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What is Bitcoin?

Bitcoin is a digital crypto-currency with no single point of failure due to its decentralized peer-to-peer architecture. The source code is publicly available and changes to the reference Bitcoin client are made via concensus within the community. Advantages of Bitcoin include irreversible transactions (i.e. no possibility of chargebacks as with credit cards), pseudo-anonymous, limited and fixed inflation, near instant transactions, multi-platform, no double-spend and little to no barriers to entry and more. It was created by an anonymous person known as Satoshi Nakamoto. Find out more at WeUseCoins.com.

Bitcoin Latest News

Yes, Bitcoin Is a Means of Payment. Just Not Yet for You - Bloomberg


Bloomberg

Yes, Bitcoin Is a Means of Payment. Just Not Yet for You
Bloomberg
One popular workaround involves exchanges and wallet providers such as Coinbase and Xapo, which hold Bitcoin on behalf of millions of individual customers. Coinbase last year estimated that they were storing about 10 percent of all bitcoin in ...
How To Save on Bitcoin's Soaring FeesCoindesk

all 12 news articles »

Posted on 22 January 2018 | 5:00 pm

Bitcoin Is Too Small, Volatile and Energy-Burning to Be Part of Your Portfolio - Barron's


Barron's

Bitcoin Is Too Small, Volatile and Energy-Burning to Be Part of Your Portfolio
Barron's
That, of course, was a very low hurdle last year, when bitcoin soared 1,300%. But that momentum hasn't lasted this year, with the price down about 30%. And bitcoin is unlikely to be embraced by sustainable or ESG (Environmental, Social And Governance ...
Analysis: Bitcoin Has No Role In Asset AllocationBenzinga

all 3 news articles »

Posted on 22 January 2018 | 4:16 pm

This is what determines the price of Bitcoin - Popular Science


Popular Science

This is what determines the price of Bitcoin
Popular Science
For example, consider Coinbase.com— a popular hub, or brokerage, for people who want to buy or sell Bitcoin. If you purchase there, the entity selling you the cryptocurrency is actually Coinbase itself. Coinbase.com has a sister site, called GDAX ...
Bitcoin Cash's Roller Coaster Month Sees Market Cap Fall by 50%Hacked

all 3 news articles »

Posted on 22 January 2018 | 3:58 pm

Bitcoin Slides More Than 10 Percent to Near $10000 Level - CoinDesk


CoinDesk

Bitcoin Slides More Than 10 Percent to Near $10000 Level
CoinDesk
The price of bitcoin is down more than 10% today, according to CoinDesk's Bitcoin Price Index (BPI). At press time, the cryptocurrency's price is trading around $10,237.28, a decline of roughly 10.92% from the day's open of $11,522.86. As it stands ...

Posted on 22 January 2018 | 3:06 pm

Bitcoin Slides More Than 10 Percent to Near $10,000 Level

The price of bitcoin is down more than 10% today, according to CoinDesk's Bitcoin Price Index (BPI).

Posted on 22 January 2018 | 3:00 pm

SEC 'Looking Closely' at Public Company Blockchain Pivots, Says Chairman

The SEC is investigating companies that have made recent waves in markets with their public pivots toward blockchain.

Posted on 22 January 2018 | 2:40 pm

Bitcoin broker Coinbase booked $1 billion in revenue last year — so the company has told hovering VCs to back off - Recode


Recode

Bitcoin broker Coinbase booked $1 billion in revenue last year — so the company has told hovering VCs to back off
Recode
Coinbase, the bitcoin trading broker that has exploded in popularity as cryptocurrencies surge and nose dive, has encountered an unusual problem for a Silicon Valley startup: Too many investors are trying to get in. The six-year-old company crossed $1 ...
Bitcoin exchange Coinbase reportedly made more than $1 billion in revenues last yearBusiness Insider

all 4 news articles »

Posted on 22 January 2018 | 2:23 pm

Coinbase Taps Twitter Vet to Bolster Customer Support Team

Coinbase has added Twitter's former vice president of operations and user services to its team in an effort to improve its customer service.

Posted on 22 January 2018 | 1:10 pm

Commodity Merchant Louis Dreyfus Trials Blockchain for Soybean Trade

Louis Dreyfus, a major commodities trading company, has announced that it has piloted a blockchain-based transaction system developed by a group of financial institutions including ING.

