# 第三章 比特币的价格和波动性

*免责声明：本书作者不是投资专业人士。本章提出比特币价格变动和整体波动的可能原因，并不包含投资建议。*

每个人都想知道：为什么比特币有价值？为什么价格涨得这么多？为什么如此波动？如果和美元不同，比特币不是靠一个经济体背书（或者更愤世嫉俗地说，靠罚款和监牢的威胁背书），为什么比特币会有价值？

当买卖双方存在不平衡时，资产的价格就会发生变化。对比特币来说，这些不平衡是由一些因长期、中期和短期视角而不同的因素驱动的。


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