What makes bitcoin different from other cryptocurrencies is that it is not controlled by several office, Bitcoin is control (manage)in on place, and censorship resistant, meaning that transactions cannot be blocked or reversed. Additionally, it carries no counterparty risk the person who owns the bitcoin control the asset directly, rather than banks or financial companies. Bitcoin also benefits from growing regulation of bitcoin are clear ,making it highly trusted by institutions, investors.
what makes bitcoin different from other coins, is that bitcoin is decentralized, no authority is controlling bitcoin, bitcoin is on it own, bitcoin is a store of value with potential returns, bitcoin is more profitable and less risky when being approached with investment, accumulating bitcoins and holding it for a very long time will give you massive profit than trading bitcoin.
Invest in bitcoin with what you can afford to loose, use your discretionary income to invest in bitcoin consistently using the DCA method which is common among investors for that is the best way to approach bitcoin.