Bitcoin Cash (BCH) is hard fork (a community-activated update to the protocol or code) of Bitcoin that took effect on August 1st, 2017 that increased the block size to 8MB, to help the scale the underlying technology of Bitcoin.Nov 16th 2018: BCH was hard forked again and split into Bitcoin SV and Bitcoin ABC. Bitcoin ABC became the dominant chain and took over the BCH ticker as it had more hashpower and majority of the nodes in the network.

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Rising fees on the Bitcoin network contributed to a push by some in the community to create a hard fork to increase the blocksize.[11] This push came to a head in July 2017 when some members of the bitcoin community including Roger Ver felt that adopting BIP 91 without increasing the block-size limit favored people who wanted to treat bitcoin as a digital investment rather than as a transactional currency.[12][13] This push by some to increase the block size met a resistance. Since its inception up to July 2017, Bitcoin users had maintained a common set of rules for the cryptocurrency.[12] Eventually, a group of bitcoin activists,[14] investors, entrepreneurs, developers[12] and largely China-based miners were unhappy with Bitcoin's proposed SegWit improvement plans meant to increase capacity and pushed forward alternative plans for a split which created Bitcoin Cash.[15] The proposed split included a plan to increase the number of transactions its ledger can process by increasing the block size limit to eight megabytes.[12][13]

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许多看完电影的人说,这是一部讲述贫民窟少年贾马尔爱情的电影,就连导演也说他要表现穷人勇敢的爱情;但我并不这么认为。原因是,爱情在这部电影里只是起到了两个作用,一个是贯穿整个故事的结构线索,正是依靠贾马尔对拉提卡的相思之情来结构故事,才把一个个支离破碎的流水账似故事片段串成了一个艺术整体。爱情更是主人公贾马尔永不放弃,最终选择参加“谁想成为百万富翁”节目的动机,它把故事推向了前进。二是作为一个没有受过什么正规教育、甚至不认得几个字的贫穷青年,贾马尔对爱情的执着,就代表着他对生命的执着,而爱情,在这里是一切美好的代名词,是主人公对自己所有人生理想的寄托。之所以这么说,并非臆想出的结果,我们可以反观整部电影的人物构成,我们可以说贾马尔是怎样怎样的性格,他哥哥萨利姆如何如何的人物,可考虑到拉提卡时,我们却没有什么特定的印象,她的人物性格并不鲜明,只能模糊地说,她善良,美丽,深爱着贾马尔,其他的一切比较细微的特别之处,我们似乎并不能说出来。原因很简单,就是因为编剧在塑造这个人物形象的时候,就没有投入浓墨重彩,这就导致了拉提卡这个全片的女主人公虽然出场次数很多,可是并不是影片的重心所在,以至于她的形象比较类型化,是个美好意象而已,不是非常立体的人物。

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Bitcoin is the world’s first cryptocurrency which works on a completely decentralized network known as the blockchain. The blockchain network consists a link of blocks that are secured using cryptography and record all the transactions. Bitcoin was first presented to the world in 2009 by an anonymous identity known as Satoshi Nakamoto. As Bitcoin works on a decentralized network, it is completely free from the involvement of third-party financial institutions or central banks. The Bitcoin blockchain facilitates instant peer-to-peer transactions at minimum transactions fees required to maintain the network. The total number of Bitcoins is fixed at 21 million with its smallest unit being referred to as Satoshi. Each Satoshi represents a hundred millionth part of Bitcoin which means that 100,000,000 Santoshi = 1 BTC. Additional Bitcoins are generated by a process known as mining. Bitcoins are mined by professional miners solving complex computational equations. For each Bitcoin mined, the miners are rewarded with either more coins or transaction fees. The miners also validate all transactions on the Bitcoin network as well as look after the network security. Bitcoin can be exchanged with fiat currencies or other digital currencies. There are over 100,000 merchants and vendors accepting Bitcoin all over the world.

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Bitcoin mining saps energy, costly, uses more power and also the reward delays. For mining, run software, get your wallet ready and be the first to solve a cryptographic problem and you get your reward after the new blocks have been added to the blockchain.Mining is said to be successful when all the transactions are recorded in the blockchain and the new blocks are added to the blockchain.

