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Wednesday, November 15, 2017

In Bitcoin We Trust?

By Larry M. Elkin

By now you have probably heard of Bitcoin, but can you define it?

Most often it is described as a non-government digital currency. Bitcoin is also sometimes called a cybercurrency or, in a nod to its encrypted origins, a cryptocurrency. Those descriptions are accurate enough, but they miss the point. It's like describing the U.S. dollar as a green piece of paper with pictures on it.

I have my own ways of describing Bitcoin. I think of it as store credit without the store. A prepaid phone without the phone. Precious metal without the metal. Legal tender for no debts, public or private, unless the party to whom it is tendered wishes to accept it. An instrument backed by the full faith and credit only of its anonymous creators, in whom I therefore place no faith, and to whom I give no credit except for ingenuity.

I wouldn't touch a bitcoin with a 10-foot USB cable. But a fair number of people already have, and quite a few more soon may.

This is partly because entrepreneurs Cameron and Tyler Winklevoss, best known for their role in the origins of Facebook, are now seeking to use their technological savvy, and money, to bring Bitcoin into the mainstream.

The Winklevosses hope to start an exchange-traded fund for bitcoins. An ETF would make Bitcoin more widely available to investors who lack the technological know-how to purchase the digital currency directly. As of April, the Winklevosses are said to have held around 1 percent of all existent bitcoins.

Created in 2009 by an anonymous cryptographer, Bitcoin operates on the premise that anything, even intangible bits of code, can have value so long as enough people decide to treat it as valuable. Bitcoins exist only as digital representations and are not pegged to any traditional currency.

According to the Bitcoin website, "Bitcoin is designed around the idea of a new form of money that uses cryptography to control its creation and transactions, rather than relying on central authorities." (1) New bitcoins are "mined" by users who solve computer algorithms to discover virtual coins. Bitcoins' purported creators have said that the ultimate supply of bitcoins will be capped at 21 million.

While Bitcoin promotes itself as "a very secure and inexpensive way to handle payments," (2) in reality few businesses have made the move to accept bitcoins. Of those that have, a sizable number operate in the black market.

Bitcoins are traded anonymously over the Internet, without any participation on the part of established financial institutions. As of 2012, sales of drugs and other black-market goods accounted for an estimated 20 percent of exchanges from bitcoins to U.S. dollars on the main Bitcoin exchange, called Mt. Gox. The Drug Enforcement Agency recently conducted its first-ever Bitcoin seizure, after reportedly tying a transaction on the anonymous Bitcoin-only marketplace Silk Road to the sale of prescription and illegal drugs.

Some Bitcoin users have also suggested that the currency can serve as a means to avoid taxes. That may be true, but only in the sense that bitcoins aid illegal tax evasion, not in the sense that they actually serve any role in genuine tax planning. Under federal tax law, no cash needs to change hands in order for a taxable transaction to occur. Barter and other non-cash exchanges are still fully taxable. There is no reason that transactions involving bitcoins would be treated differently.

Outside of the criminal element, Bitcoin's main devotees are speculators, who have no intention of using bitcoins to buy anything. These investors are convinced that the limited supply of bitcoins will force their value to follow a continual upward trajectory.

Bitcoin has indeed seen some significant spikes in value. But it has also experienced major losses, including an 80 percent decline over 24 hours in April. At the start of this month, bitcoins were down to around $90, from a high of $266 before the April crash. They were trading near $97 earlier this week, according to mtgox.com.

The Winklevosses would make Bitcoin investing easier by allowing smaller-scale investors to profit, or lose, as the case may be, without the hassle of actually buying and storing the electronic coins. Despite claims of security, Bitcoin storage has proved problematic. In 2011, an attack on the Mt. Gox exchange forced it to temporarily shut down and caused the price of bitcoins to briefly fall to nearly zero. Since Bitcoin transactions are all anonymous, there is little chance of tracking down the culprits if you suddenly find your electronic wallet empty. If the Winklevosses get regulatory approval, their ETF would help shield investors from the threat of individual theft. The ETF, however, would do nothing to address the problem of volatility caused by large-scale thefts elsewhere in the Bitcoin market.

