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      "body": "Since the Bitcoin network started on january 2009,many other cryptocurrencies have emerged.The most popular consensus protocols are still based on the Proof of Work (PoS) or Proof of Stake(PoS)\n\nHowever PoW and PoS uses a huge amount of computational power to maintain the blockchain itself but does not provide useful work for the community. refer video below to understand PoW and PoS.\n\n## Innovations\n\nhttps://cdn-images-1.medium.com/max/1000/0*X4B1PiaD63Mu3USi.jpg\n\n### CHAINS-ON-CHAIN ARCHITECTURE\n\nThe revolutionary Chains-on-chain architecture is designed to solve the data computation, storage, and privacy issues.\n\n### VERIFICATION GAME\n\nVerification game provides a framework which securely perform any computational task and vastly reduces the number of redundant network node computations.\n\n### PDC (Provable Data Computation)\n\nPDC is a statistical framework to verify the correctness of computation results with few copies of redundant computing.\n\n### PoSt & PDP\n\nThe Proof of Spacetime(PoSt) is used as the consensus protocol of storage. It provides the foundation for the decentralized storage network.\n\n### DATA MODEL ENABLES PRIVACY PRESERVING\n\nDxChain does not only provide the data storage function, but it also gives the flexibility of retrieving files at a more granular scale.\n\n## Begining to DxChain Network\n\nDxChain Network provides two fundamental capabilities: computation and storage.The DxChain Network is designed to serve as a data trading platform for user who want to sell their data.Big data and machine learning computation is intended to make the use of data easier and more flexible.\n\n## Structure DxChain Network Design Principle & Architecture\n\nThe entire system is designed based on the principle of incentivisation, which means that miners can maximise the utilisation of unused storage resources and facilitate decentralised big data computations with lower costs and much conveniences. DxChain Network provides decentralised big data and machine learning computation with the support of decentralised data storage.Teamwork DxChain is designing a specific chain-on-chain structure which manages the master chain,storage chain and computation chain, to reach the consensus and to provide the incentive mechanism in a Byzantine environment.\n\nP2P storage network such as InterPLanetary File System(IPFS),Swarm and Storj,provides a flexible and extensible file system where the date frame and schema can be build.The storage chain is built on top of the storage data model, in which Proof of Spacetime(PoSt) validates whether the storage provider really stores the files.\n\nhttps://cdn-images-1.medium.com/max/1000/1*tuC9A5SQqPd1Qs39YqJeLA.png\n\nDxChain Network will start with Hadoop, the industry proven big data platform as its computation engine. The Hadoop running element such as the job tracker,task tracker and worker, communicate with one another through using a computation chain to synchronise running jobs. With two consensus mechanisms:verication game and Provable Data Computation(PDC),this chain would incentivise nodes that provide computation power.\n\nThe master chain orchestrates the storage chain and the computation chain to maintain the master chain blocks,where the participating nodes may provide storage and computation power to obtain incentives.Shows chart the high level DxChain Network infrastructure from the figure, one can see how the master chain, storage chain and computation chain work together.\n\n## Chains-on-chain structure\n\nThe DxChain team is designing the three chain structure with two unique properties:\n\n1. Master and side chains structure\n2. Immutable master chain and elastic side chains\n\nProperty 1 splits the chains according to the functions.Property 2 solves the problems of scalability, throughput and latency of the blockchain.\n\nThe master chain is in charge of maintaining transactions. Based on experience from Bitcoin and Ethereum this master chain is kept immutable\n\nThe side chains in the DxChain Network are in charge of storage and computation. These two functions are time bounded, so that the blocks do not need to indenfinitely store expired data.The DxChain team is designing a chain shortening algorithm which could remove unused data to ave valuable block space.\n\n## Computing\n\nhttps://cdn-images-1.medium.com/max/1000/1*FscFtJRvLGYw-BjhFeZFfg.png\n\nThe computation running on the DxChain Network are intended to support more general purpose processing such as database query and MapReduce work.Bitcoin uses blockchain to store all its transaction record to achieve consensus in the network and this consensus needs more than half of the active nodes to agree.Its is impossible to store all computation states in a blockchain to ensure computation consensusu;therefore the DxChain team uses two mechanisms to ensure the correctness of computation:verification game algorithm and Provable Data Computation(PDC)\n\nVerification game algorithm is designed as a system with three main types of roles solver,verifier and judge.This interactive system can testify to the correctness of a computation procedure without wasting too much computation power. Provable Data Computation(PDC) is a statistical framework to testify to the correctness of computation results with few copies of redundant computing.