No one can reach what bitcoin' s position now even ethereum is trying hard to beat the position of bitcoin. Bitcoin has a large lead as a store of value over every altcoin in having existed 8 years without failure. The security of Bitcoin has been proven far more than its much younger counterparts with usage by almost every metric exceeding that of altcoins.Bitcoin is far more liquid, with much larger volumes than every altcoin. Bitcoin has the largest developer ecosystem with more software and more implementations than any altcoin.