While Bitcoin comes wrapped in a high-tech veneer, this newest of currencies has a surprising amount in common with one of the oldest currencies: gold. Bitcoin's own vocabulary, particularly the term "mining," highlights this connection, and intentionally so. The mining process is designed to be difficult as a control on supply, mimicking the extraction of more conventional resources from the ground. Far from providing a sense of security, however, this rhetoric ought to serve as a word of caution.

Gold is an investment of last resort. It has little intrinsic value. It does not generate interest. But because its supply is finite, it is seen as being more stable than forms of money that can be printed at will.

The problem with gold is that it doesn't do anything. Since gold coins have fallen out of use, most of the world's gold now sits in the vaults of central banks and other financial institutions. As a result, gold has little connection to the real economy. That can seem like a good thing when the real economy feels like a scary place to be. But as soon as other attractive investment options appear, gold loses its shine. That is what we have seen with the recent declines in gold prices.

In their push to bring Bitcoin to the mainstream, its promoters have accepted, and, in some cases sought out, increased regulation. Last month Mt. Gox registered itself as a money services business with the Treasury Department's Financial Crimes Enforcement Network. It has also increased customer verification measures. The changes came in response to a March directive from Financial Crimes Enforcement Network clarifying the application of its rules to virtual currencies. The Winklevosses' proposed ETF would bring a new level of accountability.

In the end, however, I expect that Bitcoin will fade back into the shadows of the black market. Those who want a regulated, secure currency that they can use for legitimate business transactions will pick from one of the many currencies already sponsored by a national government equipped with ample resources, a real-world economy and far more transparency and security than the Bitcoin world can offer.

After the Bitcoin bubble bursts, we won't even be able to use the leftover coins for jewelry.

Souce:

1) Bitcoin, "About Bitcoin"

2) Bitcoin, "Bitcoin for Businesses"

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Introduction to Bitcoin

By Aaron David Brown

Bitcoin has been in the news the last couple of weeks, but a lot of people are still unaware of them. Could Bitcoin be the future of online currency? This is just one of the questions, frequently asked about Bitcoin.

How Does Bitcoin Work?

Bitcoin is a type of electronic currency (CryptoCurrency) that is autonomous from traditional banking and came into circulation in 2009. According to some of the top online traders, Bitcoin is considered as the best known digital currency that relies on computer networks to solve complex mathematical problems, in order to verify and record the details of each transaction made.

The Bitcoin exchange rate does not depend on the central bank and there is no single authority that governs the supply of CryptoCurrency. However, the Bitcoin price depends on the level of confidence its users have, as the more major companies accept Bitcoin as a method of payment, the more successful Bitcoin will become.

Benefits and Risks of Bitcoin

One of the benefits of Bitcoin is its low inflation risk. Traditional currencies suffer from inflation and they tend to lose their purchasing power each year, as governments continue to use quantative easing to stimulate the economy.

Bitcoin doesn't suffer from low inflation, because Bitcoin mining is limited to just 21 million units. That means the release of new Bitcoins is slowing down and the full amount will be mined out within the next couple of decades. Experts have predicted that the last Bitcoin will be mined by 2050.

Bitcoin has a low risk of collapse unlike traditional currencies that rely on governments. When currencies collapse, it leads to hyperinflation or the wipeout of one's savings in an instant.

Bitcoin exchange rate is not regulated by any government and is a digital currency available worldwide.

Bitcoin is easy to carry. A billion dollars in the Bitcoin can be stored on a memory stick and placed in one's pocket. It is that easy to transport Bitcoins compared to paper money.

One disadvantage of Bitcoin is its untraceable nature, as Governments and other organisations cannot trace the source of your funds and as such can attract some unscrupulous individuals.

How to Make Money with Bitcoin

Unlike other currencies, there are three ways to make money with Bitcoin, saving, trading and mining. Bitcoin can be traded on open markets, which means you can buy Bitcoin low and sell them high.

