BTCUSD is approaching our first resistance at 6519.3 (horizontal overlap resistance, 100% Fibonacci extension, 61.8% Fibonacci retracement) where a strong drop might occur below this level pushing price down to our major support at 6438.5 (horizontal swing low support, 100% Fibonacci extension, 50% Fibonacci retracement). Stochastic (55,5,3) is also approaching ...
This bizarre process might not seem like it would need that much electricity—and in the early years, it didn’t. When he first started in 2012, Carlson was mining bitcoin on his gaming computer, and even when he built his first real dedicated mining rig, that machine used maybe 1,200 watts—about as much as a hairdryer or a microwave oven. Even with Seattle’s electricity prices, Carlson was spending around $2 per bitcoin, which was then selling for around $12. In fact, Carlson was making such a nice profit that he began to dream about running a bunch of servers and making some serious money. He wasn’t alone. Across the expanding bitcoin universe, lots of miners were thinking about scaling up, turning their basements and spare bedrooms into jury-rigged data centers. But most of these people were thinking small, like maybe 10 kilowatts, about what four normal households might use. Carlson’s idea was to leapfrog the basement phase and go right to a commercial-scale bitcoin mine that was huge: 1,000 kilowatts. “I started to have this dream, that I was posting on online forums, ‘I think I could build the first megawatt-scale mine.’”
The decentralized and transparent nature is what makes blockchain highly secure and almost impossible to hack, because a hack to one ledger would cause a discrepancy in the entire network that will be ignored. Functionally, to hack the ledger one would have to hack all the computers on a network at the exact same time in order to change the “average”. For a currency like bitcoin, this would mean millions of computers. So the larger the network, the more stable the currency.
Ethereum offers a decentralized platform to build dApps, run smart contracts and generally act as a supercomputer. Its platform aims to be censorship-resistant and open for all Algo. score rating 4.1/5 (#24) 100% OPEN CHANNELS 63% TEAM STRENGTH 78% PRODUCT STRENGTH 100% GITHUB ACTIVITY 78% COIN STRENGTH 100% BRAND AWARENESS See attached report for complete in-depth insights.

The latest update to the CryptoNight AMD GPU miner SRBMiner to version 1.7.0 brings improved hashrate in a number of the supported mining algorithms of up to about 10% depending on your GPU (most gains on VEGA) for the BitTube, Haven, Heavy and Italo algorithms as well as some small speed increase on CryptoNight V8 for VEGA GPUs. It also comes with support for a new mining algorithms – CN-Dark [CryoNote] and CN-Fest [Festival coin]. Do note that the developer fee is now ~0.85% for both normal mode and algorithm switching mode in the new version. There are also a number of other fixes and improvements, you can find the full changelog for the latest update below.

Coinbase does not charge to transfer bitcoin from one user to the other, which is the point of blockchain. But if you want to transfer money to or from an outside exchange, such as a US bank account, Coinbase charges a small conversion fee. The charge is 1.49% with a $0.15 minimum if you are using a bank account and 3.99% if you are using a credit/debit card. I’d try to avoid funding with a credit card unless you get ample reward points to offset the higher fees.
Since these blocks are heavily encrypted, they're sort of like complicated math puzzles that only powerful compute-capable hardware can solve. Enter your CPU, or your Radeon and GeForce graphics cards. The process of solving the math puzzles on these blocks and adding them to the public blockchain (think of it as a ledger) is roughy what mining is.

Kraken works well through SEPA, has an easy verification process (expect 4-6 weeks vetting with current backlog) compared to Bitstamp, and is very knowledgeable when it come to cryptography and security. As of early 2017, this platform has been re-positioning themselves as a crypto exchange by adding multiple new altcoins. I've written an in-depth Kraken review with everything you need to know..
Despite the fallout from The DAO hack, Ethereum is moving forward and looking to a bright future. By providing a user-friendly platform that enables people to harness the power of blockchain technology, Ethereum is speeding up the decentralization of the world economy. Decentralized applications have the potential to profoundly disrupt hundreds of industries including finance, real estate, academia, insurance, healthcare and the public sector amongst many others.

