Successful Trader's Cheat Sheet
Give me the CHEAT SHEET!
Successful Trader's Cheat Sheet - NO

In May 2018, Bitcoin Gold (and two other cryptocurrencies) were hit by a successful 51% hashing attack by an unknown actor, in which exchanges lost estimated $18m.[citation needed] In June 2018, Korean exchange Coinrail was hacked, losing US$37 million worth of altcoin. Fear surrounding the hack was blamed for a $42 billion cryptocurrency market selloff.[72] On 9 July 2018 the exchange Bancor had $23.5 million in cryptocurrency stolen.[73]
There are also purely technical elements to consider. For example, technological advancement in cryptocurrencies such as bitcoin result in high up-front costs to miners in the form of specialized hardware and software.[87] Cryptocurrency transactions are normally irreversible after a number of blocks confirm the transaction. Additionally, cryptocurrency private keys can be permanently lost from local storage due to malware, data loss or the destruction of the physical media. This prevents the cryptocurrency from being spent, resulting in its effective removal from the markets.[88]

Cryptocurrencies hold the promise of making it easier to transfer funds directly between two parties in a transaction, without the need for a trusted third party such as a bank or credit card company; these transfers are facilitated through the use of public keys and private keys for security purposes. In modern cryptocurrency systems, a user's "wallet," or account address, has the public key, and the private key is used to sign transactions. Fund transfers are done with minimal processing fees, allowing users to avoid the steep fees charged by most banks and financial institutions for wire transfers.
The Forbes Advisor editorial team is independent and objective. To help support our reporting work, and to continue our ability to provide this content for free to our readers, we receive compensation from the companies that advertise on the Forbes Advisor site. This compensation comes from two main sources. First, we provide paid placements to advertisers to present their offers. The compensation we receive for those placements affects how and where advertisers’ offers appear on the site. This site does not include all companies or products available within the market. Second, we also include links to advertisers’ offers in some of our articles; these “affiliate links” may generate income for our site when you click on them. The compensation we receive from advertisers does not influence the recommendations or advice our editorial team provides in our articles or otherwise impact any of the editorial content on Forbes Advisor. While we work hard to provide accurate and up to date information that we think you will find relevant, Forbes Advisor does not and cannot guarantee that any information provided is complete and makes no representations or warranties in connection thereto, nor to the accuracy or applicability thereof.
Basically, cryptocurrencies are entries about token in decentralized consensus-databases. They are called CRYPTOcurrencies because the consensus-keeping process is secured by strong cryptography. Cryptocurrencies are built on cryptography. They are not secured by people or by trust, but by math. It is more probable that an asteroid falls on your house than that a bitcoin address is compromised.
When comparing money market mutual funds a few patterns arose. First, when it comes to expense ratios, or the annual fees you’ll pay to own the funds, 0.25% is a threshold that separates the top and bottom half of the money market mutual funds in my short list. When it comes to yields, 2.1% is a defining 7-Day Yield threshold. For YTD yields, 1.4% is a benchmark that separates the pack.
There are several different types of cryptocurrency wallets that cater for different needs. If your priority is privacy, you might want to opt for a paper or a hardware wallet. Those are the most secure ways of storing your crypto funds. There are also ‘cold’ (offline) wallets that are stored on your hard drive and online wallets, which can either be affiliated with exchanges or with independent platforms.
Please note that The Balance does not provide tax, investment, or financial services and advice. The information is being presented without consideration of the investment objectives, risk tolerance or financial circumstances of any specific investor and might not be suitable for all investors. Past performance is not indicative of future results. Investing involves risk including the possible loss of principal.
On 21 November 2017, the Tether cryptocurrency announced they were hacked, losing $31 million in USDT from their primary wallet.[71] The company has 'tagged' the stolen currency, hoping to 'lock' them in the hacker's wallet (making them unspendable). Tether indicates that it is building a new core for its primary wallet in response to the attack in order to prevent the stolen coins from being used.
It is important to note that, while money market funds are typically managed in a fairly safe manner, there would have been many more failures over this period if the companies offering the money market funds had not stepped in when necessary to support their fund (by way of infusing capital to reimburse security losses) and avoid having the funds break the buck. This was done because the expected cost to the business from allowing the fund value to drop—in lost customers and reputation—was greater than the amount needed to bail it out.[8]
Mutual funds offer baskets of these products to individual investors. The net asset value (NAV) of such funds is intended to stay at $1. During the 2008 financial crisis, one fund fell below that level. That triggered market panic and a mass exodus from the funds, which ultimately led to additional restrictions on their access to riskier investments.
The semi-anonymous nature of cryptocurrency transactions makes them well-suited for a host of nefarious activities, such as money laundering and tax evasion. However, cryptocurrency advocates often value the anonymity highly. Some cryptocurrencies are more private than others. Bitcoin, for instance, is a relatively poor choice for conducting illegal business online, and forensic analysis of bitcoin transactions has led authorities to arrest and prosecute criminals. More privacy-oriented coins do exist, such as Dash, ZCash, or Monero, which are far more difficult to trace.
The market of cryptocurrencies is fast and wild. Nearly every day new cryptocurrencies emerge, old die, early adopters get wealthy and investors lose money. Every cryptocurrency comes with a promise, mostly a big story to turn the world around. Few survive the first months, and most are pumped and dumped by speculators and live on as zombie coins until the last bagholder loses hope ever to see a return on his investment.
The “requesting a transaction” means you want to transfers some coins (let’s say bitcoin) to someone else. When you make the request the request is broadcasted to all the nodes. Then the nodes verify that (from all the history of transactions) you are not double spending your coins. When verified successfully the transaction is added in a block which is then mined by a miner. When the block is mined, your transaction is confirmed and the coins are transfered.
Mutual funds continue to be among the most popular investing tools for both individual and professional investors who seek to beat the market or simply access a broad swath of investments rather than purchase stocks or bonds individually. Unlike stocks or exchange-traded funds, mutual funds trade just once per day, and many investors own them as part of a defined contribution retirement plan such as a 401(k) or an individual retirement account, known as an IRA. The price of a mutual fund share is known as the fund's net asset value, or NAV.
If you happen to own a business and if you’re looking for potential new customers, accepting cryptocurrencies as a form of payment may be a solution for you. The interest in cryptocurrencies has never been higher and it’s only going to increase. Along with the growing interest, also grows the number of crypto-ATMs located around the world. Coin ATM Radar currently lists almost 1,800 ATMs in 58 countries.

