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Blockchain Definition | Investopedia

Blockchain Definition | Investopedia

Blockchain: The Backbone of Finance's Entire Future A block is the current part of a blockchain, which records some or all of the recent transactions. Once completed, a block goes into the blockchain as a permanent database. Each time a block gets completed, a new one is generated. There is a countless number of such blocks in the blockchain, connected to each other (like links in a chain) in proper linear, chronological order. Every block contains a hash of the previous block. The blockchain has complete information about different user addresses and their balances right from the genesis block to the most recently completed block. The blockchain was designed so these transactions are immutable, meaning they cannot be deleted. The blocks are added through cryptography, ensuring that they remain meddle-proof: The data can be distributed, but not copied. However, the ever-growing size of the blockchain is considered by some to be a problem, creating issues of storage and synchronization. The blockchain is perhaps the main technological innovation of Bitcoin. Bitcoin isnt regulated by a central authority. Instead, its users dictate and validate transactions when one person pays another for goods or services, eliminating the need for a third party to process or store payments. The completed transaction is publicly recorded into blocks and eventually into theblockchain, where its verified and relayed by other Bitcoin users. On average, a new block is appended to the blockchain every 10 minutes, through mining . Based on the Bitcoin protocol, the blockchain database is shared by all nodes participating in a system. Upon joining the network, each connected computer receives a copy of the blockchain, which has records, and stands as proof of, every transaction ever executed. I Continue reading >>

Riot Stock Price - Riot Blockchain Inc. Stock Quote (u.s.: Nasdaq) - Marketwatch

Riot Stock Price - Riot Blockchain Inc. Stock Quote (u.s.: Nasdaq) - Marketwatch

Goldman set to launch Bitcoin trading operation Inpixon: If This Sketchy Deal Is Legal The Public Markets May Be In Deep Trouble New decentralized crypto exchange off to fast start Bitcoin is greatest scam ever - Bill Harris Investors interested in trendy cryptocurrency- and blockchain-related stocks were paying close attention to Longfin Corp. (LFIN) on Tuesday morning after a judge apparently vacated a Temporary Restraining Order (TRO) that froze the assets of the controversial company. New York seeks information from crypto exchanges Bitcoin bottom is in, according to crypto hedge fund Soros to start trading cryptocurrencies - Bloomberg Bitcoin continues to slide as interest fades ICO volumes slowed less than expected in March The Bull Case for Overstock.com Inc Stock Has Taken a Huge Hit Analyst says that if Bitcoin takes out $10K, it could run to $15K SHAREHOLDER ALERT: Monteverde & Associates PC Launches An Investigation of the Board of Directors and Officers of Riot Blockchain, Inc. - RIOT Pre-Market Technical Scan on Biotech Equities -- Riot Blockchain, Sage Therapeutics, Sarepta Therapeutics, and Sierra Oncology The Do's And Don'ts of Investing in the Cryptocurrency Market Today's Research Reports on Trending Tickers: Bitcoin Investment Trust and Riot Blockchain Haeggquist & Eck, LLP Investigates Riot Blockchain, Inc. for Potential Misconduct Concerning Its Blockchain Operations The Klein Law Firm Reminds Investors of an Investigation Concerning Possible Violations of Federal Securities Laws by Riot Blockchain, Inc. (RIOT) Blockchain Applications and Industry Uses Exponentially Expand With Endless Possibilities The Klein Law Firm Notifies Investors of an Investigation Concerning Possible Violations of Federal Securities Laws by Riot Blockchain, Inc. Bitcoin or Continue reading >>

