Cryptocurrencies are crafted on cryptography. They're not secured by folks or by rely on, but by math. It is much more probable that an asteroid falls on your home than that a bitcoin deal with is compromised. 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... https://zanderiwcwu.buscawiki.com/853931/article_under_review