Posted on 22 January 2018 | 11:00 am

Op Ed: Here’s What Paul Krugman Got Wrong in His Bitcoin Tweetstorm

Op Ed: Here’s What Paul Krugman Got Wrong in His Bitcoin Tweetstorm

Like many other mainstream economists, Paul Krugman has long-shown a complete disdain for Bitcoin. In late 2013, he went as far as to write a piece titled “Bitcoin Is Evil” for his column in The New York Times.

Moral objections to bitcoin are one thing, but Krugman also does not see much utility in the cryptoasset at all. While he has been able to express his hatred for Bitcoin quite clearly, his technical criticisms of bitcoin as a new type of asset and store of value leave something to be desired.

In a tweetstorm on Sunday, January 21, 2018, Krugman illustrated his ignorance on the usefulness and utility of bitcoin around the world.

Starts Out Well Enough With the Digital Gold Analogy

Krugman’s tweetstorm started out well enough. In fact, the opening tweets were likely some of the nicest things the Nobel Laureate has ever had to say about bitcoin.

“As I see it, cryptocurrencies like Bitcoin are in effect like digital gold coins, in the sense that they can't be counterfeited ... Cryptocurrencies use cryptographic techniques plus distributed storage to create non-material entities that are nonetheless impossible to fake,” tweeted Krugman.

Digital gold is still the best analogy to sum up the digital asset’s value proposition, and the utility of bitcoin should become more apparent as the world moves deeper into a cashless society. In a cashless society, bitcoin would become the last financial bastion of freedom in a world where the global financial system is under complete control of governments.

The Avoidance of Trusted Third Parties in Payments Is a Big Deal

After those tolerable first few tweets, Krugman goes off the rails with the claim that online payments that don’t involve a trusted third party aren’t that important.

“Cryptocurrency lets you make electronic transactions; but so do bank accounts, debit cards, Paypal, Venmo etc. All these other methods involve trusting a third party; but unless you're buying drugs, assassinations, etc. that's not a big deal,” tweeted Krugman.

First all of all, there’s no reason to bring morals into an exploration of bitcoin’s utility. Either people will use it or they won’t. Whether you like what they’re doing is a different matter. Bitcoin’s use in darknet markets, ransomware, online gambling and other fringe areas cannot be ignored. Utility is utility.

Secondly, not everyone has access to PayPal, Venmo, and other online payment platforms. These options are centralized and permissioned. They’re also highly regulated, which means plenty of people fall through the cracks and cannot gain access to them.

Online freelancers in Venezuela take bitcoin because their government and payment platforms like PayPal have failed them.

Interesting post on /r/Bitcoin from a Redditor who compares the different options for storing value in Venezuela.

"I know a lot of people who sold everything they could to leave the country and took their money to bitcoins through @LocalBitcoins."
https://t.co/dvmxu4ozhV pic.twitter.com/R3egCdmoLa

— Kyle Torpey (@kyletorpey) December 1, 2017
Krugman goes on to point out the clunkiness of Bitcoin as it exists today, and he’s generally correct on this front. But this does not mean there’s no utility here. In fact, the opposite is true: There is so much utility that it has become difficult to scale the system to all of the people who want to use it.

Complaining about the lack of cheap, user-friendly payments on Bitcoin today is analogous to someone in 1995 complaining that the internet doesn’t have Netflix. Just give it a minute. Payment layers are currently being built on top of the base Bitcoin blockchain, with the Lightning Network being the most obvious example.

The Claim That Bitcoin Has Nothing to Backstop Its Value

Krugman then turned to the often-used argument that bitcoin lacks any sort of underlying value. This should come as a surprise, since he just laid out how it is useful for illicit digital payments.

“Meanwhile, what backstops a cryptocurrency's value? Paper money is ultimately backed by governments that will take it in payment of taxes (and central banks that will reduce the monetary base in case of inflation). Gold is actually useful for some things, like filling teeth and making pretty jewelry; that's not most of its value, but it does provide a tether to reality, along with a 5000-year history,” tweeted Krugman.

“Cryptocurrencies have none of that,” Krugman continued. “If people come to believe that Bitcoin is worthless, well, it's worthless. Its price rise has been driven purely by speculation — by what Robert Shiller calls a natural Ponzi scheme, in which early entrants make money only [because] others buy in.”

If bitcoin is useful for permissionless digital payments, then it has the same sort of underlying utility that the U.S. dollar has in the form of tax payments.

