Show Posts
|
|
Pages: [1] 2 3 4 5 6 »
|
I have been in the Bitcoin community since 2011 and now I smell something that is not right about Bitfinex recently. I believe it is the right time to start this post, to let the community to have a full records of the ongoing history. I also want to start this post to let the whole community watch out for this risk. People are still using Bitfinex, and the trading volume of Bitfinex is still among the largest. However, I have already find the clue of fraud, and the evidence of amateur. This unregulated exchange is a huge risk for the Bitcoin economy. We need to let more people to know about the risk associated with this exchange, and we should let other traders know. I am living in China and getting communicated a lot with the bitcoin community there. On 14th Aug, the COO of btc123.com, Chandler Guo, has removed bitfinex from their list of quotations. btc123.com remove bitfinex 4days ago! Chandler shared a very important piece of information in a Wechat group, indicate that a China arbitrage trading team have find issues when withdrawing bitcoin from the Bitfinex exchange. Soon, I myself get confirmed from the leader of the team, Mr. Zhao, confirmed it. He said that he had to "rummaged around" the whole Bitfinex contact list and trying every way to have a respond, and then got the Bitcoin withdraw done. The bitfinex give him an excuse of something with the evil U.S. government seizing their fund. This has never happened before. Mr Zhao showed us the email:  Evil U.S. government are seizing our fund. The withdraw is slow. Signs of market manipulation. Doesn't it looks pretty familiar? When we find signs of similar problems with mtgox, mtgox is not shutting down immediately. The whole situation of mtgox evolved in about 10 months time. Now it is the time to be very cautious for us to look into what is happening with Bitfinex. And for those who are not trading there, I believe you will have a good time to look at the show in the next months.
|
|
|
|
作者:@比特百晓生 概要:中国央行对付比特币的手段,源于外汇市场,师承日本政府,是一种干涉战术。 央行显然不是要禁止比特币,要禁早就禁了,实际上也禁不了。 它也不是要短期内彻底关闭交易平台的资金通道,要关只需出一个12·5文件的解释或细则,或者直接让网警屏蔽各国内交易平台,完全不必要隔三岔五打电话、搞约谈那么麻烦。 央行采用了干涉战术,这是每一个国家央行都必知必会的基本战术。 央行的印钞机印不了比特币,搞不了货币供应量干涉。所以它只能搞口头干涉与市场干涉,二者同时进行。 http://www.btcbbs.com/forum.php?mod=viewthread&tid=13994
|
|
|
|
央行2014金融稳定报告提及比特币,担忧平台风险 2014-4-29 18:33 | 发布者: Velaciela | 查看: 809 | 评论: 0 | 原作者: 央行 央行解读比特币摘自《中国金融稳定报告(2014)》 今天发布的央行《中国金融稳定报告》中特地提到了比特币,且篇幅不小,再度体现出央行的态度。目前在这一敏感时刻,央行对比特币的以下内容,是否说明了平台自律的必要性更加迫切了呢?从报告内容看,当局对比特币的了解还是比较充分的,且切中要害,指出了当今中国比特币交易所的主要矛盾,让我们仔细解读: 原文摘抄: 比特币(Bitcoin)自2009年诞生以来,发展迅速。2013年初,比特币价格仅为13美元,4月初突破100美元关口,12月最高价超过1000美元。比特币的迅速发展引发了人们对虚拟货币是否真正意义上的货币的思考。有人认为比特币的出现是对现行货币体系的巨大挑战,甚至有人称其是未来的黄金。
