Bitcoin, 没有任何内在价值（不像黄金），也没有实际用途（以太币支持各种去中心化应用和项目，在交易上比bitcoin方便得多，快得多）。Bitcoin值多少钱，在于人类的sentiment。 一旦这个sentiment失效，它的价格就会迅速下降（可以是0）。
Bitcoin和stable coin不同的地方在于，bitcoin的价值不与美元对接，也没有黄金储存作为担保。一旦市场被trigged a sell off, 它没有任何底线。
但是，目前bitcoin的价值有以下五个方面作为保障：
- Institutional Adoption As institutional investors like banks, hedge funds, and publicly traded companies integrate Bitcoin into their portfolios, it reinforces trust and long-term stability. Institutional adoption adds liquidity to the market and signals confidence to smaller investors, reducing the likelihood of a complete price collapse.
- Decentralized Network Security Bitcoin’s blockchain is maintained by a global network of miners, ensuring it is nearly immune to centralized failures or attacks. This decentralization makes Bitcoin highly secure, giving users confidence in its continued functionality and preventing large-scale abandonment.
- Limited Supply (21 Million Cap) Bitcoin’s hard cap of 21 million coins creates digital scarcity, similar to precious metals like gold. This scarcity is a key driver of its value and prevents inflationary devaluation, which is common with fiat currencies. The fixed supply makes it unlikely to lose all value, even during market downturns.
- Global Investor Base Bitcoin’s adoption spans across borders, with millions of individuals, businesses, and institutions investing worldwide. This global demand ensures that Bitcoin remains valuable in diverse economic conditions, reducing the risk of a complete market collapse.
- Utility in Transactions Beyond investment, Bitcoin serves as a payment method for cross-border transactions and a hedge against inflation in some economies. Its utility creates ongoing demand, making it more than just a speculative asset and less likely to lose all value.
ChatGPT 也回答了Why Bitcoin has value 的问题：
Why Bitcoin Has Value
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Scarcity (Supply and Demand):
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There will only ever be 21 million bitcoins.
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Limited supply + growing demand = price support.
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Decentralization:
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It’s not controlled by any government or bank.
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This makes it attractive in unstable or authoritarian regions.
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Network Effect:
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Millions of people, companies, and financial institutions use or support Bitcoin.
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Major companies (like BlackRock, Fidelity, Tesla) have invested in it or use it for transactions.
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Digital Gold Thesis:
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Many view Bitcoin as a store of value like gold — protection against inflation or fiat collapse.
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Global Liquidity:
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Traded 24/7 across the world with deep markets.
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Can be converted to local currencies easily.
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Risks That Could Bring Price Down
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Regulatory Crackdowns:
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If countries like the U.S. or EU ban or heavily restrict usage, price could crash.
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Technological Risks:
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While unlikely, a bug or security flaw in Bitcoin’s protocol could destroy trust.
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Competition:
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If a better digital currency emerges and replaces Bitcoin’s use case.
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Loss of Public Confidence:
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If people stop believing in Bitcoin, its price could collapse — it's entirely sentiment-driven.
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