$BTC
Bitcoin (BTC) is a decentralized digital currency, often described as the first cryptocurrency. It operates without a central bank or single administrator, using peer-to-peer technology on a public, distributed ledger known as the blockchain. Transactions are verified by network nodes through cryptography and recorded on the blockchain.
Bitcoin was introduced in 2008 in a white paper by an anonymous person or group using the pseudonym Satoshi Nakamoto, and its use began in 2009. Initially conceived as a peer-to-peer electronic cash system, Bitcoin has evolved to be primarily seen as a store of value and an investment asset.
Key characteristics of Bitcoin include:
* Decentralization: It is not controlled by any single entity, making it resistant to censorship and single points of failure.
* Limited Supply: The total number of bitcoins that can ever be mined is capped at 21 million, which contributes to its scarcity.
* Transparency: All transactions are recorded on the public blockchain, although the identities of the users remain pseudonymous.
* Security: Cryptographic techniques secure the network and verify transactions.
* Mining: New bitcoins are created and transactions are verified by a process called mining, which involves solving complex computational problems.
While Bitcoin offers benefits such as lower transaction fees compared to traditional online payment mechanisms and the potential for financial autonomy, it has also faced criticism due to its energy consumption for mining, price volatility, and use in illicit activities. Nevertheless, it remains the most well-known and largest cryptocurrency by market capitalization, significantly influencing the broader cryptocurrency market.