Chip maker AMD has seen its sales buoyed in recent months by big demand for graphics cards by cryptocurrency miners.

According to its latest financial report, AMD recorded $1.22 billion in revenue duringthe second quarter of 2017, up 19% compared to the same period last year. This increase, the company said, is being spurred "by higher revenue in the computing and graphics segment."

Yet cryptocurrency mining isn't part of its long-term strategy for growth, accordingto Lisa Su, the firm's president and CEO, who remarked on the phenomenon during a Q2earnings call this week.

However, that state of affairs could change depending on how the situation progresses in the months ahead.

Su said during the call:

"Relative to cryptocurrency, we have seen some elevated demand. But it's important to say we didn't have cryptocurrency in our forecast, and we're not looking at it as a long-term growth driver. But we'll certainly continue to watch the developments around the blockchain technologies as they go forward."

Mining is an energy intensive process by which new transactions are added to a blockchain. In return for adding a new blocks, miners are awarded with new tokens, with the profits being derived from the difference between the energy expended and the prevailing exchange rate of those tokens.

Much of the demand for graphics cards, or GPUs, is being driven by ethereum miners. Bitcoin mining, by comparison, is accomplished through special-purpose computers designed for that singular purpose.

Graphics cardsimage via Shutterstock

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AMD: Cryptocurrency Mining Isn't 'A Long-Term Growth Driver' - CoinDesk

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Investor Howard Marks, who predicted the financial crisis and dotcom bubble implosion, warned that cryptocurrency is a nothing more than a fad or pyramid scheme style scam.

He said: In my view, digital currencies are nothing but an unfounded fad (or perhaps even a pyramid scheme), based on a willingness to ascribe value to something that has little or none beyond what people will pay for it.

The co-chairman of Oaktree Capital, compared cryptocurrencies to the Tulip mania of 1637, the South Sea bubble of 1720 and the internet bubble of 1999.

In an investor letter, he said: Serious investing consists of buying things because the price is attractive relative to intrinsic value.

Speculation, on the other hand, occurs when people buy something without any consideration of its underlying value or the appropriateness of its price."

Bitcoin suffered a crash earlier this month but has since bounced back and is now up by almost nearly 160 per cent this year.

On Wednesday Bitcoin briefly fell as low as $2,433.83, its lowest price since the cryptocurrency dramatically rebounded last week.

The volatile digital currency saw a surge last Thursday after miners backed a new upgrade of the system designed to solve the cryptocurrencys scaling issue.

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Although Bitcoin narrowly avoided a fork this month, there are still concerns that digital currency is at risk of splitting into two versions.

Here is the latest Bitcoin news, prices and live updates (All times BST).

1pm:The value of Bitcoin is rising.Today's high is $2,822.24 andtoday's low is $2,682.87, according to CoinDesk. Bitcoin opened at$2,697.47.

8.30am: Hong Kong-based digital currency exchange Bitfinex claims that a minority of Bitcoin miners will be "forking" to create a new blockchain called Bitcoin Cash on August 1.

A "fork" is when a blockchain splits into two potential paths. Bitfinex said the fork does not impact Bitcoin balances, but it creates a new token.

Midnight: Thursday'shigh was $2,715.69 and its low was $2,541.71, according to CoinDesk. Bitcoin opened at $2,550.18 and closed at $2,697.47.

9.15pm: The provider of a publicly traded bitcoin exchange-traded note (ETN) has been fined more than 93,000 ($120,000) by Nasdaq Stockholm for infractions of exchange rules and financial regulations.

The stock exchange's Disciplinary Committee announced that it had levied the fine because the company, XBT Provider, violated provisions in its Internal Rule Book and certain regulations of the Financial Instruments Trading Act.

Among those violations, according to the statement, were "failing to ensure that the risk function reports to the board" and "failing to implement an audit of the company's internet and IT security."

The release also pointed to infractions related to annual reporting requirements.

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8.20pm:Bank of America Managing Director Francisco Blanch thinks that Bitcoin cannot successfully expand around the world without being subjected to some regulatory guidelines.

He says: "A key step for Bitcoin would be for it to become pledgeable collateral.

However, large inherent risks to digital tokens such as fraud, hacking, theft, new protocol adoption, limited acceptance and that it is not legal tender many places in the world make it an unlikely development."

Mr Blanchs position is supported by other financial services industry players like Morgan Stanley.

However, the efforts by several governments around the world to regulate the digital currencies have been relatively unsuccessful so far.

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11.30am: Bitcoin briefly fell below $2,500 on Tuesday and Wednesday. Last Thursday the price rose sharply after most developers backed BIP 91, a upgrade to the bitcoin system.

The BIP 91 lock-in was hailed as a victory as miners agreed to cement the first part of a larger effort to upgrade bitcoin, called Segwit2x.

Alex Sunnarborg, research analyst at CoinDesk, told CNBC: "I believe the market is currently somewhat torn between the optimism around BIP 91 locking in, which could lead to SegWit activating if all goes smoothly, and the fear of the second half of SegWit2x proposal, the 2MB block size hard fork, still being contested.

9am:A US jury has indicted a Russian man as the operator of a digital currency exchange he allegedly used to launder more than $4 billion for people involved in crimes ranging from computer hacking to drug trafficking.

