This section will give you a good starting point for learning the basics about bitcoin. Beginning with the history of cryptography and finance and what occurred to bring bitcoin into existence and then information about bitcoin itself
"Bitcoin is a cryptocurrency and a digital payment system invented by an unknown programmer, or group of programmers, under the name Satoshi Nakamoto and released as open-source software in 2009.
The system is peer-to-peer, and transactions take place between users directly, without an intermediary. These transactions are verified by network nodes and recorded in a public distributed ledger called a blockchain. Since the system works without a central repository or single administrator, bitcoin is called the first decentralized digital currency"