Author: Gamals Ahmed, CoinEx Business Ambassadorsubmitted by CoinEx_Institution to Coinex [link] [comments]
A Blockchain is a continuously growing record, called blocks, which are linked and secured using cryptography such as hashing. Each block contains a hash pointer as a link to the previous block, a timestamp and transaction data. Filecoin is a decentralized storage network that turns cloud storage into an algorithmic market. The market runs on a blockchain with a native protocol token (also called Filecoin), which miners earn by providing storage to clients. The first section of report is demonstrate the filecoin which is a decentralized storage system used to encrypt files that we need to share it through blockchain platform. The second section is explain briefly blockchain Proof of Concept (POC) which is a process of locate whether a Blockchain project idea can be feasible in a real-world situation, need of proof of concept and blockchain proof of concept stages.
Filecoin is a protocol token whose blockchain runs on a novel proof, called Proof-of-Space time, where blocks are created by miners that are storing data. Filecoin protocol provides a data storage and retrieval service via a network of independent storage providers that does not rely on a single coordinator, where: (1) clients pay to store and retrieve data, (2) Storage Miners earn tokens by offering storage (3) Retrieval Miners earn tokens by serving data.
Filecoin is a decentralized storage network that turns cloud storage into an algorithmic market. The market runs on a blockchain with a native protocol token (also called Filecoin”), which miners earn by providing storage to clients. Conversely, clients spend Filecoin hiring miners to store or distribute data. As with Bitcoin, Filecoin miners compete to mine blocks with sizable rewards.
Filecoin mining power is proportional to active storage, which directly provides a useful service to clients (unlike Bitcoin mining, whose usefulness is limited to maintaining blockchain consensus). This creates a powerful incentive for miners to amass as much storage as they can, and rent it out to clients. The protocol weaves these amassed resources into a self-healing storage network that anybody in the world can rely on. The network achieves robustness by replicating and dispersing content, while automatically detecting and repairing replica failures. Clients can select replication parameters to protect against different threat models. The protocol’s cloud storage network also provides security, as content is encrypted end-to-end at the client, while storage providers do not have access to decryption keys. Filecoin works as an incentive layer on top of IPFS , which can provide storage infrastructure for any data. It is especially useful for decentralizing data, building and running distributed applications, and implementing smart contracts .
Filecoin based on IPFS proposes a completely decentralized distributed storage network where customers and storage miners request services and submit orders to the storage and retrieval markets. And the miner provides a service to view matching quotes to initiate a transaction. The protocol guarantees the integrity of data storage by copying proofs and space-time certificates. The Filecoin protocol writes the order book, token transactions, and integrity challenge response records to the blockchain.
Blockchain is a characteristic data structure formed by combining data blocks in a chain order inchronological order, and cryptographically guarantees decentralized, non-tamperable, unforgeable distributed shared ledger system.
Figure 1 Blockchain Structure
1.2 Elementary Components in Filecoin
The Filecoin protocol builds upon four novel components :
In this section we mentioned the lifecycle for file in Filecoin, as follow:
1.4 Filecoin is Built with IPFS
The Interplanetary File System (IPFS) is a next-generation protocol to make the Web faster, safer, decentralized, and permanent. Since the initial IPFS release in January 2015, it has gained strong traction in a variety of industries and organizations. Today, IPFS is a foundational technology for many applications in the blockchain industry. Over 5 billion files have been added to IPFS, spanning scientific data and papers, genetic research, video distribution & streaming, 3D modeling, legal documents, entire blockchains and their transactions, video games, and more. IPFS and Filecoin are complementary protocols, and the adoption of the underlying IPFS protocol is a leading indicator of market demand for a faster, safer, decentralized storage service .
Some IPFS Users
Figure(3) IPFS users
1.5 IPFS Open Source Community
The IPFS Project is a large community of open source contributors driven to decentralize the web. The community is made up of thousands of developers and users who have been working together for several years, building valuable and widely used software tools. The same seasoned core developers of IPFS are also leading the design and development of Filecoin. The IPFS team has experience building ambitious sotware projects and coordinating thriving developer communities. A significant portion of the IPFS community plans to join the Filecoin network, building tools and applications on this new, exciting platform [ 7].
