1. Bitcoin is a decentralized digital currency that operates without the need for a central bank or administrator, making it a peer-to-peer currency. Transactions are verified by a network of computers running specialized software, and blockchain technology ensures that transactions are secure and tamper-proof.
2. Bitcoin was created in 2009 by an unknown person or group of people using the pseudonym Satoshi Nakamoto. The true identity of the creator(s) remains unknown to this day.
3. The supply of bitcoin is limited to 21 million coins, with approximately 18.6 million in circulation as of 2021. The limited supply is designed to prevent inflation and maintain the value of the currency over time. However, the price of bitcoin is highly volatile and subject to market fluctuations.