从属性看,比特币不是真正意义上的货币。第一,比特币没有国家信用支撑,没有法偿性和强制性,因此比特币的流通范围是有限的、也是不稳定的,难以真正发挥流通支付手段的作用。第二,比特币规模存在上限,难以适应经济发展的需要,若比特币成为货币,会导致通货紧缩,抑制经济发展。第三,比特币缺乏中央调节机制,容易被过度炒作,导致价格剧烈波动,无法成为计价货币和流通手段,目前接受比特币支付的商品,其标价货币大多仍是该国的本位货币。第四,比特币具有很强的可替代性,很难固定地充当一般等价物。任何有自己的开采算法、遵循P2P协议、限量、无中心管制的数字货币都有可能取代比特币。目前,比特币更多的是作为投机工具,而非实体经济中的支付工具,持有比特币的人更愿意把它收藏起来而不是用于购买其他商品。
社会公众对比特币还缺乏足够了解,一些个人出于跟风或者投机的心理持有、使用和交易比特币,可能带来以下风险。一是比特币的网络交易平台、过程和规则等都缺乏监管和法律保障,容易产生价格操控和虚假交易等行为,其账户资金安全和清算结算环节也存在风险。二是比特币价格缺少合理的支撑,其涨跌主要取决于参与者的信心和预期,甚至主要依赖于比特币未来将成为世界货币这一假想,容易沦为投机炒作的工具,一旦市场或政策出现风吹草动,就有可能泡沫破裂。三是比特币交易具有较高的隐蔽性、匿名性和不受地域限制的特点,其资金流向难以监测,为毒品、枪支交易和洗钱等违法犯罪活动提供了便利。
2013年12月,中国人民银行等五部委发布《关于防范比特币风险的通知》,要求各金融机构和支付机构不得开展与比特币相关的业务;提供比特币登记、交易等服务的网站应当在电信管理机构备案,并切实履行反洗钱义务,对用户身份进行识别、报告可疑交易;相关部门和金融机构、支付机构要加强对社会公众货币知识的教育,引导社会公众树立正确的货币观念和投资理念。 节选自中国人民银行发布的《中国金融稳定报告(2014)》 我个人对以上内容的认知是: 首先有关部门认定当前阶段主要矛盾是平台风险。一是比特币的网络交易平台、过程和规则等都缺乏监管和法律保障,容易产生价格操控和虚假交易等行为,其账户资金安全和清算结算环节也存在风险。这是一个客观的事实,交易所价格操纵情况严重,刷单和做庄现象普遍,而且账户资金安全,清算环节存在风险,跑路风险成了重中之重。 而投资者的素质也较为低下,央行理解的: 社会公众对比特币还缺乏足够了解,一些个人出于跟风或者投机的心理持有、使用和交易比特币 清楚的表明了央行清楚投资者素质较低,投机性强,因此容易沦为投机炒作的工具,一旦市场或政策出现风吹草动,就有可能泡沫破裂。 最后央行再次强调提供比特币登记、交易等服务的网站应当在电信管理机构备案,并切实履行反洗钱义务,对用户身份进行识别、报告可疑交易 这个态度显然不是要交易所关门,如果要关门,何必要备案,并履行反洗钱义务,还要报告可疑交易呢?因此,在这个节骨眼上,央行的这个报告中的内容,已经清楚的表明了央行需求交易所进行自律的明确态度。其主要就是防跑路、防操纵,抑制过度投机,防止投资者爆仓、跳楼,引发社会不稳定因素。同时还要加强反洗钱,确保金融稳定。 所以,我们之前提出的交易所抑制投机,保护投资者的几条方案,其实就是切合央行的这个文件精神,包括暂停融资杠杆,恢复征收手续费,以及进行投资者教育,并适度公开保证金或审计资料,保证账户资金安全和清算结算环节安全。 http://yibite.com/article-3077-1.html
|
|
|
|
Question: I am a Southern Metropolis Daily reporter, the central bank in the future will ban Bitcoin or not, and why? Federal Reserve Bank of the future will be like as a relatively independent of the government? Zhou Xiaochuan: As we have discussed previously, Bitcoin had not been started by the central bank, nor had been approved by the central bank, we also have mentioned nothing about ban. What is our main concern? Bitcoin is like an asset that can be traded, not quite like money. For example, in the past it was stamp colletion, people also says about the Price, but it was mainly collections, being traded as an asset but not money, so it should has no such issue about whether we central bank should ban Bitcoin or not. Notes: Zhou Xiaochuan is the president of PBOC, the central bank of China.提问:我是南方都市报的记者,央行未来会不会取缔比特币,为什么?央行未来会不会像美联储那样相对独立于政府?
周小川:你第二个问题刚才已经讨论过了,比特币本来也不是央行启动的,也不是央行批准的一个币,我们也谈不上什么取缔。现在我们主要担忧的是什么呢?就是这个比特币像是一种能够交易的资产,不太像支付货币,所以他不太像是一个,比如过去有人集邮,上面也写着价钱,但是他主要是收藏品,作为资产来作为交易,并不是支付性的货币,所以应该说不属于我们有没有一个什么取缔的问题。 http://tech.ifeng.com/internet/special/bitcoin-news/content-3/detail_2014_04/11/35692596_0.shtml
|
|
|
|
|
治理乱发帖的临时政策。希望大家主动到山寨币板块发帖,这样那个板块也会热起来,也不用担心没人看。
|
|
|
|
|
I am doing the test right now. I can see when generating the address, the RAM use goes up minute after minutes. It will take about 2 hour to generate these amount of address in a VM system.
