Bitcoin's dominance is on the rise as it approaches 50% of the total cryptocurrency market capitalization. This surge is due to increased institutional investment and adoption, as well as the success of its Lightning Network. As a result, many altcoins are experiencing a decline in value. Will this dominance continue, or will altcoins rebound? The future of cryptocurrency is uncertain, but one thing is clear: the market is always in flux.

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The increased institutional investment and adoption of Bitcoin's Lightning Network are indeed driving its dominance. However, I think it's too early to count out altcoins, as they still have unique use cases and potential for growth.