Volatility of Bitcoin

The value of Bitcoin dropped in recent weeks because of the abrupt stoppage of trading in Mt. Gox, which is the largest Bitcoin exchange in the world. According to unverified sources, trading was stopped due to malleability-related theft that was said to be worth more than 744,000. The incident has affected the confidence of the investors to the virtual currency.

According to Bitcoin chart, the Bitcoin exchange rate went up to more than $1,100 last December. That was when more people became aware about the digital currency, then the incident with Mt. Gox happened and it dropped to around $530.

In 2014, We expect exponential growth in the popularity of bitcoin around the world with both merchants and consumers,� Stephen Pair, BitPay's co-founder and CTO, “and anticipate seeing the biggest growth in China, India, Russia and South America.

India has already been cited as the next likely popular market that Bitcoin could move into. Africa could also benefit hugely from using BTC as a currency-of-exchange to get around not having a functioning central bank system or any other country that relies heavily on mobile payments. Bitcoin's expansion in 2014 will be led by Bitcoin ATMs, mobile apps and tools.

World Experiences Bitcoin

More people have accepted the use of Bitcoin and supporters hope that one day, the digital currency will be used by consumers for their online shopping and other electronic deals. Major companies have already accepted payments using the virtual currency. Some of the large firms include Fiverr, TigerDirect and Zynga, among others.

The Future of Bitcoin

Bitcoin works, but critics have said that the digital currency is not ready to be used by the mainstream because of its volatility. They also point to the hacking of the Bitcoin exchange in the past that has resulted in the loss of several millions of dollars.

Supporters of digital currencies have said that there are newer exchanges that are supervised by financial experts and venture capitalists. Experts added that there is still hope for the virtual currency system and the predicted growth is huge.

I hope this article has helped you all gain a much more clear understanding of Bitcoin, the potential, does Bitcoin work and how Bitcoins work. For more articles about Bitcoin, weekly trends, information and updates, subscribe to our blog post.

This Article was written by Aaron Brown CEO/Founder of Synergetic Society Media Group LLC

[Http://www.synergeticsociety.com]

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How to Buy Bitcoin - Step One

By Mark Andrew Norton

The best way to learn about bitcoin, is to jump in and get a few in your "pocket" to get a feel for how they work.

Despite the hype about how difficult and dangerous it can be, getting bitcoins is a lot easier and safer than you might think. In a lot of ways, it is probably easier than opening an account at a traditional bank. And, given what has been happening in the banking system, it is probably safer too.

There are a few things to learn: getting and using a software wallet, learning how to send and receive money, learning how to buy bitcoin from a person or an exchange.

Preparation

Before getting started, you will need to get yourself a wallet. You can do this easily enough by registering with one of the exchanges which will host wallet for you. And, although I think you are going to want to have one or more exchange wallets eventually, you should start with one on your own computer both to get a better feel for bitcoin and because the exchanges are still experimental themselves. When we get to that stage of the discussion, I will be advising that you get in the habit of moving your money and coins off the exchanges or diversifying across exchanges to keep your money safe.

What is a wallet?

It is a way to store your bitcoins. Specifically, it is software that has been designed to store bitcoin. It can be run on your desktop computer, laptop, mobile device (except, as yet, Apple) and can also be made to store bitcoins on things like thumb drives. If you are concerned about being hacked, then that is a good option. Even the Winklevoss* twins, who have millions invested in bitcoin, put their investment on hard drives which they then put into a safety deposit box.

*The Winklevoss twins are the ones who originally had the idea for a social networking site that became Facebook. They hired Mark Zuckerberg who took their idea as his own and became immensely rich.

What do you need to know about having a bitcoin wallet on your computer?

Below you can download the original bitcoin wallet, or client, in Windows or Mac format. These are not just wallets, but are in fact part of the bitcoin network. They will receive, store, and send your bitcoins. You can create one or more addresses with a click (an address is a number that looks like this: 1LyFcQatbg4BvT9gGTz6VdqqHKpPn5QBuk). You will see a field where you can copy and paste a number like this from a person you want to send money to and off it will go directly into that person's wallet. You can even create a QR code which will let someone take a picture with an app on their phone and send you some bitcoin. It is perfectly safe to give these out - the address and QR code are both for my donations page. Feel free to donate!