Additionally, the U.S. dollar would also become worthless if people woke up one morning and came to believe that it was worthless.

Of course, all of this misses the point anyway. How much of the value of all the U.S. dollars in the world comes from its use in tax payments? How much of the value of all the gold in the world comes from its use in electronics? Not much.

Krugman misses that storage of value is also a form of utility, and bitcoin is the most uncensorable, unseizable store of value the world has ever seen. You can walk around with a passphrase in your head that can unlock access to thousands of bitcoins, and no one would be the wiser. Not to mention there is no centralized party that can inflate the supply.

The Point of Market Manipulation

Krugman also touched on the high potential for manipulation in the bitcoin market, pointing to a paper regarding the manipulation of the bitcoin price by now-defunct bitcoin exchange Mt. Gox, as an example.

This is another claim with some basis in reality, but it ignores the massive amounts of manipulation and lack of transparency in the traditional financial system, which is what led to the creation of bitcoin in the first place.

Through the use of cryptographic proofs, bitcoin has the potential to become much more transparent and trustless than the traditional financial system. Bitcoin’s monetary policy is already much more transparent than what goes on at the Federal Reserve. There’s a reason someone put up a “Buy Bitcoin” sign while Federal Reserve Chairwoman Janet Yellen spoke against the need for further audits of the central bank.

Bitcoin exchanges are highly centralized institutions, which opens the door for manipulation. However, these exchanges have also become much more regulated over time. Today, it’s far more difficult to run an exchange at the level of incompetence that was found at Mt. Gox.

The potential for market manipulation should decline as the technology around bitcoin improves. Eventually, more trades may take place on decentralized exchanges, where it’s impossible to fudge the numbers.

In his last tweet from his thread on Sunday, Krugman said it’s unclear if the Bitcoin blockchain — or any blockchain for that matter — is useful.

Around $3 billion worth of bitcoin has been transacted on the Bitcoin network per day this year, according to Blockchain; $75 million worth of bitcoin per day was the norm the day Krugman first published an article on the subject.

Krugman’s arguments, as well as arguments from other well-known economists, have not changed much since 2013, but the Bitcoin network has continued to grow. It’s possible that Krugman and his colleagues are unable to comprehend the usefulness of bitcoin as an asset because it does not fit into the regulated, controlled environment they’ve built their economic and political worldviews around.

Bitcoin cannot be tamed, and they hate that.


This article originally appeared on Bitcoin Magazine.

Posted on 22 January 2018 | 10:32 am

China Moves to Crack Down on Digital Currency Pyramid Schemes

China's public security ministry says it will take aim at pyramid schemes in the country, including those that purportedly involve cryptocurrencies.

Posted on 22 January 2018 | 10:00 am

Canadian Research Body Pilots Ethereum in Transparency Push

The National Research Council of Canada is trialing the ethereum blockchain for recording government contracts.

Posted on 22 January 2018 | 9:00 am

Criminals Drop Bitcoin for Other Cryptocurrencies - Fortune


Fortune

Criminals Drop Bitcoin for Other Cryptocurrencies
Fortune
Bitcoin is the world's most popular digital currency but, in the crypto community, complaints are growing: Bitcoin takes too long to process transactions, the fees are too high, it's expensive, and too volatile. One sign of this discontent is reports ...
Don't Try To Catch The Bitcoin KnifeSeeking Alpha
The Bull And The Bear Case For Bitcoin, Ethereum, Ripple, Litecoin, And Other CryptocurrenciesForbes

all 97 news articles »

Posted on 22 January 2018 | 8:03 am

This Long-Time Wall Street Analyst Says Bitcoin Could Fall to $1000 - Fortune


Fortune

This Long-Time Wall Street Analyst Says Bitcoin Could Fall to $1000
Fortune
Bitcoin's well-documented plunge of the past month could just be a precursor of what's to come, according to one well-respected Wall Street veteran. Peter Boockvar, chief investment officer at Bleakley Advisory Group, says the cryptocurrency could fall ...
Bitcoin To Drop As Low As $1000 This Year, Wall Street CIO PredictsCointelegraph (Bitcoin, Cryptocurrency and Blockchain News)
Bitcoin could lose 90% of its value, Wall St. veteran Boockvar warnsCNBC
Panicky bitcoin investors looking to gold amid fears of a collapseNew Zealand Herald
The Merkle -Fin24
all 28 news articles »

Posted on 22 January 2018 | 7:35 am

Huobi Is Launching a Token, But It's 'Not an ICO'

China-based crypto exchange Huobi has announced that it will issue its own token based on the ethereum ERC-20 standard.

