The world of cryptocurrencies is often dominated by Bitcoin, a digital currency that has revolutionized digital finance. However, its influence extends far beyond its own value, significantly affecting the altcoin market. This complex relationship between Bitcoin and altcoins raises pertinent questions about market dynamics and the factors underlying this interdependence. This article aims to explore the various facets of this relationship by examining technical, regulatory, psychological aspects, as well as the media's impact on the correlation between Bitcoin and altcoins.