NOTE: This type of wallet acts both as a wallet for you and as part of the bitcoin system. The reason bitcoin works is that every transaction is broadcast and recorded as a number across the entire system (meaning that every transaction is confirmed and made irreversible by the network itself). Any computer with the right software can be part of that system, checking and supporting the network. This wallet serves as your personal wallet and also as a support for that system. Therefore, be aware that it will take up 8-9 gigabytes of your computer's memory. After you install the wallet, it will take as much as a day for the wallet to sync with the network. This is normal, does not harm your computer, and makes the system as a whole more secure, so it's a good idea.

Bitcoin Qt

  • The original wallet.
  • This is a full-featured wallet: create multiple addresses to receive bitcoins, send bitcoins easily, track transactions, and back up your wallet.
  • Outside of the time it takes to sync, this is a very easy to use option.
  • Search for Bitcoin Qt wallet download to find their site.

Armory

  • Runs on top of Bitcoi Qt, so it has all of the same syncing requirements.
  • Armory allows you to back up, encrypt, and the ability to store your bitcoins off line.
  • Search for Bitcoin Armory Wallet to find their site.

If you don't want to have that much memory used or don't want to wait for your wallet to sync, there are good wallets that do not make you sync the entire history of bitcocin:

Multibit

  • A lightweight wallet that syncs quickly. This is very good for new users.
  • Search for Bitcoin Multibit Wallet to find their site.

Electum

  • In addition to being quick and light, this wallet allows you to recover lost data using a passcode.
  • Search for Bitcoin Electum Wallet to find their site.

After you get the wallet set up, take a few minutes clicking around. Things to look for:

o There will be a page that shows you how many bitcoins are currently in your wallet. Keep in mind that bitcoins can be broken up into smaller pieces, so you may see a decimal with a lot of zeros after it. (Interesting note, 0.00000001 is one Satoshi, named after the pseudonymous creator of bitcoin).

o There will be an area showing what your recent transactions are.

o There will be an area where you can create an address and a QR code (like the one I have above). You don't need the QR code if you don't want it, but if you run a business and you want to accept bitcoin, then all you'll need to do to accept payment is to show someone the QR code, let them take a picture of it, and they will be able to send you some money. You will also be able to create as many addresses as you like, so if you want to track where the money is coming from, you could have a separately labeled address from each one of your payees.

o There will be an area with a box for you to paste a code when you want to send money to someone or to yourself on an exchange or different wallet.

There will be other options and features, but to start out with, these are the items that you should know about.

Getting Your First Bitcoins

Now that you have a wallet, you will, of course, want to test them out.

The very first place to go is http://faucet.bitcoin.st/.

This is a website that gives out small amounts of bitcoin for the purpose of getting people used to using them. The original version of this was run by the lead developer of bitcoin, Gavin Andreson. That site has since closed and this site operates by sending out one or two advertisements a month. You agree to receive those messages by requesting the bitcoins. Copy and paste your new bitcoin address and enter a phone number to which you can receive an SMS. They send out an SMS to be sure that people are not continuously coming back for more since it costs nothing to create a bitcoin address. They will also send out once or twice a month advertisement to support their operation. The amount they send it trivial: 0.0015 BTC (or 1.5 mBTC). However, they process almost immediately and you can check to see that your address and wallet are working. It is also quite a feeling to get that portion of a bitcoin. (Non-disclaimer: I have no connection with this site and receive nothing if you use them. I simply think they are a good way to get your feet wet).

Congratulations! You have just entered the bitcoin economy.

To get your feet a little wetter, you can go panning for gold. There are a number of services and websites out there that will pay you in bitcoin to do things like go to certain websites, fill out online surveys, or watch sponsored videos. These are harmless, and you can earn a few extra bitcoins this way, but it is important to remember that these are businesses that get paid when people click on the links on their sites. They are essentially kicking back a portion of what they get paid to you. There is nothing illegal, or even immoral about this (you might like what you see and make a purchase!), but they are frequently flashy and may not be completely straightforward. All the ones that I have tried (particularly bitvisitor.com) have paid out as advertised. It is interesting to experiment with these, but even with the likely rise in the value of bitcoin, you won't become a millionaire doing this. So, unless you are an advertisement junkie, I would recommend you move on. If you would like to try, simply Google "free bitcoins" or something along those lines and you will find numerous sites.