\n\nUsing verification game algorithm and PDC, DxChain Network is envisioned to solve the problems of outsourced computation and decentralised mining. Therefore, MapReduce work could potentially be performed on this platform.\n\n## Hadoop\n\nHadoop is an industry proven big data platform which includes HDFS for file storage,YARN or MapReduce for job scheduling as well as a collection of tools to run distributed jobs. Since Hadoop is a centralised system, it needs coordinators to scedule jobs. The DxChain Network is designed to adapt the Hadoop ecosystem to a decentralised environment.\n\nIn order to orchestrate the job tracker, task tracker and workers, a computation chain is designed to keep the computation states on the DxChain Network.It is used to validate the correctness of the computations and manage computation tasks. With the control of the computations states, a MapReduce pipeline can be implemented on the DxChain Network.\n\nBuilt on MapReduce, a collection of tools such as Pig,Hive and Mahout is intended to be implemented for database operations and machine learning algorithms. Some Business intelligence operations may be established through using these tools.\n\n## DxChain Network: Vision Blockhain Architecture\n\nIn order to keep the benefits of blockchain, as well as make a chain light, fast and extendable, the DxChain team proposes a new design with two layers of blockchains chains-on-chain:master blockchain and side blockchains. The new system can more easily interoperate across chains for assets, data and messages. Besides, the side chains only carry the data storage and computing tasks, so technical innovation is not hindered.\n\n## Design overview\n\nThe master chain is similar to that of Bitcoin and Ethereum-it stores the ledger and asset information such as state,transaction and receipt, as well as the smart contracts. The master chain is good for storing small pieces of information since it is immutable. In order to support the complex data structure and computing information, the DxChain team propose two side chains:\n\n1. Data Side Chain(DSC)-it is built upon a P2P distributed file storage system and stores the non-assets information.\n2. Computing Side Chain(CSC)-unlike the hash mining(PoW) in Bitcoin, it is designed for useful work to solve real business problems and supports the specific computing task on the DxChain Virtual Machine(DVM).\n\nhttps://cdn-images-1.medium.com/max/1000/1*fENXq_3KSrsyRpPPrxmnPw.png\n\nThe computing unit can read data from the DSC and also write the result back to the DSC. After one job finishes, the final state, related cost and corresponding incentives are stored on the master chain via smat contract. The intermediate states and task level transaction information are kept in either the DSC or CSC. With the smart contract across the master and side chain, the entire system can keep a low cost on the master chain, as well as high efficiency computing and data storage on the side chains.\n\n## Conclusion\n\nDxChain Network is introduced — a scalable, private and exten-sible blockchain dedicated to big data and machine learning, with its architecture and core technologies including:\n\n1) a new decentralised computing framework to introduce Provable Data Computing and verification game;\n\n2) a new chains-on-chain design to orchestrate a master chain and two side chains Data Side Chain (DSC) and Computing Side Chain (CSC);\n\n3) Hadoop incorporation to DxChain Network to facilitate big data and machine learning and 4) flexible and powerful DxChain Network-based system architecture, dedi-catedly designed to support most business data exchange and data analytics requirements.\n\nFor more information about project ICO DxChain,team,time frame,white paper and token sale can see below.",