Posted on 22 January 2018 | 7:00 am

What a Facebook Blockchain Token Might Look Like

If Facebook CEO Mark Zuckerberg really wants to experiment with decentralized systems, a publicly issued crypto-token would be hell of a way to do it.

Posted on 22 January 2018 | 6:00 am

Bitcoin Defends $11,000 Mark and Eyes Move Higher

Bitcoin is stuck in a narrow range currently, but a breakout may lie ahead, the price charts indicate.

Posted on 22 January 2018 | 5:10 am

Korean Crypto Exchange Korbit Halting Deposits from Non-Citizens

South Korea's Korbit exchange has informed users that non-citizens will soon not be able to deposit Korean won for trading.

Posted on 22 January 2018 | 4:10 am

Opera Browser Adds Cryptocurrency Miner Protection for Smartphones

The Opera web browser is now protecting smartphones from cryptocurrency miners embedded in websites, the company says.

Posted on 22 January 2018 | 2:00 am

Don't HODL, BUIDL: How Blockchain Tech Will Add Value in 2018

The question is what can we solve, enhance, or deliver that will make individuals or organizations produce more, be more efficient or enjoy life more?

Posted on 22 January 2018 | 1:00 am

Indian State Partners With Fund To Launch Blockchain Ecosystem

The Indian state of Andhra Pradesh announced a partnership with Covalent Fund to kickstart a blockchain ecosystem at its Fintech Valley Vizag.

Posted on 22 January 2018 | 12:00 am

How Nigerians Beat Bitcoin Scams - Bloomberg - Bloomberg


Bloomberg

How Nigerians Beat Bitcoin Scams - Bloomberg
Bloomberg
The country's embrace of the cryptocurrency has led to some old-school precautions against fraud.

and more »

Posted on 21 January 2018 | 10:16 pm

Opening Hyperledger: Consortium to Create Experimental Labs for Startups

An effort to connect startups with companies formally recognized by Hyperledger, the measure may accelerate the rate at which new ideas find traction.

Posted on 21 January 2018 | 10:00 pm

Contortions for Compliance: Life Under New York's BitLicense

New York passed the BitLicense in a vacuum. Now state and federal laws are catching up, often with poor coordination, causing a compliance nightmare.

Posted on 21 January 2018 | 5:40 am

Public Blockchains' Lure Will Become Irresistible for Enterprises in 2018

Decentralized public blockchains are the only way enterprises will commit to digitizing services in an interoperable manner, says EY's Paul Brody.

Posted on 21 January 2018 | 5:05 am

Lightning Network May Not Solve Bitcoin's Scaling 'Trilemma'

It isn’t possible to have decentralization, a fixed money supply and sufficient liquidity for an efficient payments system, says Frances Coppola.

Posted on 20 January 2018 | 5:20 am

Battle-Testing Lightning: Schools Start Contest to Secure Bitcoin’s Layer 2

Organizers hope a new competition will spur security advances for Lightning, but also steer bitcoin debates in more constructive directions.

Posted on 20 January 2018 | 4:30 am

Bitcoin Price Analysis: Potential Bearish Continuation Sets Up Lower Lows

Bitcoin Price Analysis

Shortly after a sharp drop from the mid $14,000 to the lower $9,000s, bitcoin saw a strong bounce to the upper $11,000s. At the time of this article, bitcoin appears to be consolidating and is ready to make its next move:

fig1

Figure 1: BTC-USD, 1 Day Candles, Macro View

In the previous BTC market analysis, we discussed the distribution trading range the market fell out of as it reached for lower support boundaries. Ultimately, it found support on the macro 50% retracement values near $10,000. Once it broke south of the trading range, the price fell sharply and with high volume:
fig2

Figure 2: BTC-USD, 15 Minute Candles, Current Support and Resistance Levels

After bouncing off the macro 50% values, the market rallied and ultimately tested the linear trendline shown in Figure 1. Now, after several failed attempts to break the linear trendline’s resistance, the market finds itself in a consolidation pattern where it decides where it will move next.

fig3

Figure 3: BTC-USD, 60 Minute Candles, Potential Bear Flag

One possibility to keep a close eye on is this potential, strong bear flag. After finding support on the macro 50%, the subsequent rally saw decreasing volume throughout the length of the movement. This sort of price action could potentially lead to a bearish continuation with a measure move between $4000 and $5000 — a price target of approximately $6,000 – $7,000. If a drop of this magnitude continues the downtrend, we can expect to find support on the 61% macro Fibonacci retracement values shown in Figure 1.