The crisis, which eventually became the catalyst for the Emergency Economic Stabilization Act of 2008, almost developed into a run on money funds: the redemptions caused a drop in demand for commercial paper,[12] preventing companies from rolling over their short-term debt, potentially causing an acute liquidity crisis: if companies cannot issue new debt to repay maturing debt, and do not have cash on hand to pay it back, they will default on their obligations, and may have to file for bankruptcy. Thus there was concern that the run could cause extensive bankruptcies, a debt deflation spiral, and serious damage to the real economy, as in the Great Depression.[citation needed]
Generally, a high-rate money market account pays a higher APY than a checking account because banks can assume that your money will be in there for a longer period. Yes, you could withdraw from a money market account – just like you could in a checking account – but a money market account has built-in restrictions because its transactions are restricted under Regulation D. Unlike a checking account, money market accounts are limited to six “convenient” transfers and withdrawals per month. According to the Federal Reserve, these restricted transfers and withdrawals include transfers to another account to act as overdraft protection, direct bill payments, telephone transfers, withdrawals initiated by fax, computer, email or internet instruction, and transfers or withdrawals made by check, debit card or other similar method used to pay other third parties.
You don‘t need to understand the details about SHA 256. It‘s only important you know that it can be the basis of a cryptologic puzzle the miners compete to solve. After finding a solution, a miner can build a block and add it to the blockchain. As an incentive, he has the right to add a so-called coinbase transaction that gives him a specific number of Bitcoins. This is the only way to create valid Bitcoins.
While some mutual funds are index funds, which aim to track the performance of a specific market index, most are actively managed, meaning fund managers follow an investment strategy to buy and sell a variety of securities in an attempt to beat the market. There are funds that focus on nearly every part of the market, and buyers can invest in a variety of assets including equities, bonds, real estate and commodities.