11 Hot Blockchain Technology Stocks To Watch

11 Hot Blockchain Technology Stocks To Watch

11 Hot Blockchain Technology Stocks To Watch Many top financial institutions, banks, and transportation companies have rapidly begun adopting blockchain technology faster than anticipated and it has become impossible to ignore its rise. Back in 2016, IBM (NYSE:IBM) issued a report estimating that 15 percent of all banks around the world will be using blockchain technology in 2017. By the year 2020, they suggested that around 66 percent of banks will have a commercial blockchain project implemented.This indicates that the market would increase at a compound annual growth rate (CAGR) of 61.5 percent, thus indicating plenty of investment opportunities within the blockchain market as it is rapidly expanding. However, the Global Blockchain Technology Market research report was a bit more conservative, projecting the CAGR growth rate at around 55.59 percent by 2021. The financial institutions and banks arent the only ones adopting the technology. Many government institutions are exploring how blockchain technology can be implemented in securing their election processes. Also, the major credit card company Capital One has partnered with Gem on a blockchain technology project to improve healthcare claims. To summarize, this is just the beginning of the adoption of this technology mainstream which presents for plentiful amounts of investment opportunities to be had within the blockchain industry. All numbers listed below are current as of December 15, 2017. The first stock on our list is based out of Vancouver, British Columbia, the BTL Group offers blockchain solutions for many different industries from fantasy sports leagues, to banks and even energy. This group uses a platform that enables money transfers with incorporated blockchain technology with smart contracts, named In Continue reading >>

Riot Blockchain Stock Falls 33% To Support After Cnbc Report

Riot Blockchain Stock Falls 33% To Support After Cnbc Report

Riot Blockchain Stock Falls 33% to Support After CNBC Report By Justin Kuepper | February 16, 2018 5:50 PM EST Riot Blockchain, Inc. ( RIOT ) shares fell more than 33% on Friday after a CNBC investigative report brought up concerns about equipment purchases, postponed annual meetings, insider selling, dilutive stock issuances at favorable terms to investorsand more. After the story was published, CEO John O'Rourke called the report a "negative one-sided piece" and highlighted the company's progress in building a diversified portfolio of investments. The stock has been popular among many active traders due to its high volatility stemming from its focus on cryptocurrencies and blockchain technologies. For their part, bitcoin prices rose to nearly $20,000 late last year before falling sharply to about $7,000 and rebounding to nearly $9,500 today. These prices have heavily influenced Riot Blockchain as well asother cryptocurrency and blockchain stockssuch as Eastman Kodak Company ( KODK ) and Overstock.com, Inc. ( OSTK ). (For more, see: Crypto Stocks Plummet as Currencies Sell Off .) From a technical standpoint, the stock fell to prior lows at around $10.00 before rebounding slightly by the end of the session. The relative strength index (RSI) fell to slightly oversold levels of 37.02, but the moving average convergence divergence (MACD) remains bearish. Of course, the overall trend has been largely bearish since late last year, when the stock fell from its all-time highs of nearly $47.00 to just $10.00 per share. Traders should watch for a breakdown from these key support levels to S1 support at $8.51. If these levels are breached, the next area of support lies at the S2 levels at around $3.26. If the stock rebounds from these levels, traders should watch for it to retes Continue reading >>

Forget Bitcoin. Here Come The Blockchain Etfs.

Forget Bitcoin. Here Come The Blockchain Etfs.

Related: Jamie Dimon regrets calling bitcoin a 'fraud' That edict does not apply to the new blockchain funds, though. Those ETFs don't own any bitcoin, ethereum, litecoin, ripple or any of the other numerous cyrptocurrencies out there. Instead, they are buying shares of companies that are embracing blockchain. Both funds own Overstock ( OSTK ), the online retailer, which has made a big push into blockchain through its Medici Ventures unit and tZero digital coin exchange. They also own IBM ( IBM ), which recently partnered with shipping giant Maersk to track and manage supply chains using blockchain technology. Intel ( INTC ), whose chips and software are used to encrypt cryptocurrency transactions, is a top holding in both ETFs, too. Each is betting on financial firms that could benefit from blockchain. The Reality Shares fund owns shares of Nasdaq ( NDAQ ) and Barclays ( BCS ) for example while the Amplify fund has stakes in Citigroup ( C ) and Goldman Sachs ( GS ). But there are some key differences between the two ETFs. Reality Shares is based on an index of blockchain-related companies that it recently launched with Nasdaq. That index -- and hence, the fund's holdings -- are rebalanced twice a year. The Amplify ETF, on the other hand, is actively managed and free to make changes to its holdings more frequently. Related: Why everyone is talking about Ripple Eric Ervin, CEO of Reality Shares, said his firm's ETF is taking a rigorous look at just how much exposure to the blockchain business a company has before adding it to the index and fund. "We're not going to accept Kodak just because it's suddenly decided to do something with blockchain," Ervin said. He said the company also doesn't own MoneyGram ( MGI ) in the fund, despite a recent partnership with Ripple , or Continue reading >>