2. PoC PROJECTS:
2.1 What is PoC?
PoC is abbreviate of Project of Concept which is a process of determining whether a Block-chain project idea can be feasible in a real-world situation. This process is necessary to verify that the idea will function as envisioned. The best part about proof of concept blockchain meaning is that it will help you to get a clear idea of what you are doing before you even get started. Furthermore, the proof of concept in the blockchain niche isn’t for exploring the marketplace for ideas only. Moreover, you won’t determine the best way to start the production process. Instead, you’ll only work on your possible blockchain solution option and see whether it’s capable of being a reality or not. Developing a blockchain proof of concept would require an investment of time, money and resources. In reality, you’d need to get your hands on supporting technologies or even the physical components needed to get the perfect plan. Going through the process is necessary for enterprises to see whether their idea is visible before using all production level equipment for it. According to a recent Gartner survey, 66% of CIOs think that blockchain is here to disrupt the existing marketplaces. And many will spend more than $10 million on the experimentation of the technology. So, if you were confused with what is proof of concept blockchain, now you know just what it is . PoC is used to demonstrate the feasibility and practical potential of any blockchain project in any field such as Energy, Communication, Services, Insurance and Healthcare. A PoC can either be a prototype without any supporting code or any MVP (Minimum Viable Product) with bare feature set. A PoC is a prototype that is used for internal organization who can have a better understanding of a particular project.
2.3 Why Companies Need a Proof of Concept?
Usually, the blockchain proof of concept is awfully popular among the startups in the market. However, proof of concept in blockchain can also be a great tool for the Enterprises as well. Mainly there are three points for needing it.
2.4 Proof of Concept Phases
Its explain as follows:
Figure (4) explains the steps of blockchain PoC
Step-1: Finding the Proper Blockchain Application Sectors That Adds Value
Let’s start with the first step of the theoretical build-up stage. Many of you don’t really know which application sectors are great for blockchain Proof of concept . That’s why we are outlining some major application sector where you can use your solution. These are:
Let’s start with the financing sector. This sector is relatively popular among the blockchain community. Furthermore, there are many projects already that cover this sector and offer a lucrative solution for major issues. So, in that sense, this sector is quite competitive in case of blockchain PoC development. 2. Medical
The medical sector is another major blockchain application sector at present. There are count-less scenarios where blockchain can truly shine. Hospitals have to deal with a lot of falsifying reports and counterfeit drugs.
3. Asset Management
Maintaining asset in these times are relatively hard due to all the bad players in the market. Simple paper-based record keeping isn’t enough now. Moreover, due to political and other reasons, ownership management is at risk of becoming a corrupted sector.
Many governmental institutions are falling behind in the race of digitization. Moreover, every citizen needs a better infrastructure which will give them the security they need. In reality, the government sector is unable to reserve the citizen rights properly.
Identity management is a big hassle when it comes to enterprises. Furthermore, many often impersonate other people’s identity and commit serious crimes. Even in trade financer, many companies have to deal with fake companies and fake documents.
Internet of things is a wonderful sector for proof of concept in blockchain development. Furthermore, this sector is responsible for linking all your smart applications together. Moreover, the device to device connection in a secured platform is necessary.
The payments sector is another awesome application point for your enterprise-grade solution. The blockchain system is more than capable of handling payments, and many of it also offer micro payments. Furthermore, it takes a really small amount of time to send money compared to the traditional banking system. Not to mention the reduction of fees in overseas payment.
8. Supply Chain
Big enterprise needs to have their eyes and ears in every step of the supply chain process. Furthermore, any minor errors could end up in a million dollars of loss. Obviously, you would not want that. Tracking where the raw materials are coming from and whether your products are truly authentic or not is one of the major pain points.
The insurance industry is facing some serious problems regarding insurance claims and document authentication. Also, the enormous amount of paperwork that every single employee has to fill out is overly dreadful. Detecting fraud, managing all the documents in a secure environment is tough. So, if you introduce a blockchain framework that can solve all these issues would be a huge factor. However, the competition in this marketplace is a bit high; still, with proper blockchain proof of concept, it should be a great opportunity.
Step-2: Defining the Product
In the second stage of the theoretical build-up, you would need to think your blockchain Proof of concept just like any other product. Furthermore, you need to have a solid plan along with full support from all stakeholders. PoC Feature Requirements Define all the features that your enterprise blockchain solution needs. After deciding your blockchain application, you would probably have some idea on what features to add up.
Step-3: Investigating the Technology
After you’ve come up with the solid idea of what features to include and how to focus the road map, you would need to hand them off to the engineering team. Therefore, your team will then research the technology based on your requirements and come up with the best plat-form to develop it on.
