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«Мемориал» о ситуации на Северном Кавказе 3 года 4 мес. назад #1479

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Основное внимание уделено Чеченской Республике. Степень несвободы в этом регионе...

 В очередном бюллетене Правозащитного центра «Мемориал», охватывающем три зимних месяца 2013-14 годов, проанализированы главные тенденции развития ситуации в зоне конфликта.

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«Мемориал» о ситуации на Северном Кавказе 3 мес. 2 нед. назад #1480

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since a decentralized network has no authority to delegate this task, a cryptocurrency needs some kind of mechanism to prevent one ruling party from abusing it. imagine someone creates thousands of peers and spreads forged transactions. the system would break immediately. so, satoshi set the rule that the miners need to invest some work of their computers to qualify for this task. in cryptography in fact, they have to find a hash – a product of a cryptographic function – that connects the new block with its predecessor. this is called the proof-of-work. it‘s only important you know that it can be the basis of a cryptologic puzzle the miners compete to solve. after finding a solution, a miner can build a block and add it to the blockchain. as an incentive, he has the right to add a so-called coinbase transaction that gives him a specific number of bitcoins. this is the only way to create valid bitcoins. bitcoins can only be created if miners solve a cryptographic puzzle. since the difficulty of this puzzle increases the amount of computer power the whole miner’s invest, there is only a specific amount of cryptocurrency token that can be created in a given amount of time. this is part of the consensus no peer in the network can break. revolutionary properties.

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