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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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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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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So, Reppo. You wanted to talk-the-tech if my instincts are correct? Friends and I are designing a 8 layers stack module based off the Avalon's A3255 55nm mining chip with a fpga/firmware (source borrowed). This incorporate the full trading bot machine learning and TA indicator accelerators, and of course a crypto wallet secured by a custom AVR. We're down to 1.694AMP per hashboard (14chips each x 5 =70).

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The split originated from what was described as a "civil war" in two competing bitcoin cash camps.[18][29] The first camp, supported by entrepreneur Roger Ver and Jihan Wu of Bitmain, promoted the software entitled Bitcoin ABC (short for Adjustable Blocksize Cap) which would maintain the block size at 32MB.[29] The second camp led by Craig Steven Wright and billionaire Calvin Ayre put forth a competing software version Bitcoin SV, short for "Bitcoin Satoshi's Vision," that would increase the block size limit to 128MB.[26][29]

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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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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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在古代,加密是由许多办法完成的。在中国较“流行”使用淀粉水在纸上写字,再浸泡在碘水中使字浮现出来。而外国就不同了,最经典的莫过于伯罗奔尼撒战争。公元前405年,雅典和斯巴达之间的伯罗奔尼撒战争已进入尾声。斯巴达军队逐渐占据了优势地位,准备对雅典发动最后一击。这时,原来站在斯巴达一边的波斯帝国突然改变态度,停止了对斯巴达的援助,意图是使雅典和斯巴达在持续的战争中两败俱伤,以便从中渔利。在这种情况下,斯巴达急需摸清波斯帝国的具体行动计划,以便采取新的战略方针。正在这时,斯巴达军队捕获了一名从波斯帝国回雅典送信的雅典信使。斯巴达士兵仔细搜查这名信使,可搜查了好大一阵,除了从他身上搜出一条布满杂乱无章的希腊字母的普通腰带外,别无他获。情报究竟藏在什么地方呢?斯巴达军队统帅莱桑德把注意力集中到了那条腰带上,情报一定就在那些杂乱的字母之中。他反复琢磨研究这些天书似的文字,把腰带上的字母用各种方法重新排列组合,怎么也解不出来。最后,莱桑德失去了信心,他一边摆弄着那条腰带,一边思考着弄到情报的其他途径。当他无意中把腰带呈螺旋形缠绕在手中的剑鞘上时,奇迹出现了。原来腰带上那些杂乱无章的字母,竟组成了一段文字。这便是雅典间谍送回的一份情报,它告诉雅典,波斯军队准备在斯巴达军队发起最后攻击时,突然对斯巴达军队进行袭击。斯巴达军队根据这份情报马上改变了作战计划,先以迅雷不及掩耳之势攻击毫无防备的波斯军队,并一举将它击溃,解除了后顾之忧。随后,斯巴达军队回师征伐雅典,终于取得了战争的最后胜利。

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EDA adjustments caused instabilities in mining difficulty of the Bitcoin Cash system, resulting in Bitcoin Cash being thousands of blocks ahead of Bitcoin. To address the problem with stability, a change of the Bitcoin Cash DAA was implemented and the EDA cancelled. The change took effect on 13 November 2017. After the change, the Bitcoin Cash DAA adjusts the mining difficulty after each block. To calculate the difficulty for a new block, the Bitcoin Cash DAA uses a moving window of last 144 blocks.[36]

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  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。  

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  London-based Millionairess Epifania (Sophia Loren) is attracted to Dr. Kabir (MD from Delhi and PhD from Calcutta), who is more intent on treating patients. When she persists, he confides in her that he had made a commitment to his late widowed seamstress mother that he will wed any woman who will manage to survive on just Rs.500/-, for 90 days. She finds out that this sum is e... (展开全部)   London-based Millionairess Epifania (Sophia Loren) is attracted to Dr. Kabir (MD from Delhi and PhD from Calcutta), who is more intent on treating patients. When she persists, he confides in her that he had made a commitment to his late widowed seamstress mother that he will wed any woman who will manage to survive on just Rs.500/-, for 90 days. She finds out that this sum is equivalent to just 35 shillings but readily accepts this challenge. She also informs him that her late father had also imposed a condition that she must wed a male who will turn £500 into £15000 within the same period. Epifania then finds employment with an Italian firm, ends up re-organizing, and turning up the firm's profits. At the end of 90 days, she goes to meet Kabir and discovers that he has not only given all the money away but also has no interest whatsoever in marrying her.

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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.
  London-based Millionairess Epifania (Sophia Loren) is attracted to Dr. Kabir (MD from Delhi and PhD from Calcutta), who is more intent on treating patients. When she persists, he confides in her that he had made a commitment to his late widowed seamstress mother that he will wed any woman who will manage to survive on just Rs.500/-, for 90 days. She finds out that this sum is e... (展开全部)   London-based Millionairess Epifania (Sophia Loren) is attracted to Dr. Kabir (MD from Delhi and PhD from Calcutta), who is more intent on treating patients. When she persists, he confides in her that he had made a commitment to his late widowed seamstress mother that he will wed any woman who will manage to survive on just Rs.500/-, for 90 days. She finds out that this sum is equivalent to just 35 shillings but readily accepts this challenge. She also informs him that her late father had also imposed a condition that she must wed a male who will turn £500 into £15000 within the same period. Epifania then finds employment with an Italian firm, ends up re-organizing, and turning up the firm's profits. At the end of 90 days, she goes to meet Kabir and discovers that he has not only given all the money away but also has no interest whatsoever in marrying her.

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