# 無礦風險

> **最後更新：2026 年 1 月**

無礦風險指的是在區塊鏈中，因挖礦不再有新的代幣回饋給礦工，造成礦工沒有繼續挖礦的動機。以比特幣區塊鏈來說，比特幣約在西元2140年會被全數發放完，不會再有新的比特幣透過挖礦生成。到那時，礦工唯一的獎勵就只能依賴交易發出者提供的交易手續費來維持區塊鏈網絡。

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#### 參考資料


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