Speaking of the personal information, you need to know about a certain KYC and AML requirement before signing up. According to some recent regulatory frameworks, the governments have asked Bitcoin exchanges to follow certain identification procedures (just like those practiced by banks) where a user is required to submit their confidential information. These measures are taken to ensure that users do not use Bitcoin for anti-social activities such as money laundering, funding terrorism, drug trafficking, etc.
Gang Up: You can also join a mining pool. These Internet-connected computer clusters break the work of a block into pieces that are shared among the group. Once the block is decrypted, the resulting Bitcoin is doled out according to how much work your rig contributed. There are a number of variations to this basic model, however, depending on how the pool is set up. has an expansive listing of popular mining pools with explanations of how each operates, pays out, and taxes users for their participation.

No. According to the terms agreed by all parties on the 2014 presale, issuance of ether is capped at 18 million ether per year (this number equals 25% of the initial supply). This means that while the absolute issuance is fixed, the relative inflation is decreased every year. In theory, if this issuance was kept indefinitely then at some point the rate of new tokens created every year would reach the average amount lost yearly (by misuse, accidental key lost, the death of holders etc) and there would reach an equilibrium.
With a Google Doc, all parties have access to the same document at the same time, and the most up-to-date version of that document is always visible and editable to all parties. This real-time shared Google Doc is just like a distributed blockchain ledger. The “real version” of the transaction is verified by analyzing all the available blocks on multiple computers and taking “the average”.
There is ongoing research on how to use formal verification to express and prove non-trivial properties. A Microsoft Research report noted that writing solid smart contracts can be extremely difficult in practice, using The DAO hack to illustrate this problem. The report discussed tools that Microsoft had developed for verifying contracts, and noted that a large-scale analysis of published contracts is likely to uncover widespread vulnerabilities. The report also stated that it is possible to verify the equivalence of a Solidity program and the EVM code.[73]
Any new industry is full of scams and the Bitcoin and Crypto industry is no exception. From scam coins to mining rigs and contracts there are a multitude of methods to steal your hard earned cash and pull the wool over your eyes. So how do you identify a Bitcoin scam. Well it's really difficult for anyone to know and the scam artists are becoming more clever.
Coinexchange supports loads of altcoins, meaning that to buy cryptocurrency or cryptocurrencies is easy. Their stated goal is to provide traders with new ICOs, and a secure and safe exchange on which the altcoins available can be traded. Their 'About Us' section though, is lacking as it doesn't provide information about the platform’s licensing status or its history. Community chatter at Bitcoin Talk demonstrates people’s numbness to state a straightforward opinion about where to put this operation yet. That being said, the bitcoin exchange offers a highly accurate bitcoin exchange rate for every coin.
No Transaction Costs: All bitcoin transactions are digitally recorded on public networks without any involvement from banks or clearing agencies. Hence, there are usually no transaction costs involved in bitcoin, even for global transfers. Brokers pass these benefits to the clients by not imposing any deposit or withdrawal fee for bitcoin transactions. This improves trade profits.
A market order in this case would submit a buy order for XBT at the price of the lowest available sell order. Using the orderbook above, a market order for 0.5 XBT would purchase 0.5 XBT at $384.07 per XBT. If selling bitcoins, a market order would sell bitcoins for the highest available price based on the current buy orderbook—in this case $382.5.
While there will be significant volatility in the price and valuation of bitcoin over the coming years, I strongly believe it and the entire asset class of cryptocurrencies will become a core part of the financial system within 3 years or less. There is enormous risk in trading these assets—more so than gold, REITS and other commodities—but the global market capitalization of cryptocurrencies ($148 billion today) I expect to pass $1 trillion by 2019.
The development for the WildRig Multi AMD GPU miner continues with the latest 0.12.9 Beta bringing some more performance improvements for various supported algorithms on the table. It fixes the hashrate drops observed with X22i and adds performance improvements for that algorithm up to about 10% compared tot he 0.12.8 release that also brought some speed improvements for all algorithms. There is also a slight boost in performance for the X16r, X16s and X17 algorithms in the latest update.

