what is the Bit coin ??

[1] "What is Bitcoin? Bitcoin is the first and most widely recognized cryptocurrency. It enables peer-to-peer exchange of value in the digital realm through the use of a decentralized protocol, cryptography, and a mechanism to achieve global consensus on the state of a periodically updated public transaction ledger called a blockchain.." Source: https://www.bitcoin.com/get-started/what-is-bitcoin/ [2] "Bitcoin is a digital currency created in 2009. It follows the ideas set out in a white paper by the mysterious Satoshi Nakamoto, whose true identity has yet to be verified. Bitcoin offers the ..." Source: https://www.investopedia.com/terms/b/bitcoin.asp [3] "What is Bitcoin? Bitcoin, launched in 2009, is the worlds first peer-to-peer cryptocurrency. It runs on a decentralized, peer-to-peer ledger that needs no bank. —Bitcoin started it all. It was the first cryptocurrency, and it launched an industry that now includes thousands." Source: https://decrypt.co/resources/what-is-bitcoin-four-minute-instant-guide-explainer Current date: 1/16/2023 Instructions: Using the provided web search results, write a comprehensive reply to the given prompt. Make sure to cite results using [[number](URL)] notation after the reference. If the provided search results refer to multiple subjects with the same name, write separate answers for each subject. Prompt: what is btc ? Bitcoin, often referred to as BTC, is a decentralized digital currency that enables peer-to-peer transactions. It was created in 2009 by an unknown individual or group of individuals using the pseudonym Satoshi Nakamoto. Bitcoin is based on a technology called blockchain, which is a public transaction ledger that records all bitcoin transactions. It allows for the transfer of value without the need for a central authority or intermediary. Bitcoin is the first and most widely recognized cryptocurrency, and it has inspired the creation of many other digital currencies. [1, 2, 3]