Buying Bitcoin Hand-to-Hand

Finally, this is going to be the real test of bitcoin. Can people easily trade them back and forth? If this can't happen, then there can't really be a bitcoin economy because retailers won't be able to use it. If retailers can't use it, what earthly good is it? Fortunately, this is not really a problem. iPhone is a bit of a hold out, but many smartphones have apps (mobile wallets) that will read QR codes and allow you to send bitcoin to whomever you want. You can also display a QR code of your address, or even carry a card in your wallet with your QR code to let people send bitcoin to you. Depending on what kind of wallet you have, you can then check to see if the bitcoins have been received.

A couple of things to note:

  • When you set up your wallet, if you click around a bit, you will see an option to pay a fee to speed transactions. This money becomes available to a bitcoin miner as he/she/they process bitcoin information. The miners doing the work of creating blocks of information keeps the system up to date and secure. The fee is an incentive to the miner to be sure to include your information in the next information block and therefore "verify" it. In the short term, miners are making most of their money by mining new coins (check the section on What Are Bitcoins for more information about this). In the long term, as it gets harder to find new coins, and as the economy increases, the fees will be an incentive for miners to keep creating more blocks and keep the economy going. Your wallet should be set to pay 0 fees as a default, but if you want, you can add a fee to prioritize your transactions. You are under no obligation to pay a fee, and many organizations that process many small transactions (like the ones that pan for gold described above) produce enough fees to keep the miners happy.
  • In clicking around your wallet, on the transactions page or linked to specific transactions, you will see a note about confirmations. When you make a transaction, that information is sent out into the network and the network will send back a confirmation that there is no double entry for that bitcoin. It is smart to wait until you get several confirmations before walking away from someone who has paid you. It is actually not very easy to scam someone hand-to-hand like this, and it is not very cost-effective for the criminal, but it can be done.

Where can you buy bitcoin like this?

  • You may have a bitcoin Meetup in your area.
  • You can check out localbitcoins.com to find people near you who are interested in buying or selling.
  • Some are trying to start up local street exchanges across the world. These are called Buttonwoods after the first street exchange established on Wall Street in 1792 under a buttonwood tree. See if there is one, or start one, in your area.
  • See if you have any friends who would like to try bitcoins out. Actually, the more people who start using bitcoin, the larger and more successful it will be come. So please tell two friends!

Some people ask if it is possible to buy physical bitcoins. The answer to this is both a yes and a no. Bitcoin, by its very nature, is a digital currency and has no physical form. However, there are a couple of ways that you can practically hold a bitcoin in your hands:

  • Cascascius Coins: These are the brainchild of Mike Caldwell. He mints physical coins and then embeds the private keys for the bitcoins inside them. You can get the private key by peeling a hologram from the coin which will then clearly show that the coin has been tampered with. Mike has gone out of his way to ensure that he can be trusted. These are a good investment strategy as in the years to come it may be that these coins are huge collector's items.
  • Paper Wallets: A paper wallet just means that rather than keeping the information for your bitcoin stored in a digital wallet, you print the key information off along with a private key and keep it safe in a safe, in a drawer, or in your mattress (if you like). This is highly recommended and cost effective system for keeping your bitcoin safe. Keep in mind, though, that someone could steal them or if your house burns, they will go with the house and there will be no way to get them back. Really, no different than cash. Also, as with Casascius Coins, they will not really be good for spending until you put them back into the computer.

* There is software to make printing your paper wallets easier. bitcoinpaperwallet.com is one of the best and includes a good tutorial about how to use them.

* The bitcoins are not actually in the wallet, they are still on the web. In fact, the outside of the wallet will have a QR code that will allow you ship coins to the wallet any time you like.