Alexander Vinnik was arrested in a small beachside village in northern Greece on Tuesday, according to local authorities.

AFP Getty

US officials described Vinnik in a Justice Department statement as the operator of BTC-e, an exchange used to trade the digital currency bitcoin since 2011.

They alleged Vinnik and his firm "received" more than $4 billion in bitcoin and did substantial business in the US without following appropriate protocols to protect against money laundering and other crimes.

US authorities also linked him to the failure of Mt. Gox, a Japan-based bitcoin exchange that collapsed in 2014 after being hacked.

Vinnik "obtained" funds from the hack of Mt. Gox and laundered them through BTC-e and Tradehill, another San Francisco-based exchange he owned, they said in the statement.

8.30am: According to Sheba Jafari, head of technical strategy at Goldman Sachs, bitcoin needs a "few more swings" before the upward trend continues.

"Anything above 3,000 (Jun 13th high) will suggest potential to have already started wave V, which again has a minimum target at 2,988 and scope to reach 3,691 (the latter being a preferred target as this assumes a new high)," Ms Jafari wrote in a note to clients.

Goldman Sachs said Bitcoin is "still within the limits of a well-defined range", adding: "At this point, it seems reasonable to assume that the market is in a corrective process until there's been real evidence of an impulsive advance."

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Bitcoin LIVE news: Price latest as top investor warns cryptocurrency is an 'unfounded FAD' - Express.co.uk

Net Neutrality

Americans are slowly realizing the significance of the potential consequences of the FCCs current net neutrality regulations being repealed. These regulations once protected small businesses and content providers from intrusion by private, monopolistic internet service providers (ISPs), such as Verizon and Comcast. Before net neutrality, ISPs could disrupt, slow, and even censor content on the internet without any liability. This controversy reached its climax in 2007 when Verizon was exposed for blocking group chat conversations coming from a large pro-choice abortion group. However, many defenders of net neutrality are currently overlooking the political dynamic between net neutrality and the development of cryptocurrencies.

Blockchain and cryptocurrencies like Bitcoin have greatly benefited from past net neutrality regulations. Bitcoins price has increased 300 percent since Obamas regulations were put in place in February 2015. This growth has been attributed to many factors, including the governments of Japan and China becoming more tolerant of cryptocurrency use. Not to mention countless initial coin offerings (ICOs) also hitting the worldwide market. The last two years have been the most profitable and evolutionary period for cryptocurrencies since their inception. However, Bitcoin and other cryptocurrencies have been in the middle of a financial bubble, and a series of interventions from ISPs could force that bubble to implode which may not be a bad thing. Without net neutrality regulations, ISPs can function without any accountability. What that will mean for cryptocurrencies remains yet unknown.

Its no secret that many American corporations lean staunchly conservative, and would happily wipe out a disruptive technology that works against their interests something like cryptocurrencies. ISPs and the U.S. government maintain close ties, something which has become increasingly obvious in the past few months. The appointment of former Verizon lawyers such as Ajit Pai, as the head of the FCC is just one example, and state policies continue to keep 60 percent of Americans confined to just a single internet provider option.

The concentration of power amongst ISPs allows the government to more effectively regulate and influence the internets evolution. When and if cryptocurrencies are viewed as a problem by the U.S. government, the internet service provider will be looked at to find the solution. Under the current status quo, Bitcoin will not be considered as an alternative monetary system because it is too difficult to control and tax. Not to mention that Congress position on virtual currencies is still unclear, and interpretations of the Stamp Payments Act of 1862 may provide Congress with the legal footing to leverage against cryptocurrencies.

The Act states that:

Whoever makes, issues, circulates, or pays out any note, check, memorandum, token, or other obligation for a less sum than $1, intended to circulate as money or to be received or issued in lieu of lawful money of the United States, shall be fined under this title or imprisoned not more than six months, or both.

A simple way in which an ISP can affect the attractiveness of cryptocurrency investment is by slowing down broadband speeds of blockchain sites, which would in turn slow down transaction speeds. Yet, the speed (or lack thereof) of transactions has seemingly had zero effect on investment. Thus, cryptocurrencies themselves arent necessarily at risk unless ISPs conduct structural attacks on blockchain servers. By nature, blockchains are immune to human intervention. However, the internet provider holds the ability to implement a partition or delay attack. These attacks could effectively create a blackhole, where all bitcoin transactions are lost and made impossible to track. This could lead to wasted processing power and doubled spending for miners. However, these concerns are coming from the lawyers and businessmen, not the engineers.

Engineers see this problem as a perfect example of why blockchain was designed the way it was. To them, repealing net neutrality regulations would invite the possibility of having to reposition themselves back onto an I2P network, like Kovri.

Net neutrality while it does embody the decentralization mantra of blockchainis far from a requirement for the functionality of blockchain. The future of the monetary system is a global currency free from human intervention. If Bitcoin fails to survive the coming storm, it would be because of structural errors not ISP intervention. In addition, if the ISPs start a war against blockchain and cryptocurrencies, the internet may experience an accelerated evolution of decentralization. In the context of blockchain and cryptocurrencies, net neutrality may be a blessing in disguise, forcing further development in the industry.

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What Does Net Neutrality Mean for the Future of Cryptocurrency? - Futurism