This report explain a distributed storage scheme based on blockchain technology( Filecoin), and introduces the system design in detail in first part , we have studied about blockchain technology related for Filecoin(decentralized storage network), Filecoin, a highly-anticipated decentralized storage network (under development), announced that there will be more delays before its Mainnet can be officially launched. Created by Protocol Labs, Filecoin has been developed using the InterPlanetary File System (IPFS), an established peer to peer data storage network. The Filecoin software will allow users to trade storage space in an open and decentralized market place.In the second part we mentioned a proof of concept (PoC), The Blockchain Proof of Concept is a demonstration to verify that certain concepts or theories have the potential for real-world application. PoC represents the evidence demonstrating that a project or product is feasible and worthy enough to justify the expenses needed to support and develop it.
 Juan Benet. IPFS — Content Addressed, Versioned, P2P File System. 2014.
 Protocol Labs. Filecoin: A Decentralized Storage Network. https://filecoin.io/ filecoin.pdf, 2017.
 Benet J. IPFS-content addressed, versioned, P2P file system[J]. arXiv preprint arXiv:1407.3561, 2014.
 Liu AD, Du XH, Wang N, Li SZ. Research Progress of Blockchain Technology and its Application in Information Security. Ruan Jian Xue Bao/Journal of Software,2018,6,14:1–24.
 Protocol Labs, Inc,[email protected] , Filecoin Primer July 25, 2017.
 Protocol Labs, Inc,[email protected] , Filecoin Primer July 25, 2017.
 Retrieved from IPFS internal monitoring July 6, 2017.
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Welcome to this week's tech round up and discourse post.
EBay, Stripe and Mastercard drop out of Facebook’s Libra Association techcrunch
Club Factory raises $100M to expand its lifestyle e-commerce platform in India economictimes
Donald Trump joins Amazon's video game streaming platform Twitch cnn
Bill McDermott steps down as SAP’s CEO wsj
Elon Musk says that NASA is free to share all SpaceX IP with ‘anyone it wants’ gizmodo
NASA’s new Moon-bound spacesuit is safer, smarter and much more comfortable nasa.gov
Steam will soon let you play local-only multiplayer games with far off friends pcgamer
Dyson kills its electric car project and turns to solid-state batteries guardian
Amazon Music arrives on Apple TV pocket-lint
Google takes AMP to the OpenJS Foundation openjsf
Russia’s Yandex introduces an Echo Dot-style smart speaker techcrunch
Cisco hit by an internal network outage cbronline
Xage now supports hierarchical blockchains for complex implementations globenewswire
NASCAR could debut hybrids as early as 2022 thedrive
Apple pulls HKmap from App Store, the day after Chinese state media criticized its ‘unwise and reckless decision’ to approve it cnbc
Virgin Orbit plans to send cubesats to Mars as early as 2022 cnet
Call of Duty is the biggest mobile game launch ever, with 100 million downloads independent
Pinterest launches a new ‘Lite’ app for emerging markets androidpolice
Microsoft’s Your Phone app can now route calls from your Android phone to your PC blog.windows
European risk report flags 5G security challenges techcrunch
Toyota, GM, Nvidia, Bosch, Arm and others form new autonomous driving tech consortium theiet
China attacks Apple for allowing Hong Kong crowdsourced police activity app nyt
AMD’s Radeon RX 5500 is its new entry-level competitor to Nvidia’s GTX 1650 pcworld
Amazon, Walmart confront India’s slowing economy as holiday season growth stalls techcrunch
Essential reveals Project Gem smartphone with very long, unusual design engadget
Twitter admits it used two-factor phone numbers and emails for serving targeted ads help.twitter
Arm brings custom instructions to its embedded CPUs developer.arm
Sony’s next console is the PlayStation 5, arriving holidays 2020 theverge
Chinese firms Tencent, Vivo and CCTV suspend ties with the NBA over Hong Kong tweet edition.cnn
Eight Chinese tech firms placed on US Entity List for their role in human rights violations against Muslim minority groups techcrunch