Ibm: One Stock That Cryptocurrency Investors Are Overlooking | Money

Ibm: One Stock That Cryptocurrency Investors Are Overlooking | Money

International Business Machines is considered by many investors to be old tech a reputation reinforced by the fact that the technology services giant has posted only one quarter of revenue growth in the past five years . Big Blues stock has also been a big laggard in the market during this stretch, losing about one-fifth of its value at the same time tech shares in general have more than doubled in price. But dont be surprised if IBM catches investors off guard and starts to post exceptional returns in the coming years, riding a growth wave that could be generated by its market leading positions in two of the hottest trends of the new economy blockchain technology and the cloud. So far, Wall Street has largely ignored IBMs dominance in blockchain technology digitized public ledgers that record transactions and serve as the backbone of cryptocurrencies such as Bitcoin. This is ironic, because armchair speculators and cryptocurrency bulls have been willing to drive up the share prices of obscure, micro-cap companies that have morphed their business models from things like iced tea and animal care and biotechnology to include blockchain. Once the Bitcoin bubble bursts, though, market participants will likely come to their senses, with capital rotating into more potent long-term opportunities. IBM should thrive once that transition gets underway. Heres why: IBM is the no. #1 ranked leader in blockchain IBM was ranked the No. 1 leader in blockchain technology in a September survey of 400 executives, managers, and IT leaders by Juniper Research , a digital commerce and financial technology research firm. Of those businesses actively considering or in the process of deploying blockchain technology, IBM was ranked first by 43%, with Microsoft coming in a distant second at 20%. Continue reading >>

Once Sizzling Blockchain Stocks Start To Fizzle

Once Sizzling Blockchain Stocks Start To Fizzle

By Jonathan Berr MoneyWatch February 21, 2018, 5:00 AM Once sizzling blockchain stocks start to fizzle Long before Riot Blockchain ( RIOT ) made a name for itself for the meteoric rise of its stock price, it was a biotech company named Bioptix. That company had failed to obtain approval from the U.S. Food and Drug Administration for a blood-based appendicitis test and held patents on veterinary products. The money-losing company decided last year to enter the business of blockchain , the underlying technology in cryptocurrencies like bitcoin and ethereum, after it was presented with an opportunity to invest in the Canadian cryptocurrency exchange Coinsquare Ltd . It then changed its name to Riot Blockchain, the first Nasdaq-listed company to use the technology's name. "I feel obligated to state unequivocally that pivoting away from these legacy ventures to Riot Blockchain was the right course," wrote Chairman and CEO John O'Rourke in a letter to shareholders . "It is not uncommon for businesses to pivot and change their business strategy. Amazon started off selling books." Riot Blockchain decided to make an initial investment in Coinsquare at a $28 million valuation based on its management team and platform. O'Rourke said he's a believer in blockchain, having personally invested in bitcoin since 2012. Riot Blockchain's stock, like everything else associated with cryptocurrency, has been on a roller-coaster ride, surging nearly 300 percent over the past year including a 42 percent pullback over the past month. "We are proud of the value this has since generated for all legacy shareholders of Bioptix, as this investment alone is now worth close to double what the entire market cap of Bioptix was prior to the transition," O'Rourke wrote. "The management and board had no i Continue reading >>

