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17 results tagged blockchain  ✕
Sia - Blockchain for distributed storage https://sia.tech/
Tue 16 Jul 2019 10:53:44 PM CEST
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Sia is a decentralized storage platform secured by blockchain technology. The Sia Storage Platform leverages underutilized hard drive capacity around the world to create a data storage marketplace that is more reliable and lower cost than traditional cloud storage providers.

backup blockchain cloud distributed_systems file_management file_transfer storage
HotStuff: BFT Consensus in the Lens of Blockchain https://arxiv.org/abs/1803.05069
Tue 18 Jun 2019 10:46:03 PM CEST
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We present HotStuff, a leader-based Byzantine fault-tolerant replication protocol for the partially synchronous model.

Once network communication becomes synchronous, HotStuff enables a correct leader to drive the protocol to consensus at the pace of actual (vs. maximum) network delay--a property called responsiveness--and with communication complexity that is linear in the number of replicas. To our knowledge, HotStuff is the first partially synchronous BFT replication protocol exhibiting these combined properties. HotStuff is built around a novel framework that forms a bridge between classical BFT foundations and blockchains. It allows the expression of other known protocols (DLS, PBFT, Tendermint, Casper), and ours, in a common framework.

Our deployment of HotStuff over a network with over 100 replicas achieves throughput and latency comparable to that of BFT-SMaRt, while enjoying linear communication footprint during leader failover (vs. quadratic with BFT-SMaRt).

blockchain cryptography fintech open_access paper science tech
Proteggi le tue idee - CreativitySafe https://creativitysafe.com/
Wed 15 May 2019 08:46:55 AM CEST
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blockchain intellectual_property locale:it online service
Blockchain 2.0 - An Introduction To Hyperledger Project (HLP) [Part 8] - OSTechNix https://www.ostechnix.com/blockchain-2-0-an-introduction-to-hyperledger-project-hlp/
Tue 16 Apr 2019 02:14:12 PM CEST
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The Hyperledger project aims to create frameworks for individuals and companies to create shared as well as closed blockchains.

blockchain opensource software
Blockstack https://blockstack.org/
Sun 07 Oct 2018 08:35:01 PM CEST
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The easiest way to start building decentralized blockchain apps.

  • Get paid mining rewards if you build a popular app.
  • Scale your app without limitations of the blockchain.
  • Gain a competitive advantage by giving your users data ownership.
blockchain distributed_app security software
Battle of the Privacycoins: Why Monero Is Hard to Beat (and Hard to Scale) https://bitcoinmagazine.com/articles/battle-privacycoins-why-monero-hard-beat-and-hard-scale/#1536945712
Sat 06 Oct 2018 06:29:50 PM CEST
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The second article in our series on privacycoins looks at Monero. One of the oldest privacycoins on the market, it's based on the innovative CryptoNote protocol first used by Bytecoin.

article blockchain cryptocurrency privacy
bitcoinbook: Mastering Bitcoin 2nd Edition - Programming the Open Blockchain https://github.com/bitcoinbook/bitcoinbook/
Tue 21 Aug 2018 11:52:10 PM CEST
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Mastering Bitcoin is a book for developers, although the first two chapters cover bitcoin at a level that is also approachable to non-programmers. Anyone with a basic understanding of technology can read the first two chapters to get a great understanding of bitcoin.

blockchain book reading source_code
Blockchain, Part II: Configuring a Blockchain Network and Leveraging the Technology | Linux Journal https://www.linuxjournal.com/content/blockchain-part-ii-configuring-blockchain-network-and-leveraging-technology
Mon 20 Aug 2018 09:18:16 AM CEST
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How to set up a private ethereum blockchain using open-source tools and a look at some markets and industries where blockchain technologies can add value.

article blockchain ethereum opensource tutorial
Graphene - An Open Source Blockchain https://objectcomputing.com/resources/publications/sett/march-2017-graphene-an-open-source-blockchain/
Thu 16 Aug 2018 06:57:01 PM CEST
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graphene logo

By now, you have likely heard words like "bitcoin" and "blockchain," perhaps even "Ethereum," and wondered what they all mean.

Do they refer to something useful, and if so, how would you go about using it?

This article is intended to put meaning behind these words and others, by highlighting one instance of the technology behind the concepts.

article blockchain howto tutorial
Ethereum PoS: Casper FFG In Depth https://youtu.be/uQ3IqLDf-oo
Thu 16 Aug 2018 04:27:53 PM CEST
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blockchain cryptocurrency ethereum video
Ten years in, nobody has come up with a use for blockchain https://hackernoon.com/ten-years-in-nobody-has-come-up-with-a-use-case-for-blockchain-ee98c180100
Thu 16 Aug 2018 04:18:36 PM CEST
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(Sequel here: Blockchain is not only crappy technology but a bad vision for the future.)

article blockchain
Implementing first Industry 4.0 Use Cases with DAG Tangle https://medium.com/@cstoecker/implementing-first-industry-4-0-use-cases-with-iota-dag-tangle-machine-tagging-for-digital-twins-baf1943c499d
Thu 16 Aug 2018 04:17:10 PM CEST
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Industry 4.0 is powered by the fusion of technologies that are connecting the dots between the physical, digital and biological spheres.

article blockchain cryptocurrency industry4.0 iot iota
ComPVter Blockchain - Speaker Deck https://speakerdeck.com/aletheia/compvter-blockchain
Wed 04 Jul 2018 10:27:08 AM CEST
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blockchain presentations
Proof of Stake FAQs · ethereum/wiki Wiki · GitHub https://github.com/ethereum/wiki/wiki/Proof-of-Stake-FAQs
Sun 01 Jul 2018 01:57:08 PM CEST
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The Ethereum Wiki

blockchain ethereum PoS
Blockchains don’t scale. Not today, at least. But there’s hope. https://hackernoon.com/blockchains-dont-scale-not-today-at-least-but-there-s-hope-2cb43946551a
Mon 28 Aug 2017 12:12:01 AM CEST
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The first Bitcoin paper was first released in 2008. My excitement about the potential of blockchain technology has been building ever…

article blockchain
Mathematical Proof That the Lightning Network Cannot Be a Decentralized Bitcoin Scaling Solution https://medium.com/@jonaldfyookball/mathematical-proof-that-the-lightning-network-cannot-be-a-decentralized-bitcoin-scaling-solution-1b8147650800
Thu 24 Aug 2017 02:38:18 PM CEST
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Have you heard of the Bitcoin Lightning Network? It is a proposal that claims that:

article bitcoin blockchain lightning
The Blockchain Might Be The Next Disruptive Technology | TechCrunch http://techcrunch.com/2015/10/03/the-blockchain-might-be-the-next-disruptive-technology/?ncid=rss
Sun 04 Oct 2015 03:51:42 PM CEST
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To process a transaction, you need first to make sure the sender owns the asset he wants to transfer, and make sure he will not trade it twice.

In the blockchain, information is stored in blocks that record all transactions ever done through the network. Hence, it allows validating both the existence of assets to be traded and ownership.

To avoid double spending, the technology requests several nodes to agree on a transaction to process it. A validation is also artificially difficult to achieve: miners leverage computer power to solve complex cryptographic problems (the proof-of-work). Every time a problem is cracked, a block is added to the chain, and all the transactions it includes are thus validated. The updated chain, including the new block, is shared with other nodes and becomes the new reference; this process leverages cryptography to prevent duplicate transactions.

article bitcoin blockchain cryptography distributed_systems
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