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      "body": "There are places in this world that just make us wonder. Looking at it, one can hardly believe that Mother Nature created these phenomena and that they were not painted by a painter. Such a phenomenon is certainly the Marble Caves in Chile.\n\nThe unique marble caves are located on Lake General Carrera, a large lake bordering the South American countries of Chile and Argentina and three times the size of Lake Constance. The special shapes of the Marble Caves have been created over the last six millennia by the movement of the waves of the lake. These made sure that the caves are even navigable by boat. I'll give you a little taste of what you'll see in the Marble Caves in Chile with these great pictures:\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2016/04/marble-cave.-chilean-patagonia-shutterstock_333077762-2-707x471.jpg\n\nThe Marble Caves in Chile - A Natural Phenomenon\n\nIf you are traveling in the south of Chile, then you can make the excursion to the Marble Caves of Puerto Tranquilo. On the shores of the lake are numerous boats ready to take you to the caves in the middle of the lake. If you prefer to explore the marble caves on your own, rent a kayak. Would not it be cool if you paddled around here with the transparent kayak that I already introduced to you in my travel magazine? The water of the Lago General Carrera is perfect for such a kayak, because it is wonderfully turquoise and clear. No matter which vehicle you take - the main thing is that you enjoy the Marble Caves, which incidentally have been under strong conservation since 1944.\n\nhttps://news.southamerica.travel/wp-content/uploads/2018/01/Marble-Caves.jpg\n\nThe aforementioned ice-cold, turquoise waters of the lake ensure that the caves appear in an even more contrasting and beautiful light. The walls of the cave, which are crossed by white marble and take on seemingly surreal shapes and colors, simply offer the viewer a breathtaking picture. I think the caves look like they were painted by Vincent van Gogh himself. The mostly small and manoeuvrable boats pass through the caves and corridors of the Marble Caves without any problems, and you will feel as if you are diving into another world. Good that there is Instagram, because that's how we can immerse ourselves in this world without booking a flight to Chile.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2016/04/marble-caves-general-carrera-lake-quiet-harbor-patagonia-chilena-shutterstock_367408772-2.jpg\n\nhttps://cdn.iwastesomuchtime.com/832014000338.jpg\n\nhttp://3.bp.blogspot.com/-h3WKo633Dr0/VTw9C7zfvXI/AAAAAAAAAB0/GzttSgshGow/s1600/Marble-Caverns-of-Carrera-Lake-Chile.jpg\n\nThe Marble Caves in Chile are simply a feast for the eyes! If you have the opportunity, you should look at this natural phenomenon once in your life with your own eyes. You can read about other breathtaking natural phenomena in my other posts here on steemit.",
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      "body": "Cant even choose between those places. Looks so amazing and photos are epic!",
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      "body": "Some natural beauty is on our doorstep, others can be reached by boat or train. But you have to work out the beauty of a mountain summit. In the distance, these giants rise from our earth and seem unreachable. To see the sun rise behind a mountain top, you have to climb it - that's what makes mountains so special.\n\nNo place in the world gives you the same feeling of standing on the top of a mountain as you look with your own eyes across the vast horizon, breathing the clearest air our world has to offer. The only thing you hear are the stories of the wind and the wing beats of birds hovering in those heights. In order to reach this place, you have to take a lot, climb steep walls and leave altitude meters behind you. What awaits you up there is priceless. Follow me to the five most beautiful peaks on earth.\n\n## Number 5: Matterhorn\n\nAbove all, it is one of the most famous mountains in the world, the Matterhorn of Switzerland, and unfortunately, especially due to the numerous failures of mountain climbers in the past to conquer its summit. The Matterhorn is also the symbol of Switzerland and with its 4,478 meters one of the highest mountains in the Alps, located in one of the most popular hiking and skiing areas in Europe. Its distinctive and beautifully formed mountain peak should also be the pattern for the all-known chocolate Toblerone.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2018/01/shutterstock_628595693-707x470.jpg\n\n## Number 4: Cerro Torre\n\nRising over 3,000 meters, this spiky mountain peak is located in Patagonia, on the border between Argentina and Chile. Its steep and at the same time smooth walls have been calling mountaineers from all over the world since the 1950s to climb this almost unscalable mountain. Even the movie \"Cerro Torre - Not the slightest chance\" was dedicated to him, which increased his reputation even more. Although one mountaineer had to pay with his death, the other does not stop there, with the Cerro Torre continue to defeat one of the most beautiful peaks in the world.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2016/02/urlaubsguru.de_kilimanjaro-shutterstock_262121765-707x471.jpg\n\n## Number 3: Ama Dablam\n\nA special climbing experience is offered by the Ama Dablam, the \"Matterhorn of Nepal\" in the Himalayas. As emerged from the picture book, this summit made it to third place, because above all its shapely beauty makes it particularly handsome. But the beauty is deceptive, so many climbers have left here with the dream of once standing on the summit of Ama Dablam, his life.