# 比特币常用名词学习 | 区块链

in cn •  7 years ago 

1. 矿工

在比特币网络中, 竞争计算能获得的新发行的比特币奖励, 很像开采埋在地底的矿物过程而形象的叫做挖矿, 竞争挖矿的人或组织, 叫矿工

2. 算力

可以简单的理解为计算能力.矿工解答比特币提出的数学题, 只能靠计算机做随机的哈希碰撞, 每秒能做多少次哈希碰撞, 就是其算力的代表.

目前主流矿机的算力为10T左右.

算力单位换算 1P = 1024T 1T = 1024G
exahash 百亿亿次级 10^18 次哈希碰撞, 现在全网算力以接近16 exahash / s

3. 工作量证明

记账成功后, 矿工把交易记录到一页账本里, 同步给其他人. 因为得到了记账的权利, 说明矿工是付出了工作量的, 其他人也承认该矿工的记账.这种共识机制叫做工作量证明. 简称PoW.

这种共识机制需要消耗大量的电力来进行哈希计算.

4.权益证明

比特币所有权的证明, 根据你在网络里所拥有的代币多少, 竞争记账权, 拥有权益越大则成为下一个记账人的机率越大, 在一定程度上缩短了共识达成的时间, 不需要大量消耗能源挖矿, 叫做权益证明.简称PoS

5. 区块

比特币网络是一个巨大的账本, 平均10分钟会诞生一页, 叫做区块

6. 区块链

每个区块被打上时间戳, 按照严格的的先后顺序, 链接起来, 教区块链

以上信息皆来自于网络, 作为个人学习.

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