Mars Curiosity Rover finds evidence of an ancient oasis on Mars earthsky
Instagram is killing its creepy stalking feature, the Following tab androidpolice
Ex-Tinder CEO files lawsuit saying sexual assault allegations against him are defamation theverge
Fire TV might not get Disney+ as Amazon and Disney clash over ads variety
Amazon introduces a Kindle for kids indiatoday
Apple’s MacOS Catalina is now available 9to5mac
Spotify gains Siri support on iOS 13, arrives on Apple TV forbes
Disney is reportedly banning Netflix ads across its entertainment TV networks theverge
Red Dead Redemption 2 is coming to PC in November rockpapershotgun
NASA shares 3D Moon data for CG artists and creators space
PayPal is the first company to drop out of the Facebook-led Libra Association economictimes
Iranian hackers targeted US 2020 campaign, says Microsoft bbc
Apple CEO Tim Cook slams Facebook’s Libra cryptocurrency as a power grab forbes
Google-backed Dunzo raises $45M to expand its hyperlocal delivery startup in India fortuneindia
NASA’s first all-electric experimental X-plane is ready for testing nasa.gov
Facebook is being leaned on by US, UK, Australia to ditch its end-to-end encryption expansion plan macrumorsInstagram launches Threads, a Close Friends chat app with auto-status wired
India’s Fyle bags $4.5M to expand its expense management platform in the US, other international markets techcrunch
Uber launches a shift-work finder app, Uber Works, starting in Chicago tnw
Redesigned Google Shopping goes live, with price tracking, Google Lens for outfits and more pcmag
Zuckerberg Plans to Sue if Elizabeth Warren Tries to Break Up Facebook gizmodo
Samsung pulls the plug on Chinese smartphone production techcrunch
Microsoft showcases an Android Surface 'phone' and dual-screen Windows Variant cnet
Microsoft’s latest Surface Laptop arrives in 13- and 15-inch models theverge
India’s NoBroker raises $50M to help people buy and rent without real estate brokers business-standard
Cybersecurity giant Comodo can’t even keep its own website secure forums.comodo
NASA awards $43.2M to Blue Origin, SpaceX and others for tech to take us to the Moon and Mars techcrunch
NASA launches a new planet-hunting telescope using a giant balloon phys.org
UPS gets FAA approval to operate an entire drone delivery airline nyt
Streamlit launches open-source machine learning application development framework techcrunch
WhatsApp tests self-destructing messages theverge
Europe’s top court says active consent is needed for tracking cookies techcrunch
SpaceX details Starship and Super Heavy in new website techcrunch
Hyundai is getting into the flying car business newatlas
Microsoft makes Windows Virtual Desktop generally available globally zdnet
Google's Project Jacquard is available on new Levi's jackets youtube
PayPal to enter China through GoPay acquisition venturebeat
The Indian Regional Navigation Satellite System (IRNSS) recently become fully-operational and has been provided with the operational name of NavIC (Navigation with Indian Constellation). Developed by the Indian Space Research Organization (ISRO) with the objective of offering positioning, navigation and timing (PNT) to the users on a variety of platforms with a 24 hour x 7 day service availability under all weather conditions - in its service area with a position accuracy of < 20 m throughout India and within the region of coverage extending about 1500 km beyond. nih.gov
Having an autonomous regional satellite navigation system of one’s own offers strategic autonomy in military operations. The GPS that we have known and used all along is the satellite-based radio navigation system owned by the US government and operated by the American Air Force. During the Kargil War 20 years ago, the US refused to provide India critical information on the movement and precise location of Paki enemy troops. toi A need for an indigenous satellite navigation was felt earlier, but Kargil experience made the nation realize it's inevitability. Geopolitical needs teaches us that some countries can deny us the service in times of conflict, a way of arm twisting.
