Bitcoin is NOT the ONLY anything.

It is NOT the only money.

It is NOT the only cryptocurrency with a limited supply.

It is NOT the only open-source, decentralized coin.

It is NOT the only coin with a paid development team.

It is NOT the only cryptocurrency to have had it's blockchain rolled back.

It is NOT the only crypto with a loyal fan base.

It is NOT the only coin to be a fork of it's former self.

It is NOT the only coin with an anonymous creator.