bitcoin fever hits us real estate market
Last Updated : GMT 05:21:58
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Last Updated : GMT 05:21:58
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Bitcoin fever hits US real estate market

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Arab Today, arab today Bitcoin fever hits US real estate market

Bitcoin
London - Arab Today

As bitcoin raced to another record high on Tuesday, one of the biggest providers of digital currency wallets, Coinbase, went down under the weight of traffic, leaving many of its more than 10 million customers unable to access their funds.

At the same time, Bitfinex, the world's biggest bitcoin exchange by trading volume, said it was under a heavy denial-of-service (DDoS) attack, meaning its servers had been intentionally flooded with junk online requests, taking down its website and crippling its services.

The latest outages show how the market infrastructure for an immature and volatile instrument that millions of investors have piled into may be ill-equipped to cope with sudden shifts in demand, which is worrying some investors.

During a particularly volatile period of trading on Dec. 7, bitcoin surged from below $16,000 to $19,500 in less than an hour on Coinbase's exchange GDAX, while it was changing hands at less than $16,000 on another, Bitstamp.


As trading volume surged, GDAX and Coinbase went down at least 10 times because of "record-high traffic", Coinbase said.

"More people are engaging with our platform than ever and that bodes well for the future of the digital currency. At the same time, it does create extreme volatility and stress on our systems," the company's director of business operations, David Farmer, said.

"We can confirm that there has been no unusual or suspicious activity. All we know right now is that there is a large amount of traffic," he told Reuters.

Bitfinex said it had been under a sustained DDoS attack since last week.

"While last week the platform traded continuously, to effectively perform emergency maintenance, we took the website down for a brief time today (Tuesday) to mitigate further issues for customers," a spokesman said.

"We are constantly improving our systems to ensure that we're able to both accommodate the immense volume of trading that occurs on our platform while also fending off sustained DDoS attacks," he said.

24/7 MARKET

Daniel Masters, founder of Global Advisors Bitcoin Investment Fund, worries the exchanges would struggle to cope if there were a sudden rush for the exit.

"The ability of these platforms to handle volume is yet to be tested properly," he said. "What happens if this market turns into a lot of sellers? The liquidity itself could be an issue."

Charles Cascarilla, chief executive of New York-based company Paxos, which operates cryptocurrency exchange itBit, told Reuters that dealing with spikes in volume was a problem faced by all exchanges, not just cryptocurrency platforms.

"Clearly the reality is the world of cryptocurrency is growing at an exponential rate right now and everyone is doing their best to expand infrastructure, but it is hard to know what would happen in a hypothetical scenario," he said.

Cameron Winklevoss, co-founder of the Gemini exchange, an early bitcoin investor and an outspoken supporter of the cryptocurrency, said the risk the wider market would suffer badly if one exchange went down no longer existed, as trading volume had become more evenly spread.

"We are definitely beyond the too-big-to-fail situation," he told Reuters. "That was a problem we had five years ago when Mt. Gox accounted for 95 percent of volume."

"Most of the exchanges are doing a good job. This is a 24/7 market, there is no session close and there is no downtime."

Mt. Gox, the world's biggest bitcoin exchange at the time, collapsed in 2014 after hackers stole 650,000 bitcoins, triggering a collapse in the bitcoin price.

The demise of Mt. Gox left more than 24,000 customers unable to access hundreds of millions of dollars of cryptocurrency and cash. More than three years later none has recouped a cent.

BITCOIN FUTURES

Some investors had said they were worried the launch of bitcoin futures by the world's biggest derivative exchanges could exacerbate volatility by prompting some traders to take out large positions betting on a price fall in the future.

The Chicago-based Cboe Global Markets Inc. futures launched a futures contracts on bitcoin on Dec. 10 and CME Group Inc will launch a rival contract a week later.

So far this week, the launch of futures by Cboe does not appear to have created any additional volatility, with price moves less violent than last week's wild trading.

But Tim Swanson, a bitcoin expert and founder of Post Oak Labs, a technology advisory firm, said he was concerned that if the futures liquidity increases there could be an incentive for someone with a large bet against bitcoin to disrupt or attack the network to make money from the ensuing price fall.

CME Group and Cboe declined to comment.

Flooding the bitcoin network with tiny transactions could potentially send the price down sharply, said Swanson, as could sending many sell-signals to the market that are not honored - so-called spoofing, which is illegal in regulated markets.

A surge in bitcoin trades in recent weeks has also left the blockchain network that the cryptocurrency relies on to process and verify transactions struggling to keep up.

As of Wednesday at 1445 GMT, more than 125,000 bitcoin transactions remained unconfirmed.

In the past week, more than half a million new users have opened wallets with retail-focused bitcoin wallet provider Blockchain, the firm said, taking the total number of users to more than 20 million, from 10 million last year.

The London-based company has also been struggling to keep up, citing "record traffic levels" last week.

VOLATILE TRADING

Created in 2008, bitcoin uses encryption and a shared blockchain database that enables the anonymous transfer of funds outside of a conventional centralized payment system.

But there is little evidence to suggest buyers are using bitcoin as a means of exchange and payment. On the whole, they buy the cryptocurrency as a speculative investment, attracted by massive price gains, said Garrick Hileman, a research fellow at the University of Cambridge's Judge Business School.

As a result, some banks say they are worried that a collapse in bitcoin would have a knock-on effect on investments by individual investors in other asset classes.

Deutsche Bank said in a report on Dec. 7 that a bitcoin crash - and the impact it could have on retail investors' confidence - was one of the biggest risks to markets in 2018.

Periods of high volatility are not uncommon in other currencies and asset classes, particularly in commodities and emerging markets. But bitcoin's volatility is extreme, and frequent: the one-day price move has been more than 10 percent on nine days in the past three months.

Moves of a similar magnitude for the U.S dollar, for example, are extremely rare. Its biggest one-day move against a major currency was in January 2015 when the Swiss central bank abandoned a cap on the franc, sending the dollar down 18 percent.

Some bitcoin watchers, such as Swanson, also worry about the risk of one of the big exchanges being suddenly shut by authorities.

In July, U.S. authorities shut down the website of the BTC-e exchange, saying it had "facilitated transactions involving ransomware, computer hacking, identity theft, tax refund fraud schemes, public corruption, and drug trafficking".

BTC-e, which is no longer operating, could not be reached for comment.

The top three exchanges out of more than 100 - Bitfinex, GDAX and bitFlyer - are home to more than 60 percent of all trading, according to data provider Bitcoinity.

Another issue specific to the market is the risk of hacking and theft. More than 980,000 bitcoins have been stolen from exchanges, Reuters has found, with the Mt. Gox heist accounting for the majority.

Last week, a Slovenian cryptocurrency mining marketplace, NiceHash, said it had lost about $64 million worth of bitcoin in a hack of its payment system.

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