What worries me is:
1)When so many address having been generated,whether the online client still be able to watch it? Will the online client stop working? or work too slow? 2)when I am going to use the fund in such a big wallet, whether the offline client still be able to sign that message?
|
|
|
|
中文声明 这份文件的目的是总结比特币基金会对门头沟的破产来做的联合声明。
这次糟糕的波动是因为Mt.Gox用户所信赖的公司自己所实施可恶行为的结果,但是这完全不能反映出比特币以及数字货币行业本身的价值。目前有数百家值得信任以及负责任的比特币相关企业。这些公司将继续会让比特币对于消费者商户而言,变得更加安全和易于使用。正如任何新的行业,必然会有一些不好的地方需要被清除,而这正是我们今天所看到的。
我们有信心,而且,在强大比特币企业和高素质团队领导下以及可靠投资者支持下,将会继续蓬勃发展,并且履行将比特币作为未来互联网时代支付手段的承诺。
为了重树由于Mt.Gox失败而挫败的信心,负责任的比特币交易所将会共同协作,并且致力于比特币的未来和客户资金的安全。作为向客户保证的一部分,下列交易所将会在未来的时间里共同协作努力,让客户和公众放心,让所有的资金以安全稳妥的方式进行运作:Coinbase,Kraken,BitStamp,Circle和BTC China。
我们坚信可以为消费者提供透明,周到,全面的保护措施。我们承诺将会向着这条路前行。
比特币运营商,无论是交易所,钱包服务或支付服务供应商,其在所持有其客户资产的比特币时将会起到非常关键的作用。作为保管人应当符合高标准,包括相应的安全保障措施,保独立审计和定期测试,充足的资产负债表以及足够的实物资产储备,透明和负责的客户信息披露,并在杠杆交易或自营交易或保证金贷款等行为中确保不会动用客户资产等政策。作为金融服务供应商,我们中的任何人都不会像Mt.Gox这样不去遵循这些必要的守则。
下面的行业领导者将会遵守该声明:
Fred Ehrsam Co-founder of Coinbase Jesse Powell CEO of Kraken Nejc Kodrič CEO of Bitstamp.net Bobby Lee CEO of BTC China Nicolas Cary CEO of Blockchain.info Jeremy Allaire CEO of Circle 英文原文 附英文原文:
The purpose of this document is to summarize a joint statement to the Bitcoin community regarding Mt.Gox.
This tragic violation of the trust of users of Mt.Gox was the result of one companys abhorrent actions and does not reflect the resilience or value of bitcoin and the digital currency industry. There are hundreds of trustworthy and responsible companies involved in bitcoin. These companies will continue to build the future of money by making bitcoin more secure and easy to use for consumers and merchants. As with any new industry, there are certain bad actors that need to be weeded out, and that is what we are seeing today.
We are confident, however, that strong Bitcoin companies, led by highly competent teams and backed by credible investors, will continue to thrive, and to fulfill the promise that bitcoin offers as the future of payment in the Internet age.
In order to re-establish the trust squandered by the failings of Mt. Gox, responsible bitcoin exchanges are working together and are committed to the future of bitcoin and the security of all customer funds. As part of the effort to re-assure customers, the following exchanges will be coordinating efforts over the coming days to publicly reassure customers and the general public that all funds continue to be held in a safe and secure manner: Coinbase, Kraken, BitStamp, Circle, and BTC China.
We strongly believe in transparent, thoughtful, and comprehensive consumer protection measures. We pledge to lead the way.
Bitcoin operators, whether they be exchanges, wallet services or payment providers, play a critical custodial role over the bitcoin they hold as assets for their customers. Acting as a custodian should require a high-bar, including appropriate security safeguards that are independently audited and tested on a regular basis, adequate balance sheets and reserves as commercial entities, transparent and accountable customer disclosures, and clear policies to not use customer assets for proprietary trading or for margin loans in leveraged trading. It does not appear to any of us that MtGox followed any these essential requirements as a financial services provider.
