作用:一个简单的区块
{
"index":0,
"timestamp":"",
"transactions":[
{
"sender":"",
"recipient":"",
"amount:5,
}
],
"proof":"",
"previous_hash":"",
}
{
"index":0,#索引
"timestamp":"",#时间戳
"transactions":[#交易信息
{
"sender":"",#交易发送者
"recipient":"",#交易接收者
"amount:5,#交易金额
}
],
"proof":"",#工作量证明
"previous_hash":"",#上一个区块的哈希值
}