It’s important to note that bitcoin has a penchant for breaking upwards when all signs say “down,” so tread lightly and wait for confirmation of the move. Confirmation of the bear flag breakout would show a pretty obvious outlier in volume, combined with wide price spread.

Summary:

  1. Bitcoin recently saw a steep drop in price where it ultimately found a local bottom in the low $9,000s.
  2. Since it bottomed out, it has seen a rally on decreasing volume which leaves the door open for a bearish continuation.
  3. If the bearish continuation continues, expect support on the 61% macro retracement values.

Trading and investing in digital assets like bitcoin and ether is highly speculative and comes with many risks. This analysis is for informational purposes and should not be considered investment advice. Statements and financial information on Bitcoin Magazine and BTC Media related sites do not necessarily reflect the opinion of BTC Media and should not be construed as an endorsement or recommendation to buy, sell or hold. Past performance is not necessarily indicative of future results.


This article originally appeared on Bitcoin Magazine.

Posted on 19 January 2018 | 2:48 pm

Two New Services Could Help Investors Rate Cryptocurrencies

Cryptocurrency Rating Services Launched

Increasing interest in cryptocurrencies has led to an influx of new investors. Unlike traditional markets, there are few tools that can help people make informed decisions, a situation that has already begun to claim victims in a particularly volatile environment.

In separate announcements, Weiss Ratings and Intercontinental Exchange (NYSE: ICE) have announced the introduction of new financial tools to help investors navigate the cryptocurrency market and make smarter investments.

Weiss Ratings, an established independent rating agency of financial institutions, says they will begin issuing ratings for cryptocurrencies on January 24, 2018, to help investors make informed decisions.

ICE, an operator of a network of global futures, equity and equity options exchanges, is partnering with blockchain technology provider Blockstream to launch the Cryptocurrency Data Feed (CDF).

Weiss Ratings Takes On Cryptocurrencies

Founded in 1971, Weiss is an independent rating agency of financial institutions. They will begin issuing letter grades for cryptocurrencies including Bitcoin, Ethereum, Ripple, Bitcoin Cash, Cardano, NEM, Litecoin, Stellar, EOS, IOTA, Dash, NEO, TRON, Monero, Bitcoin Gold and many others.

According to Weiss Ratings founder Martin Weiss, the data they are using is a combination of purchased data and data collected through other sources. It is updated on a daily basis, covering a sliding 12-month window.

Regressive testing to verify past data that the company uses to confirm predictions is still ongoing, but results have been accurate thus far, Weiss told Bitcoin Magazine.

“We have built an analytical technology over the years using intelligent models to replicate the real world and we are applying [these] to cryptocurrenc[ies]. These have been very accurate for many years.”

Ratings are built up across multiple indexes. The company built new models to reflect cryptocurrency data and developed an overall grading system that is broken down into four separate sub-models:

  1. Risk Index — The level of risk involved in the investment, based on factors like price activity and volatility.
  2. Reward Index — The potential reward outcome, based on historical patterns of buying and selling.
  3. Technology Index — A primarily manual process, where company analysts review the source code and white papers, analyze price movement and make ratings in a Query Tree (their internal software) to generate a quantitative result.
  4. Adoption Index — A measurement of adoption along two dimensions: how broadly it is adopted, transaction speed, settlement times, etc.

“A weighted average of those 4 indices is used to get the final grade,” said Weiss. “The goal at Weiss is to empower the investor to make prudent decisions.”

ICE Data Services: Real-Time Trading Data

The Cryptocurrency Data Feed (CDF) is a multi-asset and multi-venue data feed, capturing nearly 80 percent of cryptocurrency exchange trading volume over more than 15 exchanges around the world. It measures leading cryptocurrencies against the U.S. dollar and other major currency pairs.

The captured data is normalized to create a unique number sequence to identify the transaction, details of where the trade took place, quantity, price, currency, timestamp and other relevant order book data. This is designed to enable ICE Data Services’ customers to receive global market–representative trading data in a real-time feed with high-quality information.

