When Bitcoin per coin reaches 200,000 to 300,000 USD, the corresponding total market capitalization of BTC can be as high as 4–6 trillion USD, but the total hardware value of global Bitcoin mining machines is only about 8 billion USD.

**Core question:**
Using only 8 billion USD in mining-rig hardware to support a 4–6 trillion USD Bitcoin market capitalization—does the security foundation feel too thin?

- **Attack costs are seriously mismatched with market value:** theoretically, funding at the level of several tens of billions of USD could be enough to launch a 51% attack, while the market value is hundreds of times larger.
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- **The security budget is too low:** Bitcoin’s annual security budget (block rewards + transaction fees) is very low relative to its trillion-dollar market capitalization.
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- **Potential risks:** once the cost of an attack is considered “worth it” (for example, if profits can be made via short selling or double-spending), the network’s security could face systemic challenges.