I think bitcoin is a pretty huge invention,as i know this is the first digital money that being created and being used in whole world, it has gain so many attention from all over the world, so i think its a pretty important things that ever being created by mankind
Bitcoin is not the first digital money at all.
There had been several digital tokens before that.Even most of the fiat money of each nation is hold as digital numbers today.
What makes Bitcoin so special is that it is the first decentralized, cryptographically secured form of money.Big difference!
Imo it's invention is as big as the internet itself.The first time we were able to mimic a cash trade in a pure digital manner.The last missing piece since we are able to share data like information, pics, videos, music etc. over the internet.