Definition ∞ BTC supply scarcity describes the finite and predetermined limit on the total number of Bitcoin that will ever exist. Capped at 21 million units, Bitcoin’s supply is programmatically controlled, with new coins introduced through a halving mechanism that reduces mining rewards approximately every four years. This fixed issuance schedule contrasts sharply with fiat currencies, which can be printed without limit, contributing to Bitcoin’s deflationary properties. The predictable reduction in new supply reinforces its value proposition as a digital asset with inherent limitations on its availability.
Context ∞ BTC supply scarcity is a central theme in cryptocurrency news, particularly around halving events, as it directly impacts market dynamics and long-term price predictions. The increasing demand from institutional investors, coupled with this fixed supply, generates ongoing discussions about Bitcoin’s potential as a store of value. This inherent limitation is a key factor influencing Bitcoin’s economic model and its perceived digital gold status.
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