“With the broad array of cryptocurrencies and exchanges, and given the price variances between exchanges, it’s critical that investors have a comprehensive source of pricing information,” said ICE Data Services President and COO Lynn Martin in a statement.

According to Blockstream SVP of Business Affairs Alex Fowler, the initial exchange partners set up through cooperative agreements include Bitbank, Bitfinex, BitMEX, Bitso, Bitstamp, BtcBox, BTCC, CEX, Coinfloor, Coincheck, itBit, GOPAX, OKEx, SurBTC, The Rock Trading, Unocoin, Vaultoro and Zaif, with more coming soon.

The data is collected using the exchanges’ APIs and, in some cases, by setting up dedicated connections with them. The current feeds lack standardized formatting and information: part of what ICE is providing is a single source that consolidates and standardizes the data, which will average out the information from the multiple sources into a more accurate overall view.

Historically, the data currently only goes back to the initial integration; however, Blockstream is working with the exchanges to try and incorporate older data as well.

Fowler told Bitcoin Magazine, “We believe that a consolidated data source, resulting from the combined participation of a strong and growing list of exchange partners globally, will enable us to address these gaps and thereby promote better liquidity, price stability, and public confidence in cryptocurrency as asset class.”

CDF will include bitcoin and a wide range of cryptocurrencies and currency pairings on launch; the final list will be on their website. ICE will develop and publish a selection of criteria for decisions on the addition and/or removal of assets in the feed. This will be an ongoing process as the market evolves. Access to the real-time CDF will be available to subscribers of ICE Data Services’ Consolidated Feed in March 2018.


This article originally appeared on Bitcoin Magazine.

Posted on 19 January 2018 | 2:03 pm

Cornell IC3 Researchers Propose Solution to Bitcoin’s Multisig “Paralysis” Problem

Cornell IC3 Researchers Propose Solution to Bitcoin’s Multisig “Paralysis” Problem

Owning cryptocurrency comes with its own set of challenges. One of the biggest of those challenges is managing the private keys that enable you to spend funds. Lose your private keys, and your money is gone.

In a business environment, a common way to manage funds owned by multiple people is via what’s called a multisignature (multisig) address, a type of smart contract requiring two or more parties to sign off on a transaction to move the funds. 

This can be problematic, however. Let’s say you have a three-of-three multisig that requires you and two business partners to sign off on a transaction. If one person dies, disappears or becomes incapacitated, those assets become frozen — a risk some might feel uncomfortable with when dealing with tens of thousands of dollars or more.   

One way to ameliorate that risk might be to opt for a two-of-three multisig, where only two instead of all three individuals need to sign off on a transaction. But that’s not a complete solution either. Two players could conspire against the other one and run off with the money.

What now? If your funds are on the Ethereum blockchain, you could write a smart contract that would allow you to free the funds if one person in your trio disappeared.

However, Bitcoin with its limited scripting language makes things more difficult. “This seems like an unsolvable problem if you think about the traditional tools,” said Ari Juels, a professor at Cornell Tech and co-director of the Cornell Initiative for Cryptocurrencies and Contracts (IC3).

Paralysis Proofs

In a paper titled “Paralysis Proofs: How to Prevent Your Bitcoin from Vanishing,” researchers Fan Zhang, Phil Daian, Iddo Bentov and Ari Juels from the IC3 outline how to deal with what happens when a party is unable, or unwilling, to sign off on a multisig transaction in Bitcoin. The solution involves a combination of blockchain technology and trusted hardware — Intel SGX, in this case.   

Trusted hardware allows you to run code inside a protected enclave. Even a computer’s own operating system is unable to access data inside an enclave, so if your computer were to be hacked, the code in the enclave would remain secure.

IC3’s solution proposes replacing a trusted third party, such as a lawyer or a bank, who would put money in an escrow, with a trusted hardware solution that retains control of a master key to the funds.  

If one of the three people in the contract dies, the other two initiate a “paralysis proof.” That proof is based on a challenge sent to the missing third person. If the missing person responds to the challenge, the money stays put. If the missing person does not respond, the trusted hardware releases the funds to the remaining two players.  

Trusted hardware is only part of the solution, however. If the third person were to try and respond to the challenge request with an indication she is still alive, conceivably, the other players could intercept that message. To ensure that does not happen, the second half of IC3’s solution involves sending the message via the blockchain, which provides a tamper-proof and censorship-resistant medium.    

