Whether Bitcoin reaching $100,000 will trigger a collapse in altcoins depends on multiple factors and cannot be generalized. Here are some possible scenarios and logical analyses:

1. Strengthening of Bitcoin's dominance and capital concentration effect: The rapid rise in Bitcoin's price may attract market funds, leading to the sell-off of other cryptocurrencies (especially low market cap altcoins), causing significant price drops.

2. Confidence transfer: Many investors may feel that altcoins carry higher risks and choose to concentrate their funds in relatively 'safe' assets like Bitcoin, further driving down the prices of altcoins.

Two; the impact of market cycles

Late bull market effect: If Bitcoin reaches $100,000 at the peak of the bull market, capital may gradually withdraw from the market, putting more selling pressure on altcoins, potentially triggering a collapse.

Risk of bubble burst: Market sentiment may rapidly shift from 'greed' to 'fear', and altcoins are usually more affected by emotional fluctuations, resulting in more severe declines.

Three. The quality of altcoins themselves

High-quality projects may benefit: Some high-quality altcoins with practical application scenarios and development potential may receive new attention after Bitcoin's rise, leading to capital inflow.

Poor-quality projects being eliminated: Altcoins lacking real value or purely speculative may crash due to reduced market liquidity.

Four: Participation of institutional capital

Bitcoin rising to $100,000 may indicate that institutional investors dominate the market, and they typically prefer to invest in mainstream coins like Bitcoin and Ethereum, which may further squeeze the survival space for altcoins.

Five: Capital rotation effect

Short-term collapse may occur, but not necessarily in the long term: After Bitcoin reaches $100,000, some profit-taking funds may flow into the altcoin market, triggering a short-term rebound or rotation of the market. However, this phenomenon depends on whether the market is still in a bull market environment.

Summary:

Whether altcoins will face a 'collapse' is closely related to the market sentiment at that time, capital flow, changes in Bitcoin's dominance, and the macroeconomic environment. If market confidence is concentrated in Bitcoin and altcoins lack real support, the likelihood of a collapse is higher. However, high-quality altcoins may survive the volatility and even gain new opportunities.