With an accuracy of <10 m on Restricted and Encrypted Service (RES) while an accuracy of <20 m on Standard Positioning Service (SPS), IRNSS will offer 2 level of services for very differing purposes. isro.gov.in \PDF]) Almost all Military and Reconnaissance applications will utilize RES while SPS will be available for civilian uses. unvienna \PDF])
The IRNSS space segment architecture consists of 3 satellites in GEO (Geostationary Orbit) at 32.5°, 83° and 131.5° East while 4 satellites in geosynchronous orbit placed at inclination of 29° with longitude crossing at 55° and 111.75° East forming an analemma. isac.gov.in Out of the 4 GSO satellites, the first sat IRNSS-1A failed in orbit due to atmoic clock malfunction. On August 31, 2017, sat IRNSS-1H was meant to replace defunct IRNSS-1A, failed to deploy due to malfunction in payload fairing mechanism. Though failures are not uncommon in space missions of even developed nations, India is not in a position where it can afford even relatively minor glitches neither financially nor in terms of reaching the higher goals it has set for itself. firstpost
Unlike GPS which is dependent only on L-band, NAVIC has dual frequency (S and L bands). When low frequency signal travels through atmosphere, its velocity changes due to atmospheric disturbances. US banks on atmospheric model to assess frequency error and it has to update this model from time to time to assess the exact error. In India's case, the actual delay is assessed by measuring the difference in delay of dual frequency (S and L bands). Therefore, NavIC is not dependent on any model to find the frequency error and is more accurate than GPS. toi
Studies have also shown marked improvement in GDoP (Geometric dilution of precision) values when IRNSS is used in conjunction with GPS constellation for position fix in primary coverage region of IRNSS. Hence IRNSS can be augmented with GPS to improve position accuracy in the given region. ias.ac.in
The IRNSS is being developed parallel to the GAGAN (GPS Aided GEO Augmented Satellite Navigation) program that in essence use GPS signals for navigation but after making them much more reliable for safety critical applications like in civil aviation., the ISRO SBAS (Satellite Based Augmentation System) version of an overlay system for GNSS signal corrections. earth.esa.int As of 2013, the statutory filing for frequency spectrum of Global Indian Navigational System (GINS) satellite orbits in international space, has been completed. hindubusinessline GINS is supposed to have a constellation of 24 satellites, positioned 24,000 km (14,913 mi) above Earth. wikipedia)
On Sep 24, 2019 Global mobile telephony standards body, 3GPP, gave its approval to NaVIC (Proposed jointly by Reliance Jio and ISRO). 3gpp.org \XLSX]) The approval has been given for the system’s use in Rel-16 LTE and Rel-17 5G NR specifications, paving the way for wider commercial adoption of NaVIC, allowing it to be integrated with 4G, 5G and internet of things (IoT). 3gpp.org \ZIP]) Thus, electronics companies can start designing and building integrated circuits and mass manufacture other products uniquely created to be compatible with NavIC. From what all scant information I was able to gather it seems Broadcom was first to introduce BCM47756 3gpp.org \ZIP]) chipset integrated with NavIC and Xiaomi Mi8 was the first phone to have the capabilities. insidegnss Will the introduction of indigenous satnav be another step closer towards being a global power? Comments open.
PS: Here's an interesting presentation prepared by Space Application Center that goes a little deep inside Navigation with Indian Constellation http://www.unoosa.org/documents/pdf/icg/2018/icg13/05.pdf
And in the last, here's 19th-Century Vision of the Year 2000 by Jean-Marc Côté and other artists issued in France in 1899, 1900, 1901 and 1910. Originally in the form of paper cards enclosed in cigarette/cigar boxes and, later, as postcards, the images depicted the world as it was imagined to be like in the then distant year of 2000.
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Подборка временно бесплатных курсов Udemy.122 шт. Промокоды, вшиты в ссылки.Все курсы на английском.
13. iOS 12 Chat Application Like WhatsApp And Viber
14. iOS App Grocery List (Swift 3.1, iOS10.3) From 0 To AppStore
iOS12 Bootcamp From Beginner To Professional iOS Developer
Источник: Телеграм-канал WScoupon
AFAIK, there are only 3X items I absolutely do not have which I 'MUST' find. Those would be - 1) Motherboard which accepts "ECC RAM". 2) CPU for said MOBO. 3) Said "ECC RAM".\*______________________
Valence will provide a spectrum of blockchain application solutions which sit along the decentralized spectrum, offering businesses simple ways to dip their toes into the blockchain at minimal risk or complexity .Thanks to the proof of stake nature of the Valence blockchain, more of a node's resources can be used for processing and routing application data which makes the platform faster and scalable.
Valence aims to make building blockchain applications as accessible to the general public as WordPress or Squarespace has made building websites.The developers NavCoin and Valence aim to make Valence extremely easy to work with:
A Valence application could be an open source mobile or web application that submits unencrypted or encrypted data directly to the blockchain. The only configuration necessary for the app developer would be setting up the data structure. Once they've done that they can start writing to the blockchain immediately.
The Valence blockchain interface is language agnostic, meaning developers are free to build applications in whichever language they're familiar with, which greatly reduces the barrier to entry.
As the platform progresses, Valence will introduce more and more smart contract templates in collaboration with the development community. These will be like plugins that users can simply select and configure for their application, without having to reinvent the wheel and risk contract errors or spend countless hours of research to program them.
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