libra coin might be an alternative coin for the future, but not to compete with Bitcoin, because it's too early to say Libra to compete with Bitcoin, just to be an alternative to not become a competitor or replace Bitcoin,,
I don't know the fate of the top 100 coins in coinmarketcap, if big companies and countries make coins, will they be displaced ?, we know LIBRA and Facebook have great power in this matter, my prediction is they will get into the top 10
Im not sure LIBRA could be called as cryptocurrency. I just want to assuming LIBRA are sucks like poin on games. After their able join into space our private message, then now he want to know more about our money.