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Eximchain was established in 2015 at the Massachusetts Institute of Technology’s (MIT) media lab and is a supply-chain focused blockchain startup, which has managed to raise more than $20 million from a group of investors. Eximchain is basically an MIT-based software development company which uses blockchain to advance the SCF (supply chain financing).

blockchain supply chain

Supply Chain Financing

SCF allows investors to fund an organization through its supply chain procedure by providing them further operating capital and functioning cash flow to upsurge its effectiveness and lessen risk. Companies that effectively succeeded this cash flow have reduced their inventory by almost 30%, heading to substantially lower working costs.

Even as a startup, it has managed to raise the funds to advance its own public blockchain which runs by private smart contracts, in order to offer multiple solutions for recording, executing and disseminating information for supply chain shareholders.

Who’s behind the funding?

One of the major cryptocurrency hedges from China, FBG Capital was behind the funding. There were also many other participants included such as;

  • INBlockchain, which is a blockchain capital firm. It was founded by a Chinese cryptocurrency activist, Li Xiaolai.
  • Kinetic Capital, which is a Hong Kong-based investment firm.

Now moving towards the token airdrop, Eximchain says that it will see approximately 1.5 million ERC20-based EXC tokens disseminated to contributors after verifying their identity. According to the company, EXC can be also transformed into the native tokens, on the blockchain of Eximchain itself.

Hope Liu’s Statement

Eximchain’s co-founder and CEO, Hope Liu stated;

“After experimenting [with proofs of concept] on ethereum or private blockchains, the enterprise world is looking for technical solutions that can be deployed immediately to solve real supply chain problems. There is a huge potential for blockchain technology to revolutionize supply chain processes, and we are all excited to see the progress that Eximchain will help bring to this industry.”

The funding is actually what makes the firm one of the latest ones to join the highly popular trend of distributing airdrops, through which firms allot tokens for free to the concerned parties, rather than holding token sales in the existing ambience of regulatory obscurity.

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A look inside America’s largest Bitcoin mining operation

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Dave Carlson, who owns America’s largest bitcoin mining operation could be mining as much as $8 million worth of bitcoin every month. However, Dave dismisses this figure as ‘exaggeration’ and ‘fake news’ created by media.

With the mainstream media proceeding to paint bitcoin mining operation as modern age gold rush, Carlson’s story has been of particular interest, regardless of whether it hasn’t generally been put in the correct context.

To be fair, though, evaluations of his potential earnings don’t appear to be far-fetched when you consider he went from driving a $300 Honda to directing the largest bitcoin mining operation in America in simply under a year, and that bitcoin mining is still broadly misunderstood.

All things considered, when the facts are examined, his business is no less impressive.

Tags: Bitcoin videos, bitcoin mining

To get to the truth of his story, CoinDesk addressed Carlson about the increased attention his Washington-based bitcoin mining operation (he refused to disclose the location) is getting, how he assembled the organization and how it earned $8m a month when bitcoin costs were close to their peak.

“I used to spend long hours configuring servers, assembling rigs, and connecting cables. I now have a technical team that covers assembly, deployment, facilities, optimization, and management. I invest the greater part of my energy dealing with the bigger issues the organization faces in regards to future development and operations.” said Carlson to sum up his business growth.

 

Credits: CoinDesk.com

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Everything you need to know about Segregated Witness

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I have been noticing on many online bitcoin districts that various users are unable to understand the concept of Segregated Witness. This post will clear up any doubts, uncertainties, and myths regarding SegWit.

So, what happens in SegWit?

SegWit is short for Segregated Witness and it’s a proposal presented by the developers of Bitcoin Core. Originally it was aimed to solve the transaction malleability, which is a well-known weak spot in the Bitcoin system. The idea behind SegWit is that the signatures in a transaction, also known as the “witness data” are skipped when calculating the transaction id.

Basically, SegWit will update the 1MB size block limit to 4-million unit block weight limit. This counts serialized
witness data and one unit and core block data as four units. This is an entirely new transaction format, meaning the block size is increased. SegWit counts each byte in a witness as 0.25 bytes towards the 1MB block limit, thus the maximum size of a block becomes just under 4MB.

It’s not that the data gets smaller, it’s just counted in a way that allows for the block limit to be increased.

The short/easy version

In simple words, signature related data is removed from bitcoin transactions, causing them to appear smaller in size. Also, making the block size smaller, further, allowing more transactions to take place.

 

Clearing up myths and rumors

Myth: SegWit as a soft fork is much more dangerous than a hard fork

A soft fork ensures that the backward and forward compatibility is under control. Also, when a soft fork is set up, old versions of Bitcoin software will be able to function without any faults. On the other hand, a hard fork requires every Bitcoin user to update to the new software to support the consensus rules. Any user that fails to upgrade to the new software might be under the risk of getting thrown off the Bitcoin network.

 

Myth: SegWit is more complicated than a super simple hard fork

Similar to a hard fork, SegWit proposes the same idea of increasing the block size limit. No doubt, it is pretty complex and introduces several changes, but it is a relatively simple conceptual change. Basically, SegWit ignores the signatures when calculating the transactions, but as a soft fork, some additional changes must be made to make SegWit transactions compatible with non-segwit nodes. These changes then have side effects which can be beneficial to Bitcoin. It also contains more functionality than a hard fork increasing the block size limit. The hard fork to increase the block size limit also appears simple, but additional changes need to be made to support the deployment and to solve the quadratic hashing issue with transactions.

