{
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      "parent_permlink": "what-are-the-differences-between-ultrain-and-other-public-chain-projects",
      "author": "steemitboard",
      "permlink": "steemitboard-notify-mikhager-20190724t134345000z",
      "title": "",
      "body": "Congratulations @mikhager! You received a personal award!\n\n<table><tr><td>https://steemitimages.com/70x70/http://steemitboard.com/@mikhager/birthday1.png</td><td>Happy Birthday! - You are on the Steem blockchain for 1 year!</td></tr></table>\n\n<sub>_You can view [your badges on your Steem Board](https://steemitboard.com/@mikhager) and compare to others on the [Steem Ranking](https://steemitboard.com/ranking/index.php?name=mikhager)_</sub>\n\n\n###### [Vote for @Steemitboard as a witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1) to get one more award and increased upvotes!",
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      "parent_permlink": "ultrain",
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      "permlink": "what-are-the-differences-between-ultrain-and-other-public-chain-projects",
      "title": "What are the differences between Ultrain and other public chain projects?",
      "body": "@@ -106,17 +106,38 @@\n osen by \n-U\n+%5Bultrain.io%5D(https://u\n ltrain.i\n@@ -137,16 +137,18 @@\n train.io\n+/)\n  develop\n",
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      "parent_permlink": "ultrain",
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      "permlink": "what-are-the-differences-between-ultrain-and-other-public-chain-projects",
      "title": "What are the differences between Ultrain and other public chain projects?",
      "body": "![](https://cdn.steemitimages.com/DQmeyarPobM6jmRr24q9HFT26Z5XWrGoGdVpyGyU9ZXYPrT/image.png)\n\nThe area chosen by Ultrain.io developers contains a lot of dangerous competitors, such as:\n\n* EOS.\n* Cardano.\n* Zilliqa.\n* Golem.\n* Hashgraph.\n\nToday in this article we will look at the main differences between Ultrain and its top competitor Cardano. \n\n**Ultrain / Cardano**\n\n- Consensus algorithm used: R-POS/POS\n- Mining support: Yes/Yes\n- Application in health care: Yes/No\n\n- Project goals:\n– Ultrain: build a highly scalable, high performance platform infrastructure that supports an ecosystem of dApps and IoT devices.\n– Cardano: construct a sustainable balanced ecosystem that better meets the needs of its users and is better suited for integration with other systems than existing ones.",
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      "permlink": "what-are-the-differences-between-ultrain-and-other-public-chain-projects",
      "title": "What are the differences between Ultrain and other public chain projects?",
      "body": "![](https://cdn.steemitimages.com/DQmeyarPobM6jmRr24q9HFT26Z5XWrGoGdVpyGyU9ZXYPrT/image.png)\n\nThe area chosen by Ultrain.io developers contains a lot of dangerous competitors, such as:\n\n* EOS.\n* Cardano.\n* Zilliqa.\n* Golem.\n* Hashgraph.\n\nToday in this article we will look at the main differences between Ultrain and its top competitor Cardano. \n\n**Ultrain / Cardano**\n\n- Consensus algorithm used: R-POS/POS\n- Mining support: Yes/Yes\n- Application in health care: Yes/No\n\n- Project goals:\n– Ultrain: build a highly scalable, high performance platform infrastructure that supports an ecosystem of dApps and IoT devices.\n– Cardano: construct a sustainable balanced ecosystem that better meets the needs of its users and is better suited for integration with other systems than existing ones.",
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      "permlink": "re-yuther-4uclcq-sravnenie-ico-dxchain-i-golem-20180727t121342287z",
      "title": "",
      "body": "посмотрим на \"битву гигантов\")",
      "json_metadata": "{\"tags\":[\"dxchain\"],\"app\":\"steemit/0.1\"}"
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      "parent_permlink": "chto-ya-dumayu-o-primenenii-dxchain-i-iskusstvennogo-intellekta-v-medicine",
      "author": "mikhager",
      "permlink": "re-katesema-chto-ya-dumayu-o-primenenii-dxchain-i-iskusstvennogo-intellekta-v-medicine-20180727t121204221z",