The following industry leaders stand by this statement:
Fred Ehrsam -- Co-founder of Coinbase Jesse Powell -- CEO of Kraken Nejc Kodrič -- CEO of Bitstamp.net Bobby Lee -- CEO of BTC China Nicolas Cary -- CEO of Blockchain.info Jeremy Allaire -- CEO of Circle 2014.02.25 附:疑似泄露的Mtgox内部文件: 《危机应对草案》
|
|
|
|
|
A very old short address service in the Bitcoin community. Today I cannot access it, and it never has happened in the last two years since I know about this service.
|
|
|
|
|
央行官员在比特币上的决策风险
作者 实事
央行官员对比特币痛下杀招,给比特圈造成短时、实际、巨大的损失,可能会有决策者顾盼自雄,连全世界的比特币都下跌应对,多牛啊。
风光的背后,遮挡了风险的黑洞。央行官员冒着很现实的多重风险,我认为有3个政治风险,4个操作风险。
三中全会最大一个亮点:市场起决定性作用。央行官员竟然质疑:比特币的定价基础是什么?意思是:人民银行的牌价没有比特币的空间,你是从哪里蹦出来的。这一来反映央行官员的经济学素养欠缺,商品价格取决于买卖双方,即市场定价,而非牌价;商品的价值取决于它生成时的劳动时间,对于比特币就是挖矿难度。无形的比特币与任何有形商品是等同的物品。二来反映出央行官员的保守,对抗深化改革,深化改革就是政府自我革命,简政放权,央行官员对新生事物横加指责,是为自己揽权、增权做铺垫。所谓防范风险仅是借口,央行封杀第三方支付渠道正正是增加了比特币的交易风险。三中全会,习主席说话、李总理说话,深化改革是主旨,并提出2020年就要见到成效,央行官员逆势而动,不是回归公共服务,而是扩张控制管理;不是勇于探索、顶层设计,而是强堵、与民争利。让中央政令出不了中南海、出不了三中全会的会场,其心可诛!
尊重人民群众的首创精神体现了党的领导核心。比特币的兴起,没有要特殊政策,没有要财政补贴,借用一句顺口溜:不上访,不告状,不要政府拿钱补,工作只要一台(矿)机,从草根、原创开始,打造出一个千亿美元的产业链,解决了数据中心(机房)、电子制造(矿机)企业的产能出路、挣了全世界特别美欧国家的外汇,这是任何央企都做不到的好事。央行官员凭自己贫乏的金融学知识,就断定比特币是泡沫,就下死手打杀,敢问你们还是不是共产党员,还执不执行中央的群众路线,还是不是一个有良知的中国人!
创新驱动的发展战略是中国经济升级转型的唯一出路。比特币是网络发展的必然,是未来货币的有益尝试,是正而八经的重大创新,其意义比得上互联网的发明,央行官员不懂技术,不懂科技的未来,凭什么说比特币是庞氏骗局?与郁金香泡沫相比,郁金香除了种植上的一点手艺,是没有技术上的重大创新。而比特币至少包涵了信息加密技术、P2P抗作假技术(去中心化)、并行计算和硬件计算(ASIC挖矿)、网络货币新概念等诸多开创性技术和理念,这是任何泡沫都不具备、不可比的特征内容。现在是网络货币面临大规模实际应用的前夜,是技术积累、市场积累、品牌积累的机遇期。央行的打压,可能再次让中国企业错失追上世界重大领域发展前沿的机遇,作此决策的央行官员就是历史罪人!
除了上述三个政治风险,央行官员还要冒4个操作风险。
其一,比特币是否货币,并不是由中国央行,甚至是各国央行来认可。货币是信用的中介,只要交易双方共同承认它的信用中介职能,比特币就能成为货币,正象历史上的贝币、黄金,当时并没有央行来认可它们的货币作用,但它们事实上长期充当了货币的角色。
其二,比特币基于P2P网络,比互联网网站更难封杀,只有比特币交易双方愿意,使用起来,基本上没有央行什么事,对于外汇,央行有外汇管理局;对于跨国贸易,央行可以依赖海关报关单据来管理。但是,对于比特币,央行如何办?拉上工信部配合也无济于事,要知道,互联网无国界,中国互联网在全球占的份量也有限。
其三,央行既然不承认比特币的货币地位,它不是货币,是普通商品的话,关你央行没有事?狗逮耗子多管闲事嘛,所以,央行出了《通知》之后,就在实操阶段来打招呼了,因为央行无职无权去管一件普通商品的交易,他们心虚!对于一件普通商品,它可以在淘宝网上正常销售或拍卖,享受支付宝的支付服务,央行管得着?对于一件普通商品,它可以被任何一个国民去用现金、信用卡去购买,央行管得着?有买有卖,就是交易,央行真以为自己能只手遮天?!