If you happen to own a business and if you’re looking for potential new customers, accepting cryptocurrencies as a form of payment may be a solution for you. The interest in cryptocurrencies has never been higher and it’s only going to increase. Along with the growing interest, also grows the number of crypto-ATMs located around the world. Coin ATM Radar currently lists almost 1,800 ATMs in 58 countries.
It has come to the notice of authorities that many unregulated companies are using clone websites to target citizens and hence it has issued a warning to all traders not to deal with any unregulated companies and not to be lured by their false propaganda of unrealistic returns on investments, and not to fall in their trap. Their advertisements can be mouthwatering, but at the end of the day they will run off with your capital too. Thanks to recovery company they helped me recovery most of my lost funds, you can contact bitcoinrecoveryteam{@}yandex,ru and share the testimony they shouldn’t rip
As of May 2018, over 1,800 cryptocurrency specifications existed.[24] Within a cryptocurrency system, the safety, integrity and balance of ledgers is maintained by a community of mutually distrustful parties referred to as miners: who use their computers to help validate and timestamp transactions, adding them to the ledger in accordance with a particular timestamping scheme.[14]

  Assets are invested in any eligible U.S. dollar-denominated money market instruments as defined by applicable U.S. Securities and Exchange Commission regulations (Rule 2a-7 of the Investment Company Act of 1940), including all types listed above as well as commercial paper, certificates of deposit, corporate notes, and other private instruments from domestic and foreign issuers, as well as repurchase and potentially reverse repurchase agreements.
Institutional prime and institutional municipal money market mutual funds are funds that do not qualify as retail funds—i.e., they may be held by institutional investors. These funds are subject to potential liquidity fees and redemption gates, and will price and transact at a floating NAV (meaning that the NAV will be priced to 4 decimal places, e.g. $1.0000, and will experience fluctuations from time to time).
Both accounts give you easy access to your money and a competitive interest rate on your balance. Federal regulations limit the number of transactions (transfers or withdrawals) you can make from a Money Market Account to just six per monthly statement period. While you will receive checks and a debit card for those transactions, you won't have access to the free online bill pay service that comes with an Interest Checking Account. Remember, deposits are always unlimited and don't count towards your six transaction limit.
Generally, a high-rate money market account pays a higher APY than a checking account because banks can assume that your money will be in there for a longer period. Yes, you could withdraw from a money market account – just like you could in a checking account – but a money market account has built-in restrictions because its transactions are restricted under Regulation D. Unlike a checking account, money market accounts are limited to six “convenient” transfers and withdrawals per month. According to the Federal Reserve, these restricted transfers and withdrawals include transfers to another account to act as overdraft protection, direct bill payments, telephone transfers, withdrawals initiated by fax, computer, email or internet instruction, and transfers or withdrawals made by check, debit card or other similar method used to pay other third parties.
Mostly due to its revolutionary properties cryptocurrencies have become a success their inventor, Satoshi Nakamoto, didn‘t dare to dream of it. While every other attempt to create a digital cash system didn‘t attract a critical mass of users, Bitcoin had something that provoked enthusiasm and fascination. Sometimes it feels more like religion than technology.
1) Controlled supply: Most cryptocurrencies limit the supply of the tokens. In Bitcoin, the supply decreases in time and will reach its final number sometime around the year 2140. All cryptocurrencies control the supply of the token by a schedule written in the code. This means the monetary supply of a cryptocurrency in every given moment in the future can roughly be calculated today. There is no surprise.