8 Ways To Invest In Blockchain Without Buying Bitcoin

8 Ways To Invest In Blockchain Without Buying Bitcoin

8 Ways to Invest in Blockchain Without Buying Bitcoin 8 Ways to Invest in Blockchain Without Buying Bitcoin By James Brumley , Contributing Writer| February 13, 2018 Bitcoin, for better or worse, has been all the rage of late. Its breakneck 1,850% run in 2017 put the cryptocurrency on the map. In 2018, however, Bitcoin prices have been all over that map dishing out anguish for anyone whos not been on the right side of the wild swings. Most long-term-minded investors have avoided the cryptocurrency altogether, partially because digital currencies feel philosophically flawed, and partially because they wanted to steer clear of all the volatility. But theres still something compelling about the technology, even if a newcomer to cryptocurrencies cant quite articulate why they see a future for them. The key to navigating the volatility and looking past the noise? First and foremost, understand that Bitcoin (and other cryptocurrencies) isnt the same thing as blockchain . Blockchain is the underlying digital record system that makes Bitcoin work. It powers other digital currencies, too, and is being increasingly used in other ways, such as improving cloud storage or keeping track of legal documents. As such, blockchain should be around in the future even if Bitcoin itself falls off the radar. Heres a run-down of some of the top ways to invest in blockchain without directly exposing your portfolio to less predictable instruments like Bitcoin itself. These stocks and funds all have a stake in the future of blockchain, to varying degrees. 8 Ways to Invest in Blockchain Without Buying Bitcoin Many people know Overstock.com ( OSTK , $55.65) as an online retailer that got its start selling surplus inventory, but has expanded to new merchandise. What they might not know is that over Continue reading >>

Global Blockchain Announces 2-for-1 Stock Split

Global Blockchain Announces 2-for-1 Stock Split

Cautionary Note Regarding Forward-Looking Information This news release contains forward-looking information within the meaning of applicable securities laws. Generally, any statements that are not historical facts may contain forward-looking information, and forward-looking information can be identified by the use of forward-looking terminology such as plans, expects or does not expect, is expected, budget, scheduled, estimates, forecasts, intends, anticipates or does not anticipate, or believes, or variations of such words and phrases or indicates that certain actions, events or results may, could, would, might or will be taken, occur or be achieved. Forward-looking information includes, but is not limited to the Companys goal of streamlining the current arduous, lengthy and complicated process that interested investors need to undergo in order to gain exposure to the cryptocurrency space with a view to becoming the first vertically integrated originator and manager of top-tier blockchains and digital currencies. The Company has no assets and its business plan is purely conceptual in nature and there is no assurance that it will be implemented as set out herein, or at all. Forward-looking information is based on certain factors and assumptions the Company believes to be reasonable at the time such statements are made, including but not limited to: statements and expectations regarding the ability of the Company to (i) successfully engage senior management with appropriate industry experience and expertise, (ii) gain access to and acquire a basket of cryptocurrency assets and pre-ICO and ICO financings on favourable terms or at all, (iii) successfully create its own tokens and ICOs, and (iv) execute on future M&A opportunities in the cryptocurrency space; receipt of r Continue reading >>

Here's How 3 Big Companies Are Betting On A Blockchain Future

Here's How 3 Big Companies Are Betting On A Blockchain Future

Here's How 3 Big Companies Are Betting on a Blockchain Future What do an online retailer, a technology giant, and a money center bank have in common? Big bets on blockchain technology, of course! Blockchain technologies have the potential to change the world . A decentralized ledger of digital transactions and assets that's shared among many computers around the world will take friction out of the global economy, raise defenses against fraud, and reduce the number of middlemen in financial systems. All of that sounds exciting, but who wants to deal with the extreme volatility of bitcoin and other blockchain-based currencies? You're in luck. As it turns out, you can invest in a blockchain future without sinking your teeth into actual cryptocurrencies. Many well-known companies are betting on the blockchain by their own volition, so buying stock in these forward-thinking businesses is the next best thing to picking up your own basket of cryptocurrencies. E-commerce veteran Overstock.com ( NASDAQ:OSTK ) has been exploring the blockchain for years and was one of the first retailers anywhere to accept bitcoin as a form of payment. Some might say Overstock is taking this blockchain business too far, even. The company runs a blockchain-focused division known as Medici Ventures. Through this channel, Overstock has set up substantial ownership positions in several small blockchain businesses. Moreover, Medici has launched an asset trading platform known as tZero, where traditional stock certificates and other paperwork are replaced by Overstock's own blockchain platform. Going one large step further, Chairman Patrick Byrne recently said he is thinking about ditching the whole online retail business . After selling that operation to the highest bidder, Byrne could then turn Over Continue reading >>