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When people talk about the price of Bitcoin, they are referring to the current price at which Bitcoin is changing hands. Since Bitcoin is a purely speculative asset, this price is determined by how little sellers are willing to charge and how much buyers are willing to pay. Even then, the price of Bitcoin can vary across exchanges like Coinbase and Binance or currencies because of market inefficiencies

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As a merchant one of your main goals is to be able to accept and process payments as quickly and seamlessly as possible so you can make your customers happy and receive payments without any headaches. Bitcoin Cash is the solution, as it has fast and low-cost transactions. As the world goes digital, electronic currencies such as Bitcoin are becoming the go-to method for paying online and in retail shops. Easily accept Bitcoin Cash directly or use third-party providers to accept Bitcoin Cash using their platforms and convert all or part of the sale into local fiat currency.

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第二次矛盾,当萨利姆和贾马尔被诱拐到了马曼所开的“孤儿院”时,萨利姆凭借自己的勇敢和聪慧,成为了孩子王,也同时被马曼看上,选择为他自己的爪牙。在萨利姆把一群流浪儿管理得服服帖帖的时候,他与广大的孤儿产生了不可避免的矛盾,而与贾马尔的矛盾也是必然的。编剧在设计他们之间的矛盾时,使用了拉提卡,把她放到了矛盾的冲突点和制高点上,使拉提卡再一次成为贯穿主线的人物。萨利姆想要把婴儿交给拉提卡带,说:“拉提卡,今天你负责带他”,拉提卡说:“我不带”,这时候,萨利姆的权威受到了质疑,作为一个小头头,他一定要让拉提卡服从,于是他说:“抱着吧,这是为你好,有小孩可以要双份。”冲突产生了,萨利姆的命令和拉提卡的意愿产生了矛盾,这时出面的,就是既喜欢拉提卡,又是萨利姆弟弟的贾马尔,他在这两人中, 始终保持着微妙的关系。贾马尔说:“她说了不想带。”当时的贾马尔,决对不是萨利姆的对手,而且萨利姆也必须以牺牲弟弟的利益,才能在孩子中树威,所以,他斩钉截铁地说:“你少说话,贾马尔,接着,不然我把他扔了。”这样,迫使拉提卡接受了萨利姆的建议,再一次的争锋中,萨利姆的名利观战胜了兄弟情。
Bitcoin (BTC) is the world’s first decentralized digital currency and payment system and is by far the most known and valuable cryptocurrency. It was created in 2009 by an anonymous person or group called Satoshi Nakamoto. Bitcoin enables transactions to be sent peer-to-peer without passing through a central authority. The transactions are recorded on a decentralized public ledger called the blockchain and each payment acquires a small transaction fee to cover the cost of the network. The total supply of Bitcoin is 21 million and it’s smallest unit of bitcoin is called a Satoshi, it’s a hundred millionth of a bitcoin – 0.00000001 BTC. The creation of Bitcoin’s is happening through mining. Miners have the task to validate transactions and keep the network secure. Their efforts are rewarded by new minted Bitcoins and transactions fees. Bitcoin can be exchanged for fiat or other cryptocurrencies, products and services. Over 100,000 merchants and vendors accepts bitcoin as a payment.

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To keep the block generation time equal to ten minutes on average, both Bitcoin and Bitcoin Cash use an algorithm adjusting the mining difficulty parameter. This algorithm is called the difficulty adjustment algorithm (DAA). Originally, both Bitcoin and Bitcoin Cash used the same difficulty adjustment algorithm, adjusting the mining difficulty parameter every 2016 blocks. Since 1 August 2017, Bitcoin Cash also used an addition to the DAA, called an Emergency Difficulty Adjustment (EDA) algorithm. EDA was used alongside the original DAA and it was designed to decrease the mining difficulty of Bitcoin Cash by 20%, if the time difference between 6 successive blocks was greater than 12 hours.[36]

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The would-be hard fork with an expanded block size limit was described by hardware manufacturer Bitmain in June 2017 as a "contingency plan" should the bitcoin community decide to fork; the first implementation of the software was proposed under the name Bitcoin ABC at a conference that month. In July 2017, the Bitcoin Cash name was proposed by mining pool ViaBTC. The change, called a fork, took effect on 1 August 2017. As a result, the bitcoin ledger called the blockchain and the cryptocurrency split in two.[16]