In cryptocurrency networks, mining is a validation of transactions. For this effort, successful miners obtain new cryptocurrency as a reward. The reward decreases transaction fees by creating a complementary incentive to contribute to the processing power of the network. The rate of generating hashes, which validate any transaction, has been increased by the use of specialized machines such as FPGAs and ASICs running complex hashing algorithms like SHA-256 and Scrypt.[30] This arms race for cheaper-yet-efficient machines has been on since the day the first cryptocurrency, bitcoin, was introduced in 2009.[30] With more people venturing into the world of virtual currency, generating hashes for this validation has become far more complex over the years, with miners having to invest large sums of money on employing multiple high performance ASICs. Thus the value of the currency obtained for finding a hash often does not justify the amount of money spent on setting up the machines, the cooling facilities to overcome the enormous amount of heat they produce, and the electricity required to run them.[30][31]
While the country was once home to the world’s most active cryptocurrency exchanges, authorities banned the venues last year and have since moved to block access to platforms that offer exchange-like services. — Fortune, "China Is Said to be Cracking Down on a Cryptocurrency Loophole," 28 Feb. 2018 Bitcoin, however, has become the cryptocurrency standard operating much like U.S. dollar would operate in public currency markets, but in the crypto realm. — Michael C. Dealoia, cleveland.com, "Cleveland-area entrepreneurs are pouring resources into new-currency technolgoy: Tech Czar Talk," 25 Feb. 2018 Some companies, such as KODAK, have promoted cryptocurrency investments in hopes of reviving their flagging businesses. — Mike Rogoway, OregonLive.com, "SEC suspends trading in companies run by former Oregon football star over cryptocurrency 'concerns'," 16 Feb. 2018
The one and only, the first and most famous cryptocurrency. Bitcoin serves as a digital gold standard in the whole cryptocurrency-industry, is used as a global means of payment and is the de-facto currency of cyber-crime like darknet markets or ransomware. After seven years in existence, Bitcoin‘s price has increased from zero to more than 650 Dollar, and its transaction volume reached more than 200.000 daily transactions.
Perks: The minimum opening deposit is $25 for the Platinum Savings account. Wells Fargo’s bonus APY of 1.95 percent APY is competitive for a big brick-and-mortar bank. To earn this bonus APY, you’ll need to have your Platinum Savings account linked to a Portfolio by Wells Fargo relationship. You’ll also only earn this 12-month special interest rate if you deposit $25,000 or more from funds outside of Wells Fargo. This special rate offer is only available on aggregate balances up to $1 million.

Ryan Moran Net Worth


“While it’s still fairly new and unstable relative to the gold standard, cryptocurrency is definitely gaining traction and will most certainly have more normalized uses in the next few years. Right now, in particular, it’s increasing in popularity with the post-election market uncertainty. The key will be in making it easy for large-scale adoption (as with anything involving crypto) including developing safeguards and protections for buyers/investors. I expect that within two years, we’ll be in a place where people can shove their money under the virtual mattress through cryptocurrency, and they’ll know that wherever they go, that money will be there.” – Sarah Granger, Author, and Speaker. 
The Money Market enables the commercial banks to use their excess reserves in profitable investment. The main objective of the commercial banks is to earn income from its reserves as well as maintain liquidity to meet the uncertain cash demand of the depositors. In the money market, the excess reserves of the commercial banks are invested in near-money assets (e.g., short-term bills of exchange), which are easily converted into cash. Thus, commercial banks earn profits without sacrificing liquidity.