其四,即使全球央行联手封杀,不让比特币兑换成美元、欧元、人民币,央行们总能管得着法币了吧?哼哼。这就遭遇博奕论中囚徒困境的阻击,央行们的攻守同盟,会被第一个叛盟者轻易击漰,并且,第一个叛盟者会获得最大的利益,这样导致同盟的不可靠。打个比方,如果美联储、欧洲央行、人民银行联合封杀比特币,但哪天普京突然醒悟,高调支持比特币,比特币与卢布可以自由兑换并采购俄罗斯石油、天然气、武器等产品,那么,俄罗斯可能一下子从金融弱国成为金融强国,制了网络货币的先机!美联储怎么办?欧洲央行怎么办?人民银行怎么办?只要国际上有一种法币能兑换比特币,以此为桥,相当于比特币能兑换成任何法币,这个充当桥的货币,将会在信息社会、网络社会成为主导性世界货币。本来,对比特币最为忌惮的是当今的世界主导货币-美元,但精明的美联储就是因为防着这种未来,所以才不敢对比特币全面隔绝。欧洲央行也是早见及此,对比特币有纵容之嫌。只有愚蠢、傲慢的中国央妈去挑这个马蜂窝。
劳而无功,央行官员们,你们准备好承受这些现实风险了吗?除非你们把中国互联网与世界互联网断网,除非你们把持有比特币宣布为刑事罪,你们敢吗?
央行官员在本月的言行,已经在全世界面前出丑,泱泱大国不学世界强国的做法,反而向鼻屎大、动荡不安的泰国来学习?央行官员们,该是悬崖勒马的时候了。
错,已经错了,就不要一路错下去。否则,就不是高危职业的问题,你们官位只是一个有时限性的任职,但你们开罪的是千亿产值的企业和企业家群体,阻挡的是历史的车轮。请好自为之!
(欢迎转载,敬请注明作者和出处) 本文为实事(网名)原创。实事是IT资源业者,请勿冒发表实事的原创文章。
|
|
|
|
|
1. 中文版不允许发表涉及赌博、色情类网站的广告、软文和其他起刷屏推广的帖子。 2. 山寨币类的帖子,必须在指定的山寨币板块发表,不得在其他板块发表。 3. 不允许发表一般被认为会触发防火墙系统从而影响国内比特币爱好者访问本论坛的言论。 因为2014年9月,中国的防火墙系统已经屏蔽了本站,中文版可以讨论除赌博和色情以外的所有话题。 4. 跟帖回复的,要与楼主讨论的主题相关,否则视为垃圾回复;经常发表垃圾回复的,予以封号处理。 5. 跟帖回复的内容,如果发帖人签名栏中出现违规内容的,回帖会被删除。
违反者,可能遭到删帖、封号的处罚。
|
|
|
|
本论坛已经开发了一个信用评价机制,在每个ID的Profile页面偏下部的地方,大家可以看一下本帖的附图。Avalon团队通过延迟发货第三批、延迟发送芯片、强行发货部分延期芯片订单,赚到了大量昧心钱,而且拒绝给任何受损客户以补偿。很多订购、团购芯片的用户,虽然收到了退款,但是手中的物料都已经浪费了,损失也非常惨重。第三批矿机订户大多数都回不了本。 国内还有很多换购的客户,换购承诺也没有兑现。 在整个第三批和芯片发货的等待期间,虽然这帮人渣收取了社区好几千万人民币的资金,但是连一个沟通的渠道都没有。现在他们为了销售自己的垃圾55nm芯片,又重新开始到社区来发贴。在此号召所有在第三批Avalon矿机上面亏损、因为芯片不按时交货而发生亏损、被强行发送了芯片的订户,去往这两个人渣的页面上给予负面评价。 千万记得把This rating is negative -- the person is not trustworthy勾选上,表示这个评价是负面的,这个人不值得信任。这两个人的信用评价页面是: 南瓜张的: https://bitcointalk.org/index.php?action=trust;u=38132Yifu的 https://bitcointalk.org/index.php?action=trust;u=68196
|
|
|
|
Now, Avalon starts to sell their crappy 55nm chips. The Avalon use ngzhang to post, who has been silence for more than half a year on this forum. Ngzhang is trying to move the money from your wallet to his, again. This is his post. https://bitcointalk.org/index.php?topic=322356.msg3501860#msg3501860Avalon team has burnt the whole community. Yifu speaks in the public, who made tons of promise that turned out to be lies or over promise. So he is the most infamous person in the Avalon team. However, ngzhang is also part of the Avalon-Liar-Group. Ngzhang is doing sales in the China bitcoin community, and the trade-in promise was made by himself. For some of the large orders, I was told that he had made the trade-in promise face to face. Then we all know that the liar ngzhang has never intended to full fill his promise. Later, he started to sell the Batch 3, which has turned out to be a disaster to this community, especially to those one who bought them. None of the those Batch 3 will ROI. And Avalon refuse to compensate the loss. And the delaying in shipping is Avalon's fault, not the