 

Myth: Miners who don’t upgrade to segwit will be forcefully told to quit the bitcoin network

This is false since SegWit will be deployed using the BIP9 versionbits which uses a 95% threshold. A miner would not run into any trouble, as long as he follows certain rules. However, if he fails to follow these rules, he could end up with transactions including witnesses but he wouldn’t be having the witnesses nor the witness root hash in the Coinbase. This would be an invalid block that would be in the orphan pool.

 

What are the benefits of SegWit?

Besides the obvious benefit of having to increase the capacity, there are several other benefits that come with the introduction of SegWit. Some of those benefits are:

  • Node performance is tested based on how weighting data
  • Signature covers value
  • Linear scaling of sighash operations
  • MultiSig gets more security
  • Script versioning
  • Increased security to almost-full-nodes

Why hasn’t SegWit been activated yet?

If there is not enough support shown, it might result in a contentious fork. That means a part of the network switches to the new client while some remain to use the older version. This leads to two sets of cryptocurrencies with different rules, co-existing and competing for users and legitimacy.

In order to avoid such a situation, the developers of SegWit have programmed a specific rule in the software proclaiming that it will only activate once it reaches the 95% mark.

Currently, the support is hovering around 32-33%. 

Everything you need to know about Segregated Witness

 

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How To Buy Bitcoins – A Bitcoin Buying Guide For Beginners

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How To Buy Bitcoins

Buying Bitcoin is extremely simple. All you need to have is a Bitcoin wallet because, Without it, you can’t buy the coins. The goal of this post is to provide you the complete idea about how to buy bitcoins straightaway.

How To Buy Bitcoins:

There are countless Bitcoin sellers, exchanges and wallet servers. The number is so high, it makes the process of choosing a reliable and reputed service quite overwhelming and daunting for the newbies.

Users are required to provide identity verification in order to buy bitcoins. Once the information is verified, your account is activated and you will be able to buy bitcoins without any legal obligations.

Buying Bitcoins with PayPal:

Although the site has banned its merchants from accepting bitcoin payments, there is still a way to buy Bitcoin through PayPal. It’s called “Local Bitcoins”.

The service facilitates the trading of Bitcoin through PayPal ads. What happens here is that the user posts an ad stating exchange rates and method of payment for trading bitcoins.

The interested users respond to the ad and discuss terms. Once everything is finalized, the transaction takes place between the two parties.

The payment methods for Local Bitcoins include:

  • Bank transfers
  • PayPal
  • Gift cards
  • Cash

Local Bitcoin is considered to be the safest way to exchange Bitcoin with PayPal. In addition to the user safety, it offers escrow service to make sure the transaction takes place in a safe environment.

Buying Bitcoins Through Coinbase:

Coinbase is the largest and most renowned bitcoin broker in the world with presence in over 30 major countries. In order to buy Bitcoin from Coinbase, you will need to provide your identity and bank card as a proof.

Coinbase users are categorized into two levels: level 1 and 2.

  • Level 1 users: Also known as fully verified users can buy up to $1,000 worth of bitcoin per week.
  • Level 2 users can only buy up to $100 worth of bitcoin per week.

The transaction fee of Coinsbase is 3.99%; which is pretty low compared to other exchanges.

Buying Coins Through CoinMama:

CoinMama specializes in helping users to buy large quantities of coins through debit/credit card. The CoinMama users can buy up to $5,000 worth of bitcoins per week and up to $20k per month.

The transaction fee of coin mama is 5%; which is slightly higher than Coinbase. This service is best for users who like to buy a lot of bitcoins with credit card/debit card.

BitPanda:

BitPanda is an Austrian bitcoin broker and is well known across Europe. It accepts payments through both credit and debit card and provides instant bitcoins. The transaction fees are around 3-4%. However, the exact number is only disclosed to their registered users.

The Final Word:

These are some different techniques to buy instant bitcoins. All are pretty safe and involve no danger. However, when dealing through “Local Bitcoins”, make sure to arrange a meet up at a public place and bring a close friend or family member in the event things go south.

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How the blockchain is changing money and business | Don Tapscott

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Is Walmart Set to deploy Blockchain-Based Delivery System?

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According to Fintech Finance reports, Smart Package, which is an application of US trade giant Walmart, has been released by the US Patent and Trademark Office (USPTO) on 1st March. Smart Package patents employ a tool, based on blockchain to track down the location, environmental conditions, package contents, and other details. The main purpose of such blockchain applications is to be used in the latest technologies like unmanned drones etc.

blockchain applications

Such blockchain applications help in recording the main addresses like; seller private key address, a buyer private key address and a courier private key address. According to this application, the current tracking instruments don’t offer such coveted functionality yet. Fintech Finance also reported that Smart Package application was first filed by Walmart in August 2017. This application isn’t the first one, in which Walmart has utilized Blockchain technology because, Walmart merged with IBM, back in 2016.

UPS, which is a US shipping company joined BiTA in November 2017 because, blockchain technology is quite popular among delivery and shipping companies. Publication of a non-conditional patent application occurred almost 18 months before its initial precedence date in the US. Once it’s published, USPTO can use a patent application to reject the third-party patent applications for the correlated technology.

 

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