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2018/01/shutterstock_481603654-707x461.jpg\n\n## Number 2: Mount Fuji\n\nThe sight of Mount Fuji in Japan really makes anyone dream - a volcano that could not be more atmospheric. The cone rises sharply high, lightly covered with a beautiful white blanket of snow, as if someone had put it on. It is not only a popular destination for tourists, but also became part of the UNESCO World Heritage Site in 2013. The lakes on the foot, the Fuji Five Lakes, make this summit perfect.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2016/02/urlaubsguru.de_mount-fuji-shutterstock_312911786-707x463.jpg\n\n## Number 1: Three Peaks\n\nIn the north of Italy, in the Sextener Dolomites, a mountain panorama stretches out of superlatives and out stand three rocky giants that look almost so, so they would have been placed there. These three stone giants have truly earned the first place of the most beautiful summits. If you want to bury them up close, the best way to get to the Dreizinnenhütte, where you can also spend the night. Get up early and enjoy the sunrise - an absolutely unique experience.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2018/01/shutterstock_496527487-707x471.jpg\n\n**Which one you like most? Comment below :)**",
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      "title": "Impressive gorges - These natural phenomena makes you speechless",
      "body": "Is there anything better than breathtaking natural phenomena? Hardly likely. Above all gorges, which pull themselves in the midst of rugged rock walls into the depth, have a special effect on us when viewing. Today I show you the most beautiful and impressive gorges in the world.\n\nRugged cliffs as far as the eye can see and in the middle of it an imposing ravine that draws into the depths. Gently hug the clear air and the recurring sound of the hall. We stop for a moment and let the incredible atmosphere affect us. The eyes open again, we pull our camera and try to capture this indescribable moment for eternity. One more deep breath and on it goes. Finally, impressive gorges await us all over the world.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Fluss-flie%C3%9Ft-durch-die-Schlucht-im-Taroko-Nationalpark-Taiwan-iStock-928336254-707x471.jpg\n\n## The Vintgar gorge in Slovenia\n\nOur first trip takes us to Slovenia, more precisely near the city of Bled. Here is the Vintgar gorge, which stands out between the mountains Hom and Boršt. The Vintgar gorge, which is passable via wooden bridges, measures a proud 1.6 kilometers. Over the wooden paths you have the opportunity to see all the splendor of the gorge up close.\n\nIt's best to spend a good hour visiting the area, stopping in between to enjoy these natural forces. Listen to the roar of the water currents and breathe in the cool air that blows between the rugged cliffs. If you follow the wooden bridge to the end, you will reach the 13 meter high waterfall Sum. So be sure to bring a good camera with you, because here are incredibly beautiful photo opportunities.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Vintgar-gorge-beauty-of-nature-with-river-Radovna-flowing-through-it-near-Bled-Slovenia-shutterstock_285781109-707x471.jpg\n\n## The Taroko Gorge in Taiwan\n\nThe Taroko National Park, which was named after the Taroko Gorge, awakens many a thirst for adventure. That this gorge is so special, it owes to the river Liwu. With his enormous power of flow, he has fought his way through the 19-kilometer, marble-made mountains and formed this breathtaking gorge. You can even explore it on your own today: different paths lead you to the gorge, to impressive waterfalls or to observation platforms, where you can let this natural phenomenon calmly affect you.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/taroko-gorge-in-taiwan-shutterstock_583142071-707x462.jpg\n\n## The Glen Canyon National Recreation Area in the USA\n\nThe Glen Canyon National Recreation Area in Arizona is sure to be familiar to some of you. It is one of the largest recreation areas in the world and offers with its artificial lake, the Lake Powell, not only a beautiful, almost picturesque scenery, but also all sorts of opportunities to exercise sporty. From swimming, diving, snorkeling, water skiing to small boat tours - this incredible spot of nature you can explore to your heart's content in a variety of ways. Also for hiking it attracts many visitors. But let me tell you, Lake Powell is the second largest reservoir in the States - until you surround it, it will take a little longer. The impressions you collect here are definitely worth it.