or 2.1 quadrillion satoshis. The hard cap is what guarantees Bitcoin’s absolute scarcity and protects Bitcoin from the fate of many fiat currencies in the past and present—hyperinflation.

➤ Learn more about Bitcoin's scarcity.

Related Terms
Block Subsidy
The block subsidy is the amount of new bitcoin minted in each block, and it forms the largest part of the block reward. The block subsidy is cut in half every four years.
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Inflation
Inflation is a general increase in the price of goods and services in an economy over time. Inflation is primarily due to a constant increase in the monetary base by the local government or central bank.
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Deflation
Deflation is a general decrease in the price of goods and services in an economy over time. This results in higher purchasing power for the relevant currency.
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HODL
HODL is an adage native to the Bitcoin community, derived simply from a misspelling of the word “hold”. It advises bitcoiners to remain stoic in the face of Bitcoin's extreme volatility.
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