比特币的英文名字叫做Bitcoin，简称BTC。比特币是一种去中心化的数字货币，它不受任何政府或者金融机构的管理，它的价值完全由市场决定。比特币是世界上第一种可以在网络上进行交易的数字货币，它是一种全新的货币形式，使用分散式账本技术（也称为区块链技术）来记录交易信息，并在全球范围内进行交易。

比特币的朋友们有很多，其中最有名的是比特币现金（Bitcoin Cash）、以太坊（Ethereum）、莱特币（Litecoin）、比特币SV（Bitcoin SV）、比特币量子（Bitcoin Quantum）等。这些数字货币都是基于比特币的，都使用分散式账本技术（也称为区块链技术）来记录交易信息，并在全球范围内进行交易。

比特币的朋友们有很多不同之处。比如，比特币现金与比特币的区别在于，比特币现金可以更快地完成比特币交易，而且比特币现金的交易费用更低；以太坊的特点在于它支持智能合约，可以用来实现分布式应用；莱特币的特点在于它的交易速度更快，而且费用更低；比特币SV的特点在于它支持更大的区块容量，以及更强的安全性；比特币量子的特点在于它支持量子安全性，以及更高的交易速度。

Bitcoin works on a peer-to-peer network, meaning users can send and receive payments directly from one another without the need for a third-party intermediary. Transactions are verified and recorded on a public digital ledger called a blockchain, which is maintained by a network of computers called miners. Miners are rewarded with newly created bitcoins for verifying transactions. The total number of bitcoins that can ever be created is limited to 21 million.

One of the main benefits of Bitcoin is its decentralized nature. Unlike traditional currencies, which are controlled by governments and central banks, Bitcoin is not subject to inflation or manipulation. Bitcoin is also fast and secure, with transactions taking just minutes to be confirmed. Additionally, Bitcoin transactions are anonymous, meaning users can make payments without having to provide their personal information.

Bitcoin is a relatively new and untested technology, and there are some risks associated with its use. For example, the value of Bitcoin is highly volatile, meaning it can rapidly increase or decrease in value. Additionally, Bitcoin is not backed by any physical asset or government, meaning its value is based entirely on the market. Finally, Bitcoin transactions are not reversible, meaning it is not possible to get a refund if a payment is made in error.

Bitcoin is a digital currency, also known as a cryptocurrency, that is created and held electronically. It is not backed by any physical asset or government, and its value is determined by the market. Bitcoin is decentralized, meaning it is not controlled by any government or bank. Transactions are verified and recorded on a public digital ledger called a blockchain. Bitcoin was created in 2009 by an anonymous person or group of people using the pseudonym Satoshi Nakamoto.

Bitcoin works on a peer-to-peer network, meaning users can send and receive payments directly from one another without the need for a third-party intermediary. Transactions are verified and recorded on a public digital ledger called a blockchain, which is maintained by a network of computers called miners. Miners are rewarded with newly created bitcoins for verifying transactions. The total number of bitcoins that can ever be created is limited to 21 million.

One of the main benefits of Bitcoin is its decentralized nature. Unlike traditional currencies, which are controlled by governments and central banks, Bitcoin is not subject to inflation or manipulation. Bitcoin is also fast and secure, with transactions taking just minutes to be confirmed. Additionally, Bitcoin transactions are anonymous, meaning users can make payments without having to provide their personal information.

Bitcoin is a relatively new and untested technology, and there are some risks associated with its use. For example, the value of Bitcoin is highly volatile, meaning it can rapidly increase or decrease in value. Additionally, Bitcoin is not backed by any physical asset or government, meaning its value is based entirely on the market. Finally, Bitcoin transactions are not reversible, meaning it is not possible to get a refund if a payment is made in error.