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/A-hiker-overlooking-Reflection-Canyon-Glen-Canyon-National-Recreation-Area-shutterstock_142239091-707x471.jpg\n\n## The Verdon Gorge in the French Provence\n\nTurquoise water meanders in the Alpes-de-Haute-Provence from the river Verdon Proud 25 kilometers along the Verdon Gorge. The gorge is deep up to 700 meters and invites water sports enthusiasts to go on a discovery tour by canoe. But paragliders and bungee jumpers also enjoy this natural backdrop. In addition, over 1,500 different hiking and climbing routes lead through the Verdon Gorge. Pretty much every extreme sport can be practiced here, even mountain bikers find their way for the special kick in the French Provence.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Verdon-Schlucht-in-der-franz%C3%B6sischen-Provence-shutterstock_294607292-707x471.jpg\n\n## Der Zion Nationalpark in den USA\n\nTo marvel at true natural wonders, the trail does not pass the Zion National Park in Utah. To marvel at all the scenic wonders of nature, one almost lacks the air, because one does not get out of astonishment here so quickly. A panorama of the most beautiful photo opportunities lies here at your feet, starting with the walk through Kanarra Creek, stopped at the subway, which you can see in the picture below. In Zion National Park you can expect some breathtaking gorges, so I would recommend a stay of several days. It is worth it!\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Narrows-in-Zion-National-Park-Utah-shutterstock_357767606-707x471.jpg\n\n## The Blyde River Canyon in South Africa\n\nDid you know that the Blyde River Gorge in Mpumalanga, South Africa, is one of the most beautiful canyons in the world? The red sandstones strewn with dense forests immediately catch your eye. With a length of about 25 kilometers and a fabulous depth of 800 meters, the Canyon is not only a popular destination for visitors, but also habitat for hippos and antelopes, which feel at home in the woods. While visitors from all over the world come here to explore the canyon with the hot air balloon, to hike or to biking, a vantage point is particularly popular: The three Rondavels are reminiscent of the huts of the locals due to their round shape.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Republic-of-South-Africa-Mpumalanga-province.-Blyde-River-Canyon-theshutterstock_446734129-707x430.jpg\n\n## The Tara Canyon in Montenegro\n\nAnother breathtaking gorge is in Montenegro. Located in the middle of the Durmitor National Park, the Tara Gorge with its depth of up to 1,300 meters and 78 kilometers in length is the deepest and longest gorge in Europe. A particularly popular vantage point is the 150 meter high Đurđevića Tara Bridge, which leads across the gorge. Spectacular views are guaranteed here! Especially I would like to recommend a rafting tour through the Tara Gorge. Whether on a traditional wooden raft or in a classic rafting boat - such a trip is a real highlight of the holiday in Montenegro.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Montenegro-Tara-river-Tara-canyon-shutterstock_359184374-707x468.jpg\n\n## The Partnachklamm in Germany\n\nOne of the most beautiful gorges in my list can be found in the state of Bavaria, more precisely in the vicinity of Garmisch-Partenkirchen. At a length of 700 meters and with a depth of about 80 meters, the Partnachklamm seems relatively small at first glance, but the gorge, which was declared a natural monument over 100 years ago, is undoubtedly spectacular. Throughout the year you can walk through the narrow gorge, in winter large icicles decorate the walls, before spring turns the gorge into a moss-covered fairytale landscape.\n\nhttps://www.urlaubsguru.de/wp-content/uploads/2017/01/Fabulous-gorge-und-mountain-river-Partnership-iStock-490635296-707x471.jpg\n\n**Which one you like most? Comment below :)**",
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      "body": "Congratulations @mazzzenko! You have completed some achievement on Steemit and have been rewarded with new badge(s) :\n\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/firstpayout.png)](http://steemitboard.com/@mazzzenko) You got your First payout\n\nClick on any badge to view your own Board of Honor on SteemitBoard.\n\nTo support your work, I also upvoted your post!\nFor more information about SteemitBoard, click [here](https://steemit.com/@steemitboard)\n\nIf you no longer want to receive notifications, reply to this comment with the word `STOP`\n\n> Upvote this notification to help all Steemit users. Learn why [here](https://steemit.com/steemitboard/@steemitboard/http-i-cubeupload-com-7ciqeo-png)!\n\nDo not miss the [last announcement](https://steemit.com/easter/@steemitboard/celebrate-easter-with-steemitboard-the-eggs-opened-and-guess-what-popped-out) from @steemitboard!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notifications.png\"]}"
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