“By combining these two [methods], we can achieve the exact properties we’re after,” Juels explained to Bitcoin Magazine. “We can enable trusted hardware to determine whether or not somebody is alive, and there is no way to prevent a relevant message from getting transmitted if it is coming through the blockchain.”   

How It Works

Put simply, this is how to achieve a paralysis proof as outlined by the IC3 researchers:

  • Two players suspect a third is dead, so they post a challenge on the blockchain. The challenge consists of a tiny “dust” UTXO that the third person must spend within a certain period of time, say 24 hours, to prove she is alive.
  • The two players also get a “seize” transaction they may post to the blockchain later to collect the funds, if the third person does not respond to the challenge.
  • If the third person sends back a response by spending the UTXO, the game is over; the two others are not able to take control of the funds.  
  • Alternatively, if the third person does not return an “alive” signal by spending the UTXO before the time-out, then the two others can use the “seize” transaction to take control of the funds.  

This not the only use case for a paralysis-proof system. Juels thinks the solution would work well in any situation that called for a controlled access to private keys that could not otherwise be maintained on a blockchain. “It is actually a very general scheme you could use for lots of other purposes,” he said.   

For instance, a paralysis-proof system could be used as a dead man’s switch for control over the release (or decryption) of leaked information or a journalist’s raw materials. It could also be used in numerous ways to control daily spending limits from a common pool of money or as a conditioned expenditure based on an outside event (as reported by an oracle), like a student getting good grades or a salesperson meeting a sales quota.   

“Basically, you can a rich set of conditions around the expenditure of money using the fact that a trusted hardware kind of acts like a trusted third party,” said Juels.

This article originally appeared on Bitcoin Magazine.

Posted on 19 January 2018 | 9:07 am

Decentralizing the Sharing Economy With Blockchain Technology

Decentralizing the Sharing Economy With Blockchain Technology

San Francisco–based startup Origin is creating a set of protocols that allow developers and businesses to build decentralized marketplaces on the blockchain, with a focus on the sharing economy.

The Origin Protocol is a set of open-source blockchain protocols for buyers and sellers of services like car-sharing or home-sharing to transact on a decentralized, open web platform.

The protocol’s applications will store transactional data such as pricing and availability directly on the blockchain.

Leveraging the Ethereum blockchain and the Interplanetary File System (IPFS), the Origin platform will create and book services and goods in a decentralized way, without traditional intermediaries.

Recently, Origin launched its functional, completely decentralized prototype Origin Protocol Demo DApp, live on the Ethereum test network. It also announced that several companies have committed to developing further applications on the Origin platform.

“Our vision for Origin is to create protocols that allow marketplaces to be governed by a set of rules instead of corporate rulers. We want to eliminate the rent-seeking middlemen, maximize personal liberty, reduce censorship and redistribute value to the early participants in the network,” Origin co-founder Josh Fraser said in conversation with Bitcoin Magazine. “Partners are building on Origin because they realize they can get to market sooner and we can share network effects by working together.”

Tackling the Problems of the Centralized Marketplace

Uber and Airbnb, the hugely popular marketplaces for ride-sharing and home-sharing, are usually considered the leading players in the emerging “sharing economy.” Another buzz phrase, “people as a service,” describes the business models of these two companies, both of which attracted funding that values them in the tens of billions of dollars.

Consumers perceive that Uber and Airbnb are faster, cheaper and better alternatives to traditional services like taxis and hotels, delivered via sophisticated yet easy to use apps. But, while the consumer has the impression that they are buying services directly from individual providers in decentralized, P2P networks, Uber and Airbnb are centralized systems where transactions between individual consumers and providers are routed through infrastructure, hubs and software that belong to the companies that own the platform.

Centralization makes Uber and Airbnb vulnerable to regulatory actions, and there is the possibility that both services could be shut down by the government at any time. In the meantime, besides taking a fee, the platform owners are in complete control of the networks and the individual providers and are often accused of predatory behavior.

“Look at Uber and Airbnb as examples,” said Fraser. “Both companies have been banned or heavily regulated in cities all around the world. Likewise, those companies have a history of banning certain individuals for life from ever using their marketplaces.”

Uber and Airbnb (the Services) without Uber and Airbnb (the Companies)

According to data provided by Origin, Uber, Airbnb and other centralized sharing marketplaces are expected to earn $40 billion in platform fees annually by 2022, and the sharing economy as a whole is expected to top $335 billion by 2025. Some centralized sharing services charge upwards of 30 percent fees for hosting transactions.

