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[20140912]英国央行称比特币存在欺诈和通缩风险
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Topic: [20140912]英国央行称比特币存在欺诈和通缩风险 (Read 1135 times)
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[20140912]英国央行称比特币存在欺诈和通缩风险
September 12, 2014, 10:38:51 AM
#1
北京时间9月12日凌晨消息,英国央行周四表示,比特币和其他类似的数字货币可能存在越来越大的欺诈风险,如果它们被广泛使用,可能对英国经济造成伤害。
英国央行表示,比特币的交易主要在用户之间,在银行系统之外进行,虽然可以被用来购买从披萨到计算机在内的大量商品,但是其有限供应的特性意味着,如果一个经济体将它作为主要的货币,那么就会存在有通货紧缩的风险。
英镑和美元这类货币的供应部分由央行控制,它们的目标是保持流动领域的货币数量与经济体所产生的商品以及服务的价值具有一致性。但是在2009年出现的,目前在全球范围有超过100万用户的比特币被设计为有2100万的供应上限,由算法产生的这种货币已经有超过1300万枚在流通。一比特币的价格目前是474美元,2014年以来其价格在362.12美元到919.24美元之间波动。
英国央行指出,无法预测的兑换率和交易成本增长的前景可能限制比特币以及类似的数字货币被大范围采用,但是更基础性的问题还是已经被固定的供应。央行称,“货币供应无法根据需求变动,可能导致价格,以及真实活跃程度上更大的波动。”传统货币的需求可能因为很多原因而变化,包括圣诞假期,经济的衰退以及技术的变革。
有比特币的支持者认为,固定的供应实际上是一个优势,因为这意味着政府或者央行无法通过改变货币供应来达到政治或者经济上的目的。英国央行在2009年到2012年期间通过购买政府债券创造了3750亿英镑(6100亿美元)货币,以支持经济增长。
相比一般的银行系统,比特币也提供了更大程度的匿名特性,使得这种数字货币成为在互联网上进行非法交易的流行选择。
英国央行说,比特币目前而言对英国金融系统的稳定性并不构成威胁。央行的估算显示,在英国只有不超过2万人有相当大规模的比特币持有量,每天在全英国范围只有不到300笔交易。央行指出,有大约60%的比特币交易是人民币相关的,美元和欧元相关交易分别有32%和3%的份额。
不过央行表示,用于比特币去中心化支付系统上的一些技术是具有前景的,这种系统可能比依赖一部分银行来验证交易的电子交易系统更加健壮。不过英国央行也指出,这一优点也依赖于比特币能够维持足够的使用者,也就是所谓的“矿工”,在独立验证交易的同时,维持交易成本足够低,来与银行进行竞争。
英国央行说,“数字货币可持续使用的一个显著风险是,它们无法在系统性退化到产生一个垄断性矿工的,并由此暴露在系统范围欺诈风险的前提下,在成本上具有竞争力。” (孔军)
文章:
http://finance.qq.com/a/20140912/005430.htm
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Re: [20140912]英国央行称比特币存在欺诈和通缩风险
September 12, 2014, 11:05:01 AM
#2
好象很多东西都存在欺诈和通缩风险吧。
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[20140912]英国央行称比特币存在欺诈和通缩风险
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