* The sealed part of the wallet will have the private key without which you cannot access the coins. Therefore, only put as many coins on the wallet as you want to be inaccessible. You will not be able to whip this thing out and take out a few coins to buy a cup of coffee. Rather, think of it as a piggy bank. To get the money, you have to smash it. It is possible to take out smaller amounts, but at this point the security of the wallet is compromised and it would be easier for someone to steal the coins. Better to have them all in or out.

* People who use paper wallets are usually security conscious, and there are a number of ways for the nefarious in the world to hack your computer. Bitcoinpaperwallet.com gives a lot of good advice about how to print your wallets securely.

Some people have also asked about buying bitcoins on eBay. Yes, it is possible, but they will be far overpriced. So, selling on eBay might seem to be a better option given the extreme markup over market value you might see. But, as with anything that is too good to be true, this is too good to be true. As I will explain in the next section, selling bitcoin this way is just way too risky.

How Not to Buy Bitcoin

In the next section, I am going to explain a couple of key points about buying from Bitcoin Exchanges. Before I do, let me give you a warning.

A short history lesson: When people first started setting up actual business based on bitcoin, they used all of the tools available to any merchant. They sold by credit card and PayPal. The problem with this business model was quickly spotted: bitcoin transactions are not reversible by anyone except the recipient of the money. Credit cards and PayPal have strong buyer protection policies that make it relatively easy for people to request a chargeback. So, nefarious individuals realized this and began making purchases of bitcoin and then sooner or later requesting a chargeback. And, since bitcoin is a non-physical product, sent by new and poorly understood technological means, the sellers were not able to contest this. Because of this, sellers stopped accepting credit cards and PayPal.

This was a big problem for the currency: How to move money between buyers and seller? Some business emerged that would credit you with bitcoin if you wired them money. Very often these businesses would give addresses in Albania, Poland, or Russia. The fact is that many of these did work and there are a lot of stories on the forums of people who bought bitcoins this way. But it took a lot of time and in the meantime the buyer just had to bite his or her fingernails wondering if they would get their bitcoins or kiss their investment goodbye.

I expect that as bitcoin becomes more acceptable and valuable, we are going to see a version of the Nigerian Prince scam. So the warning is this: we now have exchanges and other businesses that allow for moving money easily onto and off of exchanges. Never wire money for bitcoin. It was a short-lived, and well-forgotten, moment in the history of bitcoin.

Next, I will be talking about how to buy from a bitcoin exchange and give a review of the some of the best known exchanges.

Please visit http://www.bitcoinwarrior.net and join the conversation.

Article Source: http://EzineArticles.com/expert/Mark_Andrew_Norton/1615537
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Saturday, September 30, 2017

如何购买比特币

來自
 

每个人都很好奇什么比特币是什么,以及一个人如何获得它并花费它。比特币是世界上最有名和最大的数字货币,涉及市值和没有中介机构处理交易的市场份额。微软联合创始人比尔·盖茨对比特科有着很大的信心:“比特币是技术之旅。”
据诺贝尔和平奖提名人Leon Louw所说,每个知情人士至少需要了解比特币,因为它有可能成为世界上最重要的发展之一。
人们可以通过市场或通过交易所从其他比特币用户直接购买比特币,一个可以通过硬现金,信用卡或借记卡,电子电汇,其他加密货币,PayPal等为他们付费。
怎么可以买一个比特币?
获取比特币钱包
这是购买比特币的第一步,因为您需要一个地方存储,接收和发送您的比特币。不同的比特币钱包提供不同级别的安全性,您可以选择最适合您的交易的安全级别。最受欢迎的钱包选项是
•存储在计算机硬盘驱动器上的钱包软件
•基于网络的服务,是一个在线钱包
•包含使用许多不同键来保护帐户并保持您的比特币安全和脱机的多重钱包
下一步是为您的比特币钱包提供资金并开始下单。
哪里买比特币
你可以在Paxful买比特币。在这里,您可以兑换礼品卡的比特币,或使用其他方法来获得比特币。礼品卡是匿名完成的,扣除的百分比是基于卖家的。你可以检查最好的交易,但总体而言,这是获得比特币而不留下踪迹的最佳方式。