Origin wants to cut out these middlemen with new standards based on blockchain technology.

The Origin platform “enables people to freely transact on the blockchain in decentralized marketplaces without rent-seeking middlemen,” says Coleman Maher. who recently joined Origin as its first business development hire. “We aim to eliminate excessive transaction fees, reduce censorship and redistribute value back to the community.”

“We imagine a broad collection of vertical use cases (e.g short-term vacation rentals, freelance software engineering, tutoring for hire) that are built on top of Origin standards and shared data,” reads the Origin product brief. Origin applications will be able to share users, creating a “shared network effect” that could benefit all application providers, as well as the consumers.

Bee Token, SnagRide, JOLYY, Acquaint, Aworker, BlockFood, Edgecoin and ODEM have committed to building on the Origin platform. More partners will be announced in the coming months.

The first two projects are in Airbnb and Uber territory. The Bee Token team, a group of former employees from Google, Facebook, Uber and Civic, is building a middleman-free, peer-to-peer network of hosts and guests on the decentralized web, with the stated goal of “reinventing the home sharing economy.” SnagRide is a ride-sharing application for mid– to long-distance rides, which leverages artificial intelligence and blockchain-powered smart contract technologies to smartly manage drivers and passengers willing to travel together between cities and share the cost of the trip.

The Origin ecosystem will offer incentives based on the Origin token, an ERC20 utility token on the Ethereum blockchain, described in the Origin white paper. The Origin token, to be distributed later in 2018, is the currency used for transactions on the Origin platform. However, the Origin team plans to implement on-the-fly conversions of fiat currencies and Ethereum to the Origin token in future releases.

This article originally appeared on Bitcoin Magazine.

Posted on 18 January 2018 | 11:06 am

Halong Mining and MyRig Announce Partnership

dragonmint.png

Halong Mining and MyRig are working together to bring the new DragonMint miner from Halong to market.

First announced in November 2017, the new Halong Mining DragonMint 16T miner is the result of 12 months of R&D and a $30 million investment in development. It has a hashrate of 16th/s with a power consumption of 1440–1480 watts optimized for 240v operation. The DM8575 ASIC runs at 85 GH per chip with a power efficiency of 0.075 J/GH. No special modifications are needed in a data center to use the DragonMint if it is already configured to support a typical Chinese-manufactured ASIC miner.

MyRig (formerly BitmainWarranty) has been providing hosting and retail sales of miners and accessories, PCB design and manufacturing, software engineering and factory approved warranty and repair services since 2013. The partnership with Halong means that MyRig will take care of retail-side distribution, support and warranty services for the DragonMint 16T.

Halong will be manufacturing the DragonMint and continue to sell direct, albeit with a five-unit minimum. Halong told Bitcoin Magazine that the five-unit minimum per order on their site will remain when ordering direct from Halong, but when ordering from MyRig, customers will be able to order single units. They indicated that lead time for shipping at the moment is April 15–30, 2018, and they expect the first batch to go out in March 2018.

According to a MyRig representative, they will ship to any country that either UPS or DHL can deliver to, provided it is not on a sanctions list.

This article originally appeared on Bitcoin Magazine.

Posted on 17 January 2018 | 3:37 pm

Bitcoin tops $10,000 milestone

Posted on 29 November 2017 | 2:30 am

Bitcoin reaches new all-time high: $3,000

Posted on 12 June 2017 | 1:06 am

CRYENGINE now accepts Bitcoin

Posted on 29 March 2017 | 1:24 am

Bitcoin Trading Bots

There have been a wide variety of situations in which algorithmic trading programs have proven to be beneficial for investors. However, investors who only trade a cryptocurrency can also take advantage of bitcoin trading bots. Through bitcoin bot trading, traders can become more flexible and prompt, minimize errors and process information more rapidly. At this… Read More »

Posted on 8 November 2016 | 6:20 pm

Steam accepts Bitcoin

Posted on 29 April 2016 | 1:09 am

Major Magazine Publisher to Accept Bitcoin Payments

Posted on 18 December 2014 | 12:43 pm

PayPal and Virtual Currency

Posted on 23 September 2014 | 9:52 pm

Wikimedia Foundation Now Accepts Bitcoin

Posted on 30 July 2014 | 3:14 pm

German Newspaper "taz" accepts Bitcoin

Posted on 22 July 2014 | 1:32 pm

January 22, 2018 -
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