Sec Approves Plan To Issue Stock Via Bitcoins Blockchain

Sec Approves Plan To Issue Stock Via Bitcoins Blockchain

SEC Approves Plan to Issue Stock Via Bitcoins Blockchain The Securities and Exchange Commission has approved a plan from online retailer Overstock.com to issue company stock via the Internet, signaling a significant shift in the way financial securities will be distributed and traded in the years to come. Over the past year, Overstock and its freethinking CEO , Patrick Byrne, have developed technology for issuingfinancial securities by way of the blockchain, the vast online ledger underpinning the bitcoin digital currency . The blockchain is essentially an enormous database that runs across a global network of independent computers. With bitcoin, this ledger tracks the exchange of money. But it can also track the exchange of anything else that holds value, including stocks, bonds, and other financial securities. Overstock has already used the blockchain to issue private bonds ,which did not require explicit regulatory approval. Now, the SEC has told the company it can issue public securities in much the same way. Such a system could eliminate the unnecessary middlemen who have traditionally controlled the market. Public documents filed by Overstock show that the SEC has approved an amended Form S-3 that would allow the company to issue public securities via blockchain-based technology, and Byrne plans to announce the news this evening at a bitcoin conference in San Diego. Its unclear when the company will actually issue a public security on the blockchain. You can assume its high on our list of priorities for 2016, Byrne tells WIRED. Overstock built its technology under the aegis of a subsidiary called T.com, and it plans to offer this cryptosecurity tech as a service to other businesses, so that they too can issue stock via the blockchain. Each business would need sep Continue reading >>

When It Comes To Blockchain Stocks, Its Best To Be Patient

When It Comes To Blockchain Stocks, Its Best To Be Patient

Home > Stock Picks > Hot Stocks > When It Comes to Blockchain Stocks, Its Best to Be Patient When It Comes to Blockchain Stocks, Its Best to Be Patient The real rally in blockchain stocks won't happen for a while... after the current bubble bursts The mainstream arrival of blockchain technology has created a rising tide that is lifting all boats.Very similar to the behavior the market witnessed during the dot-com bubble, companies are simply releasing press releases with the word blockchain and their stocks are going crazy. Some companies are adding blockchain to their name.Long Island Iced Tea Corp. has officially changed its name toLong Blockchain Corp (NASDAQ: LTEA ). The iced tea maker is now focusing on partnering with or investing in blockchain-related companies. Nothing has materialized so far (outside of the company raising some funds), and yet LTEA stock has tripled since the announcement. Some companies are saying they are exploring blockchain-related opportunities. Others are supporting blockchain technology within their existing business frameworks.Even some companies are scrapping their whole business model to focus on blockchain. Just look atOverstock.com Inc (NASDAQ: OSTK ),Riot Blockchain Inc (NASDAQ: RIOT ),Longfin Corp (NASDAQ: LFIN ) andPareteum Corp (NYSEAMERICAN: TEUM ). If a company even tangentially mentions blockchain, their stock takes off like a rocket ship. This is all too similar to the dot-com bubble of the 1990s. And I think this blockchain rally will end in a similar fashion: a big pop. By and large, Im wary of these blockchain stocks. Not because Im wary of blockchain technology. I think the decentralization themes underpinning blockchain technology are the building blocks of the future. These themes have a broad array of applications wh Continue reading >>

Blkcf Stock Price - Global Blockchain Technologies Corp. Stock Quote (u.s.: Otc) - Marketwatch

Blkcf Stock Price - Global Blockchain Technologies Corp. Stock Quote (u.s.: Otc) - Marketwatch

