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比特币现金全网算力飙升,恶意矿工难成气候
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Topic: 比特币现金全网算力飙升,恶意矿工难成气候 (Read 114 times)
bancroftS
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比特币现金全网算力飙升,恶意矿工难成气候
August 10, 2017, 01:51:14 PM
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比特币现金(BCC)是基于Bitcoin ABC扩容方案产生的新型区块链资产,删除了隔离验证(SegWit)相关代码,支持区块8M大小,采用的是链上扩容技术路线,继承了中本聪的衣钵,目的是打造一个代码简单、区块大小可以调节客户端。比特币现金已于2017年8月1日20时开始挖矿。
比特币现金改变了比特币技术的初衷,是一种新型的技术尝试,尤其是挖矿难度动态调整备受争议,违背了中本聪设计比特币的初衷。但比特币现金作为一种竞争币,为了适应市场的需求对比特币技术路线进行一定的创新改变无可厚非。与此同时,比特币现金挖矿难度动态调整也是保证网络正常运行的必备条件。
挖矿难度动态调整简单理解就是根据市场的需求系统会自动对挖矿难度进行一定的调整,以保证比特币现金矿工有利可图,在有利可图的情况下矿工才会去选择去挖比特币现金,把更多的算力切换到比特币现金挖矿,从而保证比特币现金网络朝着更加快速稳定的方向发展。
比特币现金是对比特币进行一次硬分叉产生的区块链资产,在和主链分离之前它存储的区块链数据以及运行的软件适合所有比特币节点兼容的,分离以后开始执行新的代码,打包大区块,产生一条新的比特币现金区块链,沿用比特币的挖矿难度,随后系统会对挖矿难度进行动态调整。
比特币有大算力的支持,出块速度快,网络运行稳定。比特币平均每10分钟出一个块,而比特币现金矿工挖到第一个块耗费了5个小时,而之后的一个块耗费了12个小时,对于大多数人来讲这不足为奇,由于算力的支持较少,挖矿难度没有及时的进行调整,出块速度慢也在情理之中。
据了解,比特币现金挖矿难度已经出现了多次调整,降低了很多,矿工已经更容易发现块,这也导致更多的矿工把算力切换到了比特币现金。截止到目前为止,比特币现金的全网算力在2000P左右,接近比特币全网算力的三分之一(比特币全网算力约6800P)。
在未来的一段时间内,比特币现金挖矿难度将会持续的进行动态调整,出块的速度会变得和比特币一样平均10分钟左右出一个块。但是,由于比特币和比特比现金价格之间的巨大差距,从经济角度来说,矿工选择挖比特币更合理,利润更大。矿工也会根据市场进行算力的切换。
当然,比特币现金也面临恶意矿工的威胁,掌握大量算力的恶意矿工会在挖矿难度调整的临界点把大量的算力切换到比特币现金挖矿,阻止挖矿难度的调整,然后把算力在切回到比特币挖矿,这导致诚实矿工利益的受损,而诚实的矿工只有选择暂停12小时比特币现金挖矿以保证挖矿难度下调。
不过,恶意矿工对比特币现金的威胁只是阶段性的,并不能对比特币现金产生致命的威胁。比特币现金的未来是由市场和用户决定的,而不是由某些人的个人意志决定的,恶意矿工只能延缓比特币现金网络的稳定发展,但阻止不了比特币现金生态化的进程。
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比特币现金全网算力飙升,恶意矿工难成气候
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