White Paper.

The Bitcoin white paper is a 9-page document authored by Satoshi Nakamoto, the pseudonym used by the unknown creator(s) of the Bitcoin cryptocurrency. It was published in 2008 and outlined the technical details and design philosophy behind the creation of Bitcoin.

The white paper presents a decentralized electronic cash system that allows for online payments to be sent directly from one party to another without the need for a financial intermediary. In addition, it explains the use of blockchain technology and cryptographic methods to achieve the goals of security, decentralization, and privacy in digital transactions. The white paper is widely considered the foundational document for the entire cryptocurrency industry and is still regarded as a seminal work in the field of digital currencies.