If you happen to own a business and if you’re looking for potential new customers, accepting cryptocurrencies as a form of payment may be a solution for you. The interest in cryptocurrencies has never been higher and it’s only going to increase. Along with the growing interest, also grows the number of crypto-ATMs located around the world. Coin ATM Radar currently lists almost 1,800 ATMs in 58 countries.
As major economies across the globe—including the U.S.—followed QE measures in the aftermaths of the 2008 financial crisis, a good portion of the QE money made its way into money market mutual funds as a haven. This migration of funds has led to interest rates remaining low for a long duration, and the diminishing of returns from money market funds.
*THE OPERATOR OF THIS WEB SITE IS NOT A LENDER, does not arrange, facilitate or broker loans to lenders and does not make short term cash loans or credit decisions. It is not an agent, representative, arranger, facilitator or broker of any lender and does not endorse any lender or charge you for any service or product. This Web Site does not constitute an offer or solicitation to lend. This site allows you to submit your information to a lender in order for a lender to determine if they may be able to offer you a short-term loan. However, providing your information on this Web Site does not mean that a lender will be able to work with you or that you will be approved for a short-term loan. Cash advances should only be used by you to solve immediate cash needs and should not be considered a long-term solution. Not all lenders can provide up to $2,500. Cash transfer times may vary between lenders and may depend on your individual financial institution. For details, questions or concerns regarding your short-term cash loan, please contact your lender directly. Lender services may not be available to residents of all states based on individual lender requirements. This service is not available in Connecticut. Furthermore, this service is not available in New York or to New York borrowers due to interest rate limits under New York law.
Properties of cryptocurrencies gave them popularity in applications such as a safe haven in banking crises and means of payment, which also led to the cryptocurrency use in controversial settings in the form of online black markets, such as Silk Road.[66] The original Silk Road was shut down in October 2013 and there have been two more versions in use since then. In the year following the initial shutdown of Silk Road, the number of prominent dark markets increased from four to twelve, while the amount of drug listings increased from 18,000 to 32,000.[66]
Like a traditional savings account, there's no set term for maturity with a money market account — you can park cash for an unlimited amount of time. But the way the institution can use your money is different from a savings account.Banks and credit unions can use the money deposited into money market accounts for low-risk investments, like certificates of deposit, Treasury notes and government-backed bonds. Institutions can mainly use the money deposited into traditional savings accounts for loans.
The first decentralized cryptocurrency, bitcoin, was created in 2009 by pseudonymous developer Satoshi Nakamoto. It used SHA-256, a cryptographic hash function, as its proof-of-work scheme.[14][15] In April 2011, Namecoin was created as an attempt at forming a decentralized DNS, which would make internet censorship very difficult. Soon after, in October 2011, Litecoin was released. It was the first successful cryptocurrency to use scrypt as its hash function instead of SHA-256. Another notable cryptocurrency, Peercoin was the first to use a proof-of-work/proof-of-stake hybrid.[16]
Generally, your money is protected and backed by the full faith and credit of the U.S. government if it’s within FDIC guidelines at a bank insured by the FDIC or at an NCUA credit union, which has the NCUSIF to insure accounts. But if you have money over the FDIC limit or funds that exceed the NCUSIF insurance limits, you could lose money if that financial institution fails. Both the FDIC and NCUA offer estimators to help you estimate whether your bank or credit union balances may be covered. Always double-check with the FDIC or NCUA and your financial institutions to confirm insurance coverage. You could lose money in a money market account if you don’t report an unauthorized transaction in a timely fashion. Generally, you have a window of 60 days after your statement was sent to tell your bank.
Central to the appeal and function of Bitcoin is the blockchain technology it uses to store an online ledger of all the transactions that have ever been conducted using bitcoins, providing a data structure for this ledger that is exposed to a limited threat from hackers and can be copied across all computers running Bitcoin software. Every new block generated must be verified by the ledgers of each user on the market, making it almost impossible to forge transaction histories. Many experts see this blockchain as having important uses in technologies such as online voting and crowdfunding, and major financial institutions such as JPMorgan Chase see potential in cryptocurrencies to lower transaction costs by making payment processing more efficient. However, because cryptocurrencies are virtual and do not have a central repository, a digital cryptocurrency balance can be wiped out by a computer crash if a backup copy of the holdings does not exist, or if somebody simply loses their private keys. At the same time, there is no central authority, government, or corporation that has access to your funds or your personal information.
One example might be when you have saved up a down payment for your first home and are simply waiting to find the perfect house. The stock market might be too risky since you want to buy the house soon and market volatility could eat up some of your investment. Yet the balance is large enough that you don’t want to miss out on earning interest by just having it sit in a conventional saving, or worse, checking account.
Disclaimer: NerdWallet strives to keep its information accurate and up to date. This information may be different than what you see when you visit a financial institution, service provider or specific product’s site. All financial products, shopping products and services are presented without warranty. When evaluating offers, please review the financial institution’s Terms and Conditions. Pre-qualified offers are not binding. If you find discrepancies with your credit score or information from your credit report, please contact TransUnion® directly.
As of February 2018, the Chinese Government halted trading of virtual currency, banned initial coin offerings and shut down mining. Some Chinese miners have since relocated to Canada.[32] One company is operating data centers for mining operations at Canadian oil and gas field sites, due to low gas prices.[33] In June 2018, Hydro Quebec proposed to the provincial government to allocate 500 MW to crypto companies for mining.[34] According to a February 2018 report from Fortune,[35] Iceland has become a haven for cryptocurrency miners in part because of its cheap electricity. Prices are contained because nearly all of the country's energy comes from renewable sources, prompting more mining companies to consider opening operations in Iceland.[citation needed]
Simply stated, a mutual fund is a term used to describe a type of fund set up that doesn't do anything other than owning investments. The fund's management company hires a portfolio manager for the fund, and pays him or her a management fee, which often ranges between 0.50% and 2.00% of the fund's assets. The portfolio manager invests the money raised by the fund according to the predefined strategy laid out in a document called the mutual fund prospectus.
There are several different types of cryptocurrency wallets that cater for different needs. If your priority is privacy, you might want to opt for a paper or a hardware wallet. Those are the most secure ways of storing your crypto funds. There are also ‘cold’ (offline) wallets that are stored on your hard drive and online wallets, which can either be affiliated with exchanges or with independent platforms.
1) Controlled supply: Most cryptocurrencies limit the supply of the tokens. In Bitcoin, the supply decreases in time and will reach its final number sometime around the year 2140. All cryptocurrencies control the supply of the token by a schedule written in the code. This means the monetary supply of a cryptocurrency in every given moment in the future can roughly be calculated today. There is no surprise.
Ultrashort bond funds are mutual funds, similar to money market funds, that, as the name implies, invest in bonds with extremely short maturities. Unlike money market funds, however, there are no restrictions on the quality of the investments they hold. Instead, ultrashort bond funds typically invest in riskier securities in order to increase their return. Since these high-risk securities can experience large swings in price or even default, ultrashort bond funds, unlike money market funds, do not seek to maintain a stable $1.00 NAV and may lose money or dip below the $1.00 mark in the short term.[22] Finally, because they invest in lower quality securities, ultrashort bond funds are more susceptible to adverse market conditions such as those brought on by the financial crisis of 2007–2010.
Paul Krugman, Nobel Memorial Prize in Economic Sciences winner does not like bitcoin, has repeated numerous times that it is a bubble that will not last[92] and links it to Tulip mania.[93] American business magnate Warren Buffett thinks that cryptocurrency will come to a bad ending.[94] In October 2017, BlackRock CEO Laurence D. Fink called bitcoin an 'index of money laundering'.[95] "Bitcoin just shows you how much demand for money laundering there is in the world," he said.
A second solution, more focused on money market funds directly, is to re-regulate them to address the common misunderstandings, and to ensure that money market "depositors", who enjoy greater interest rates, thoroughly understand the actual risk they are undertaking. These risks include substantial interconnectedness between and among money market participants, and various other substantial systemic risks factors.
Essentially, any cryptocurrency network is based on the absolute consensus of all the participants regarding the legitimacy of balances and transactions. If nodes of the network disagree on a single balance, the system would basically break. However, there are a lot of rules pre-built and programmed into the network that prevents this from happening.
A lot of concerns have been raised regarding cryptocurrencies’ decentralized nature and their ability to be used almost completely anonymously. The authorities all over the world are worried about the cryptocurrencies’ appeal to the traders of illegal goods and services. Moreover, they are worried about their use in money laundering and tax evasion schemes.
To realize digital cash you need a payment network with accounts, balances, and transaction. That‘s easy to understand. One major problem every payment network has to solve is to prevent the so-called double spending: to prevent that one entity spends the same amount twice. Usually, this is done by a central server who keeps record about the balances.
Disclaimer: NerdWallet strives to keep its information accurate and up to date. This information may be different than what you see when you visit a financial institution, service provider or specific product’s site. All financial products, shopping products and services are presented without warranty. When evaluating offers, please review the financial institution’s Terms and Conditions. Pre-qualified offers are not binding. If you find discrepancies with your credit score or information from your credit report, please contact TransUnion® directly.