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  MD5还广泛用于操作系统的登陆认证上,如Unix、各类BSD系统登录密码、数字签名等诸多方。如在UNIX系统中用户的密码是以MD5(或其它类似的算法)经Hash运算后存储在文件系统中。当用户登录的时候,系统把用户输入的密码进行MD5 Hash运算,然后再去和保存在文件系统中的MD5值进行比较,进而确定输入的密码是否正确。通过这样的步骤,系统在并不知道用户密码的明码的情况下就可以确定用户登录系统的合法性。这可以避免用户的密码被具有系统管理员权限的用户知道。MD5将任意长度的“字节串”映射为一个128bit的大整数,并且是通过该128bit反推原始字符串是困难的,换句话说就是,即使你看到源程序和算法描述,也无法将一个MD5的值变换回原始的字符串,从数学原理上说,是因为原始的字符串有无穷多个,这有点象不存在反函数的数学函数。所以,要遇到了md5密码的问题,比较好的办法是:你可以用这个系统中的md5()函数重新设一个密码,如admin,把生成的一串密码的Hash值覆盖原来的Hash值就行了。
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第二次矛盾,当萨利姆和贾马尔被诱拐到了马曼所开的“孤儿院”时,萨利姆凭借自己的勇敢和聪慧,成为了孩子王,也同时被马曼看上,选择为他自己的爪牙。在萨利姆把一群流浪儿管理得服服帖帖的时候,他与广大的孤儿产生了不可避免的矛盾,而与贾马尔的矛盾也是必然的。编剧在设计他们之间的矛盾时,使用了拉提卡,把她放到了矛盾的冲突点和制高点上,使拉提卡再一次成为贯穿主线的人物。萨利姆想要把婴儿交给拉提卡带,说:“拉提卡,今天你负责带他”,拉提卡说:“我不带”,这时候,萨利姆的权威受到了质疑,作为一个小头头,他一定要让拉提卡服从,于是他说:“抱着吧,这是为你好,有小孩可以要双份。”冲突产生了,萨利姆的命令和拉提卡的意愿产生了矛盾,这时出面的,就是既喜欢拉提卡,又是萨利姆弟弟的贾马尔,他在这两人中, 始终保持着微妙的关系。贾马尔说:“她说了不想带。”当时的贾马尔,决对不是萨利姆的对手,而且萨利姆也必须以牺牲弟弟的利益,才能在孩子中树威,所以,他斩钉截铁地说:“你少说话,贾马尔,接着,不然我把他扔了。”这样,迫使拉提卡接受了萨利姆的建议,再一次的争锋中,萨利姆的名利观战胜了兄弟情。 

什么是最好的Cryptocurrencies


  为什么不是爱情童话?抱歉我要用很世俗的眼光来分析男女主人公的感情,但是我一贯不相信一个人一生非另一个人不可,除非那个人的意义上升到了另一个高度。 Jamal 的理想主义在那种社会环境下意味着他始终需要一个精神寄托。小的时候是那个男明星, Jamal 为了他的签名可以跳进粪坑。而母亲死后, Jamal和哥哥一直在过着颠沛流离的日子,兄弟感情又不是纯友爱,只能说又爱又恨的。他唯一的朋友,他生命中唯一美好的事物就是 Latika 了。即使失散多年 Jamal 也忘不了 Latika ,因为寻找她是他生命的主要意义,是他活着的理由。因此,我认为这种近似强迫症的不现实的坚持其实是可能的,有着现实意义,不是童话。有人说 Freida Pinto 过于漂亮,我很同意。 Jamal 认为 Latika 是世上最美的女人,而 Pinto 也差不离了;如果 Latika 其实没有那么漂亮,就更能体现出她对于 Jamal 的精神意义。   

Bitcoin Cash was launched in August 2017, as a direct response to small block sizes on the Bitcoin code. 1MB block sizes were not meeting the demand of the growing community, so a group of dissatisfied crypto enthusiasts decided to create a ‘hard fork’ of the Bitcoin blockchain, with an increased 8MB block size. No one person currently takes credit for the token’s creation; rather it is attributed to a de-centralized group of developers.

你对Bitcoin的利润缴税

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