Trading requires daily technical analysis and a sound understanding of trading platforms. I wouldn't recommend this unless you're experienced with eToro or an MT4 platform. That said, there are benefits to bitcoin trading. It gives you the option to quickly scale in and out of positions, and take profits at a desired price. When you trade bitcoin, you can take advantage of daily fluctuations in price. The CFD brokers used for trading are regulated, and your funds are arguably more secure than at an exchange like Coinbase. You will be charged spread (fee) on each trade, but you can execute a buy or sell order quicker. The biggest benefit to trading bitcoin is the limit - it's far easier to open a $100,000 position at a CFD broker than go through stringent checks and buy an equivalent amount on Coinbase.
Common sense doesn't apply for some traders. In October, Spatafora started trading bitcoin, litecoin and ethereum to learn about the market and understand whether any of the coins were undervalued. Instead, he found that many of the investors exhibited irrational exuberance in believing the virtual currencies would never stop their climb in the market.
Look at where BTC is — right back in the apex of the triangle. You can see that it has fallen exactly to my rising black trendline, just as I had warned in several of my last BTC posts. Remember, I told you all that "if the buyers don't buy, the sellers WILL sell." BTC has been destroyed by the 50 EMA, so the sharks came in for some easy money. During the selling, ...

Rodger Federer doesn’t step onto the tennis court without a clear trading strategy, and you shouldn’t start day trading bitcoin without one either. Some people seek the assistance of a bitcoin day trading bot, others rely on their own technical analysis and judgement. Nearly all bitcoin day trading tutorials will suggest you utilise price charts and have an effective money management strategy. This will help you keep losses at a minimum and profits high.
The largest potential for ‘’disruption’’ to the current status quo lies in taking a chunk out of the payment processors market. Visa and MasterCard are estimated to take a 2 to 3 percent cut of every card transaction. By using bitcoin instead, merchants stand to improve their bottom line by at least 2 percent. In addition, because bitcoin transactions are irreversible, there is no possibility for chargebacks and fraud. This reduces the costs of operation by another several percentage points.
While cryptocurrencies are digital currencies that are managed through advanced encryption techniques, many governments have taken a cautious approach toward them, fearing their lack of central control and the effects they could have on financial security.[81] Regulators in several countries have warned against cryptocurrency and some have taken concrete regulatory measures to dissuade users.[82] Additionally, many banks do not offer services for cryptocurrencies and can refuse to offer services to virtual-currency companies.[83] Gareth Murphy, a senior central banking officer has stated "widespread use [of cryptocurrency] would also make it more difficult for statistical agencies to gather data on economic activity, which are used by governments to steer the economy". He cautioned that virtual currencies pose a new challenge to central banks' control over the important functions of monetary and exchange rate policy.[84] While traditional financial products have strong consumer protections in place, there is no intermediary with the power to limit consumer losses if bitcoins are lost or stolen.[85] One of the features cryptocurrency lacks in comparison to credit cards, for example, is consumer protection against fraud, such as chargebacks.

Once again, Bitcoin is dangerously close to the local lows. Since June, we have many times seen that bulls stand up for protection of the benchmark of the cryptocurrency on the falls to around $6100. Meanwhile, reversals to decline on the BTCUSD pair are happening on low levels. Last week, the reach of just $6500 became a turning point to the next reversal. It ...

Bitstamp are big in Europe and, since 2011, have moved from Slovenia, and the United Kingdom in search of sound regulatory environments. Good volumes are available for larger trades. Well received by people using SEPA and credit cards. Both euro and US dollar deposits are accepted. I like Bitstamp because they really focus on being a pure bitcoin-only exchange (update: since 2017 Bitstamp have started adding popular cryptocoins). Please read my Bitstamp critique for analysis of factors such as security, fees, and the history.
The Ethereum network is kept running by computers all over the world. In order to reward the computational costs of both processing the contracts and securing the network, there is a reward that is given to the computer that was able to create the latest block on the chain. Every 15 seconds, on average, a new block is added to the blockchain with the latest transactions processed by the network and the computer that generated this block will be awarded 3 ether. Due to the nature of the algorithm for block generation, this process (generating a proof of work) is guaranteed to be random and rewards are given in proportion to the computational power of each machine.
Despite bringing a number of benefits, decentralized applications aren’t faultless. Because smart contract code is written by humans, smart contracts are only as good as the people who write them. Code bugs or oversights can lead to unintended adverse actions being taken. If a mistake in the code gets exploited, there is no efficient way in which an attack or exploitation can be stopped other than obtaining a network consensus and rewriting the underlying code. This goes against the essence of the blockchain which is meant to be immutable. Also, any action taken by a central party raises serious questions about the decentralized nature of an application.