As with every expense, particularly a single as new and risky as bitcoin, investors should very carefully consider if bitcoin is the ideal investment decision for them. 区块链是一个交易数据库，在网络上多台电脑之间更新和共享。每次添加一组新交易时，就称其为“区块”，这也是区块链名称的由来。以太坊这样的公开区块链，允许任何人添加数据，但不能删除数据。如果有人想要篡改任何信息或欺骗系统，他们... https://bookmark-group.com/story3151021/detailed-notes-on-spot-bitcoin