It’s the only enforcibly scarce, sufficiently decentralized, secure proof of work coin
Discussion
It also is the only/longest non-interrupted proof of work chain.
Actually, that title belongs to #Litecoin, the oldest blockchain with 100% uptime. Bitcoin has actually had several vulnerability issues, including the addition of 92 B bitcoin that required a "centralized" rollback of the blockchain.
Simply not true. None of the other coins I've mentioned in this thread suffer from "insufficient" decentralization, as can be proven by their lack of successful attacks.