customers. Avalon refuse to cut their profit, but happily sit in there dark corner and watch their customer burnt Ngzhang is the one who should be responsible for the delaying of 110nm chip. At the beginning of the Avalon project, it is ngzhang who find a Person made the orders to TSMC for Avalon. Later, this Person started to sell chip privately on the black market, becoming a queue jumper of the chip buyers. Ngzhang refuse to communicate and explain on this Person who has stolen money from the community. I have given this liar a negative feedback. I think everyone who has been burnt by Avalon should give him the negative feedback! Here:https://bitcointalk.org/index.php?action=trust;u=38132
|
|
|
|
有一种预感,这是比特币社区的大事儿。专门开个帖子讨论一下。 事情是这样子滴。 今天媒体发现了一篇论文,论文的作者是康奈尔大学计算机系Ittay Eyal和Emin Gun Sirer两位学者。论文指出,比特币网络安全有重大的安全隐患,过去认为比特币网络需要多数人作恶才能被摧毁,但是现在发现必须要更严格的大多数遵守规则才行。根据他们的分析,只需要1/3的算力联合起来作恶,那么比特币挖矿的去中心化特点就会迅速瓦解。 论文原文在此: Majority is not Enough: Bitcoin Mining is Vulnerable http://i.cdn.turner.com/money/2013/images/11/04/btcProc.pdf论文的攻击方法要点是: +在发现一个区块A之后,不要急于公布 +在这个区块A后面接着挖,争取发现区块B +尽一切力量力求率先发现公共区块链条上面出现的区块。观察公共区块链条上与自己的链条相比谁更快
+如果在没有发现区块B之前,公共区块链条上面已经出现与A位置一致的区块Apublic,立刻发布区块A 区块A有一定概率会被其他诚实矿工接受,如果接受区块A的诚实矿工(当然还有攻击者本人)在A后面挖出了新的区块,那么区块A胜利。否则攻击者挖掘区块A和延续区块A的努力白费。
+如果攻击者发现了区块B,公共区块链条仍然没有发现区块Apublic,那么继续观察公共区块链条上面出现的区块。假定攻击者仍然未能占有51%的算力,那么公共区块链一般而言还是会追上来。那么在公共区块链条上面出现了区块区块Bpublic时,攻击者集中释放两个区块A和B
此时,区块A和B有一定概率会被其他诚实矿工接受。如果接受区块A+B的诚实矿工(当然还有攻击者本人)在B后面挖出了新的区块,那么区块A+B胜利。否则攻击者挖掘区块A、B和延续区块B的努力白费。此时其他诚实矿工发现挖掘区块Apublic的努力完全白费了。 如果不建立数学模型,攻击者似乎有得有失,但是定量分析发现,由于其他诚实矿工总是时不时地遭受损失,而且诚实矿工受到的损失更大。攻击者成功地运用自损800、杀人3000的战术,令自己最终占有全网产出的实际份额,超过诚实挖矿能够占有的份额。如果一旦有矿池发动攻击,其他诚实矿工出于经济理性,就会加入攻击者的队伍!而比特币全网算力就会迅速集中到这个攻击者的手中!(以上不代表楼主意见,仅仅是对论文愿意尽量忠诚的表述。) 按照论文的意见,如果攻击者拥有33%的全网算力,攻击者就是人心所向、势不可挡了! 有关媒体报道: 美学者发现比特币重大漏洞 或致货币体系崩溃 http://www.techweb.com.cn/news/2013-11-05/1351158.shtml英文报道更是铺天盖地: Google news is showing a number of articles which amount to FUD, and are multiplying like gremlins. Perhaps the Bitcoin Foundation should put up a short rebuttal / press release encapsulating some of the information in this thread. While the Eyal paper has some merit - it is certainly not a situation of "' Bitcoin Is Broken' And Could Collapse" Bitcoin flaw could let group take control of currency(比特币的内在缺陷可导致该货币被大型集团所控制) CNNMoney - 3 hours ago The flaw is due to the nature of how bitcoins are created -- people "mine" them by solving a complex puzzle with their computers. If used correctly, the system is set up so that someone guesses correctly every 10 minutes, and the winner gets 25 bitcoins. http://money.cnn.com/2013/11/04/technology/bitcoin-flaw/Bitcoin Researchers: You Can Game the System(比特币研究者:你可以玩弄比特币) Mashable - 10 hours ago Computer science researchers at Cornell University claim to have found a way to subvert the system driving production of the digital currency Bitcoin. The researchers call their technique selfish mining, through which individuals or groups of Bitcoin miners ... http://mashable.com/2013/11/04/bitcoin-cornell-researchers/Researchers Say 'Bitcoin Is Broken' And Could Collapse(研究者认为比特币已经可以被攻破,整个货币体系可能坍塌 Yahoo!7 News - 1 hour ago The problem is with how people "mine" bitcoins. Mining is how bitcoins are created. Most people don't mine bitcoins anymore. They buy them or take them as payment. But some people are in the business of mining coins with special bitcoin-mining computers ... http://au.finance.yahoo.com/news/researchers-bitcoin-broken-could-collapse-014448102.htmlCornell Researchers Found a Way to Game Bitcoin(研究者发现愚弄比特币网络的方法) RYOT - 2 hours ago It's entirely likely and understandable, despite our better efforts to bombard you with Bitcoin stories recently, that you still don't know what Bitcoin is. (To be honest, 92 articles about it later we still don't fully grasp it.) But all you need to know is that it's digital ... Bitcoin open to takeover, researchers discover with new algorithm http://www.ryot.org/cornell-researchers-claim-able-game-bitcoin/456361Science Daily (press release) - 58 minutes agoNov. 4, 2013 A major flaw that has gone unrealized until now leaves the $1.5 billion Bitcoin market open to manipulation and a potential takeover, according to a new study by two Cornell University computer scientists.(比特币网络发现重大安全漏洞,可以被少数人操纵) http://www.sciencedaily.com/releases/2013/11/131104112234.htm 留白是一种强调的意思。论坛的英文区讨论帖:https://bitcointalk.org/index.php?topic=324413.0
|
|
|
|
|
原厂,稳定在82G,几乎不用管,相当于8个烤猫新刀片,到手就挖,不需要另行购买风扇电源网线交换机等,有意者站内联系。
|
|
|
|
|
Shipping from China immediately after payment received.Buyer pay the shipping fee.
No escrow. Reasons for you trying to trust me: I am a board member of ASICMINER and have done lots of business on this board.
PM, please.
|
|
|
|
|
KNC号称28nm的技术,效率水平还不如bitfury的55nm工艺,现在从研发进度推测,跳票是在所难免。
KNC采用的封装工艺,是非常先进的工艺,难度非常大,执行进度会非常慢,拿到芯片后,还有经过很长一段时间才能出货,参考蝴蝶出货的速度就知道了。不限于KNC,几乎所有28nm工艺、数百G单芯片的矿机,都会面临这个问题。到时候芯片测试通过、矿机出不来,大家就准备好欣赏二泉映月吧水中的月亮,看得到,捞不起来!
我知道国内很多day 1的KNC大户都已经退货了。退货之前,在一些大户群里面嚷嚷了很久,根本就没有人买!大户也比较有良心,没有强行推销,自己就去退了。这些人从一开始就长期关注KNC,最知道KNC的底细和前途如何。
|
|
|
|
|
凡是没有实质性内容,或者有意义的讨论,上来就一句邀请码,永久有效的帖子,都属于SPAM的范畴,请不要发这样的帖子。
对于希望帮助特定站点成长的同学,可以修改自己的签名档,把邀请码放到自己的签名档中。多发有意义的帖子,别人看见你的签名多了,该站点的流量也就上去了。修改签名档的方法为:
Profile-->Forum Profile Information-->Signature
大家如果有看到这样的牛皮鲜帖子,欢迎举报。在每个帖子的右下角,都有一个Report to moderator,点击即可。
|
|
|
|
|