      "title": "",
      "body": "big  data в медицине - это действительно круто!",
      "json_metadata": "{\"tags\":[\"dxhain\"],\"app\":\"steemit/0.1\"}"
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      "voter": "mikhager",
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  "timestamp": "2018-07-27T12:06:12",
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      "voter": "katesema",
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  "trx_id": "1cd50ae421ec947034a39b498b0a647292c316b4",
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      "parent_author": "mikhager",
      "parent_permlink": "protokoly-konsensusa-v-dxchain",
      "author": "katesema",
      "permlink": "re-mikhager-protokoly-konsensusa-v-dxchain-20180727t120454938z",
      "title": "",
      "body": "да, партнерство с кварком может многое дать",
      "json_metadata": "{\"tags\":[\"dxchain\"],\"app\":\"steemit/0.1\"}"
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  "timestamp": "2018-07-27T11:54:09",
  "op": [
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      "voter": "yuther",
      "author": "mikhager",
      "permlink": "re-maxgur4a-vozmozhnosti-dlya-primeneniya-dxchain-20180727t114646055z",
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  "timestamp": "2018-07-27T11:54:00",
  "op": [
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      "parent_author": "mikhager",
      "parent_permlink": "re-maxgur4a-vozmozhnosti-dlya-primeneniya-dxchain-20180727t114646055z",
      "author": "yuther",
      "permlink": "re-mikhager-re-maxgur4a-vozmozhnosti-dlya-primeneniya-dxchain-20180727t115359346z",
      "title": "",
      "body": "да, это будет особенно полезно простым людям",
      "json_metadata": "{\"tags\":[\"dxchain\"],\"app\":\"steemit/0.1\"}"
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{
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      "author": "yuther",
      "permlink": "re-mikhager-protokoly-konsensusa-v-dxchain-20180727t115312367z",
      "title": "",
      "body": "занятный обзор, нужно лучше ознакомиться с проектом",
      "json_metadata": "{\"tags\":[\"dxchain\"],\"app\":\"steemit/0.1\"}"
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      "parent_author": "maxgur4a",
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      "author": "mikhager",
      "permlink": "re-maxgur4a-vozmozhnosti-dlya-primeneniya-dxchain-20180727t114646055z",
      "title": "",
      "body": "особенно хорошо, что этот проект может быть применен  в области здравоохранения",
      "json_metadata": "{\"tags\":[\"dxchain\"],\"app\":\"steemit/0.1\"}"
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  "timestamp": "2018-07-27T11:42:51",
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      "parent_author": "mikhager",
      "parent_permlink": "protokoly-konsensusa-v-dxchain",
      "author": "maxgur4a",
      "permlink": "re-mikhager-protokoly-konsensusa-v-dxchain-20180727t114240986z",
      "title": "",
      "body": "судя  по всему, этот проект обещает быть перспективным + плюс фонды и партнертсва",
      "json_metadata": "{\"tags\":[\"dxchain\"],\"app\":\"steemit/0.1\"}"
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      "parent_author": "",
      "parent_permlink": "dxchain",
      "author": "mikhager",
      "permlink": "protokoly-konsensusa-v-dxchain",
      "title": "Протоколы консенсуса в DxChain",
      "body": "@@ -4369,96 +4369,73 @@\n %D1%86%D0%B8%D0%B8.\n-!%5B%5D(\n+%0A%0A\n https://\n-cdn.steemitimages.com/DQmahJq5PjJ5DLi91A7weXJxTezyjvYTvrvJXP5PgCJeaBh/image.png)\n+t.me/DxChainBot?start=9161fn-9161fn%0Ahttps://www.dxchain.com\n",
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      "title": "Протоколы консенсуса в DxChain",