Cryptocurrencies eye 2nd straight positive week Crytocurrencies available on Seeking Alpha New York seeks information from crypto exchanges Bitcoin bottom is in, according to crypto hedge fund Ep. 59: Exposing The Supply Chain Security Nightmare Soros to start trading cryptocurrencies - Bloomberg Bitcoin continues to slide as interest fades ICO volumes slowed less than expected in March Another rough session for crypto brings Bitcoin down to $7.5K Sudden Push for Improved Blockchain Technology Jumps to the Forefront Blockchain Set to Disrupt Trillion-Dollar Freelance Job Market Cryptocurrency Mining Ventures Skyrocketing as Bitcoin Value Edges up This Week Cryptocurrency Mining on the Rise in Crypto-friendly Areas Supporting Large-scale Mining Operations Blockchain Powered Applications Continue to Climb for Growing Number of Industries The Do's And Don'ts of Investing in the Cryptocurrency Market Business Blockchain Technology Adoption Happening Faster Than Projected Data Shows Blockchain and Cryptocurrency Market Continues to Grow Global Cryptocurrency Markets Improve in February as Bitcoin Rises Again Cryptocurrency Mining Market Projected to Grow Why Rising Number of Industries Are Embracing Blockchain Technology Well Beyond Cryptocurrencies Total Cryptocurrency Market Capitalization Holds Above $400 Billion Blockchain Innovations Create New Synergies Blockchain Innovations Create New Synergies Continue reading >>

Forget Bitcoin, Bet On Blockchain With These New Etfs

Forget Bitcoin, Bet On Blockchain With These New Etfs

Forget Bitcoin, Bet on Blockchain With These New ETFs Hopes about a bitcoin ETF were downed by the U.S. Securities and Exchange Commission (SEC).A public letter written byDalia Blass, director at SEC's Division of Investment Management, in mid Jan stated that there are "significant investor protection issues that need to be examined before sponsors begin offering these funds to retail investors." Liquidity is another issue that needs to be scrutinized (read: No Bitcoin ETFs in 2018? ). Naturally, bitcoin enthusiasts will look for other ETF investing options that could offer ways to tap this ultra-popular cryptocurrency. Blockchain is such an option. As per a recent source, Blockchain, the renowned Bitcoin wallet provider , has partnered with SFOX to make it more convenient to buy and sell cryptocurrencies and digital assets. Overall, blockchain is a digital ledger with an incessantly increasing list of records, called blocks, that are designed to be resistant to modification . So, if investors are not getting a bitcoin ETF now, they can definitely be in touch with the concept through blockchain ETFs. And to invest in this technology, investors has moderate number of products. More recently, First Trust launched an ETF , namely First Trust Indxx Innovative Transaction & Process ETF LEGR that seeks to capture the performance of companies involved in blockchain technology. This fund seeks to track the Indxx Blockchain Index. The fund will invest at least 90% of its net assets (including investment borrowings) in common stocks and depositary receipts that comprise the index, which looks to add only companies that are strongly related to the use of blockchain technologies. The index held about 67 companies as of mid-January. Intel, NVIDIA and Micron Technology are top three Continue reading >>

11 Blockchain Technology Stocks

11 Blockchain Technology Stocks

Banks, financial institutions and many others are adopting blockchain technology faster than anticipated. INN takes a look at public companies taking advantage of this rapidly-growing sector. Its getting harder to ignore the fact that blockchain is on the rise, particularly as more banks and financial institutions are adopting the technology faster than anticipated. Case in point, IBM (NYSE: IBM ) released a report in 2016 suggesting that 15 percent of all banks will be using the technology in 2017. By 2020, the firm states that 66 percent of all banks will have blockchain in commercial production. On a broader scale, a Market and Markets report states thatthe blockchain technology market size will be worth 2.3 billion by 2021, increasing at a compound annual growth rate (CAGR) of 61.5 percent. In other words, theres room for plenty of opportunities for investors to benefit from in this excitingand expandingmarket. Global Blockchain Technology Markets research report is a little more conservative, projecting that blockchain technology will grow at a CAGR of 55.59 percent between 2017 and 2021. The banking and finance industriesarent the only ones adopting blockchain technology. For example, it has been used in securing elections , and big companies are also making the leap into blockchain; Capital One has confirmed a blockchain project, partnering with Gem on healthcare claims. Putting it simply, theres a wealth of opportunity to be had in the blockchain industry, and its only getting started. As such, here is a look at publicly-listed blockchain technology stocks for your consideration. All numbers below are current as of November 20, 2017 at market close. Market cap: $30.69 million; current share price: $0.27 The first on our blockchain technology stocks list is 360 Continue reading >>

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