The anonymous founder of Bitcoin, Satoshi Nakamoto, solved the hard problems associated with digital scarcity with a white paper in 2008, and launched Bitcoin in 2009.
I would recommend Lyn Alden's essay.. Very rational grounded discussion on that.
Soundest and most objective comparison between Bitcoin and Ethereum. Very refined and straightforward. Lyn is so bright and good at conveying the essentials. Must read to understand money, and how mutable Ethereum is to be sound money and compete with Bitcoin.