      "body": "![](https://cdn.steemitimages.com/DQmYdFmqhYrY36kQtPBSvk1GSXuonoRVN2MV2ovbCdauWbW/image.png)\n\nDxChain использует собственные протоколы консенсуса, обеспечивающие ему полную защиту от различных атак со стороны злоумышленников и мошенников. Вообще, протоколы консенсуса всегда являются одной из самых главных частей любого проекта. Сегодня мы расскажем вам о том, какие методы были внедрены разработчиками для защиты от СКАМа и обеспечения стабильной работы проекта. \nОсновой для DxChain стала архитектура, которую прозвали «цепи-на-цепи». Почему так? Потому что у DxChain есть один мастерчейн и пара сайдчейнов. Данная система превосходит one-chain, который не может решить проблемы с конфиденциальностью и анонимностью. \n\n*Давайте взглянем на **структуру** немного подробнее:*\n\n![](https://cdn.steemitimages.com/DQmUFQEw7iiMYgC1u77xTXWzL9i5KYRaEJAtJRmZEFJZKv5/image.png)\n\nМастерчейн занимается хранением информации по транзакциями, смарт-контрактам и т.д. Для реализации этого процесса был применен алгоритм консенсуса Proof-of-Work. \nDSC – хранилище метаданных, являющихся блоком цепи, который по сути занимается перераспределением информации. \nCSC – по сути эта система нужна для того, чтобы определить полноту определенных задач и то, стоит их дополнять или оставить как есть. \n\n# **Алгоритмы консенсуса в DxChain**\n\nПротокол консенсуса в DxChain это итог долгой эволюции своих предшественников, таких как PDP. Provable Data Possession протокол предоставлял клиенту данные без особой зашиты. Но заслуга этого протокола в том, что именно он дал старт удаленной проверке данных. \n\n![](https://cdn.steemitimages.com/DQmbDyFHGetZraKrhhiyLjGYdmcJqN2pzkRfsxUWfvfGuUF/image.png)\n\n![](https://cdn.steemitimages.com/DQmfQEDbYUFmwoWESzDUg1WgZcctFyMEbku6dxEj2Rupgsr/image.png)\n\nДанная схема обеспечивает проверку сервера, в данном случае S, файла системы F и запроса клиента C. Клиент должен отправлять постоянные вызов в S с целью удостоверить S в своих намерениях. \n\n**Proof-of-Spacetime** стоит отметить, что PDP великолепный способ для производства облачных вычислений, но имеет несколько ограничений, не присущих децентрализованной сети. Такие, как, к примеру: конфиденциально производимые вычисления. В свою очередь Proof-of-Spacetime была разработана для поддержки схемы PDP и является отличным решением для децентрализованной сети. \n\n![](https://cdn.steemitimages.com/DQmPkn69Z1L6Zq3kvYwxvHA2SYhUTpzBC48A1HCoWi5mkCs/image.png)\n\n**Предупреждение атаки Sybil** с целью обеспечить независимое хранение данных на физических накопителях копии F должны обрабатывать n переменные. \n\n**Противостояние аутсорсинг и генерационных атак** С целью побороть эти атаки был введен ограниченный по времени алгоритм. На этапе GenProof, испытуемый P должен вернуть доказательство в определенные сроки, иначе будет забракован. \n\n![](https://cdn.steemitimages.com/DQmRVhJEBwhE6GjjjuH2XRpudQ7JMFf35kQcFXaPjgFsXPP/image.png)\n\n**Zero knowledge proof и общедоступность** для выполнения функций схеме PoSt требуется публичное верификация вычислений. Таким образом достигается децентрализация и каждый участник может подтвердить правильность транзакции. \nВ Zero knowledge proof испытуемый пытается доказать своё утверждение верификаторам, без раскрытия подробной информации. Таким образом отсеиваются верификаторы-злоумышленники, которые пытаются приобрести больше знаний, чем им положено. Протокол Zero knowledge proof представлен в двух видах: интерактивном и не интерактивном. Отличие от не интерактивного доказательства в том, что все выходит в одном сообщении, которое отправляется верификатором. Все значения, которые будут заключены в скобки должны быть заранее известны верификатору. При использовании не интерактивного Zero knowledge proof для идентификации дополнительных данных, схема получаемая в результате получает название сигнатурой знаний. \n\n**Proof-of-Chain** это проверяемая структура данных, связывающая задачи и доказательства в единую последовательность. Таким образом достигается непрерывное по времени хранение, которое не требует постоянных подтверждений, можно доказать права на владение даже в оффлайн. \n\n![](https://cdn.steemitimages.com/DQmPv8hwFf3UfbxbNj9Toj5fFHEEokT1nx2D8g9cXfN1m3B/image.png)\n\n**Provable Data Computation** должен верифицировать подлинность расчетов. Нужен для верификации правдивости результатов и противостоянию распространению фейковой информации.![](https://cdn.steemitimages.com/DQmahJq5PjJ5DLi91A7weXJxTezyjvYTvrvJXP5PgCJeaBh/image.png)",
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