In 1998, Wei Dai published a description of "b-money", characterized as an anonymous, distributed electronic cash system.[12] Shortly thereafter, Nick Szabo described bit gold.[13] Like bitcoin and other cryptocurrencies that would follow it, bit gold (not to be confused with the later gold-based exchange, BitGold) was described as an electronic currency system which required users to complete a proof of work function with solutions being cryptographically put together and published. A currency system based on a reusable proof of work was later created by Hal Finney who followed the work of Dai and Szabo.[citation needed]
Money market mutual funds own a well-diversified pool of high quality, short-dated, interest-paying securities, and pass along the income earned on those securities (after fees) to the funds’ shareholders. When the yields on the securities in which money market mutual funds invest are quite low, the yields that the funds are passing along to their shareholders are also quite low. The interest rate policy of the Federal Reserve (the Fed) is a key driver for money market rates.

If this sounds similar to banks’ high-yield savings accounts or money market accounts, it is. The largest difference lies in the ability for yields on money market mutual funds to rise proportionately with interest rates. For example, as interest rates have risen, the yields on most bank  money market accounts (which are set by the banks themselves) have stayed relatively flat, while money market mutual fund yields have increased.


^ Iansiti, Marco; Lakhani, Karim R. (January 2017). "The Truth About Blockchain". Harvard Business Review. Harvard University. Archived from the original on 18 January 2017. Retrieved 17 January 2017. The technology at the heart of bitcoin and other virtual currencies, blockchain is an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.