Youtube mining bitcoins

youtube mining bitcoins

Cryptojackers figured out how to turn Google's DoubleClick ad service into a platform for secret cryptocurrency mining. YouTube is turning. My youtube channel got hacked for bitcoin mining or something. I wrote this from my backup account because the hijacker also locked access. Instead of finding a piece of gold or a diamond in the mine, you find a cryptocurrency.” After watching videos on YouTube and searching the. 01095 BTC TO USD Режим работы в атмосферу Франции, не. Вы окунётесь в атмосферу. Вы окунётесь в атмосферу Франции, не покидая Петербург молодых создателей современной фото. Режим работы в атмосферу.

In a video explaining the hack, MarcoStyle said his channel was compromised after he was tricked into clicking a malicious phishing link in an email. From there, hackers were able to reconfigure his channel as a "brand channel," enabling it to be managed by multiple other Google accounts. MarcoStyle said he thinks the hack could have been curtailed if YouTube required two-factor authentication for logins or to upload videos.

Sending malicious links in emails is one of the most common tactics employed by hackers. Check out: Personal Finance Insider's picks for best cryptocurrency exchanges. Keep reading. US Markets Loading H M S In the news. Aaron Holmes. Hackers appear to have taken over several big YouTube channels in recent weeks, changing the channels' names to topics like "SpaceX" or "Elon Musk" and promoting Bitcoin scams.

The hacked channels, some of which have tens or hundreds of thousands of subscribers, post videos urging people to send Bitcoin in order to be paid back double — a common scam tactic. It bears similarities to the tactics used by hackers who compromised hundreds of high-profile Twitter accounts last month. Unlike the Twitter hack, there's no evidence that hackers compromised YouTube's internal tools or systems — but the hacks keep compromising big channels.

Visit Business Insider's homepage for more stories. Loading Something is loading. The above ad was posted on Tuesday. Trend Micro said the campaign started January In an e-mail sent as this post was going live, a Google representative wrote:. We enforce our policies through a multi-layered detection system across our platforms which we update as new threats emerge. In this case, the ads were blocked in less than two hours and the malicious actors were quickly removed from our platforms. It wasn't clear what the representative meant when saying the ads were blocked in less than two hours.

Evidence supplied by Trend Micro and on social media showed various ads containing substantially the same JavaScript ran for as long as a week. The representative didn't respond to follow-up questions seeking a timeline of when the abusive ads started and ended. You must login or create an account to comment. Skip to main content Enlarge. Diego Betto. Email dan. Channel Ars Technica.

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Most nodes simply validate the authenticity of transactions, store the ledger, and pass on updates to other nodes again, updates take the form of new blocks added to the chain. However, a smaller group of nodes, called miners, compete to create new blocks. When miners create new blocks, they are effectively updating the state of ledger, or the 'truth' about who owns what.

Proof-of-Work mining helps to secure the Bitcoin network by requiring potential attackers to commit more resources to an attack than they could hope to gain from the attack itself. In other words, it ensures that attacking Bitcoin is a money-losing and very costly prospect, making it exceedingly unlikely to occur.

The process is summarized in the Bitcoin white paper :. To begin, miners are the ones who propose updates to the ledger and only miners who have successfully completed the Proof of Work are permitted to add a new block. This is coded into the Bitcoin protocol. Miners are free to select valid transactions from a pool of potential transactions that are broadcast to the network by nodes. Such transactions are collected into the 'mempool. This gives rise to the fee market, which helps to ensure the limited block space is used fairly and efficiently.

The first miner to complete the Proof of Work broadcasts her proposed new block to the wider network of nodes who then check to ensure that the block follows the rules of the protocol. The key rules here are 1 all transactions in the block are valid ie. If it does, nodes send it on to other nodes who complete the same process. In this way, the new block propagates across the network until it is widely accepted as the 'truth.

However, it can and regularly does happen that more than one miner completes the Proof of Work at almost the same time and simultaneously broadcasts his new block out to the network. Moreover, due to network delays and geographic separation, nodes may receive new proposed blocks at slightly different times.

Note that one miner's newly proposed block could be slightly different from another's. This is because, as mentioned, miners are the ones who choose which transactions to include in a block - and even though they tend to optimize for profitability, location and other factors introduce variation. When two miners send out different new blocks, competing versions of the 'truth' begin to propagate across the network. The network ultimately converges on the 'correct' version of the truth by selecting the chain that grows longer at faster rate.

Let's break down that last part. Imagine there are two competing chains. Statistically, one of the miners working on version A is likely to complete the Proof of Work first, broadcasting the new version out to the network. Since nodes always select for the longest chain, version A will quickly come to dominate the network. In fact, the probability that version B will grow faster vanishes exponentially with each additional block such that by the time six blocks have been added, it's a statistical impossibility.

For this reason, a transaction that has been confirmed in six blocks is, for most participants, considered to be set in stone. Note that a block which doesn't end up becoming part of the longest chain version B in our example above is known as an orphan block. It is estimated that such blocks are created between 1 and 3 times per day. Transactions that are included in an orphan block are not lost.

That's because if they weren't already included in the version that ends up being the longest chain, they'll end up being added to the next block of the longest chain. Bitcoin miners are awarded BTC when they find a random number that can only be generated by running the hashing algorithm over and over again. This process is analogous to a lottery where buying more tickets increases your chances of winning. By dedicating more computing power to the hashing algorithm, miners are effectively buying more lottery tickets.

The difficulty level for the Proof of Work algorithm is automatically adjusted every 2, blocks, or roughly every 2 weeks. Adjustments are made with the goal of keeping the mining of new blocks constant at 10 minutes per block. The difficulty adjustment factors in the total volume of computing power, or 'hashpower,' being applied to the hashing algorithm. As computing power is added, the difficulty is increased, making mining more difficult for everyone.

If computing power is removed, difficulty is reduced, making mining easier. Note that the difficult adjustment system makes bitcoin mining quite different from the mining of precious metals. If, for example, the price of gold rises, more miners are enticed to join the market. The addition of more gold miners will inevitably result in more gold produced. By forces of supply and demand, this will eventually lower the market price of gold. In Bitcoin's case, however, the volume of bitcoin produced minted is predetermined by the Bitcoin protocol ie.

Bitcoin mining is legal in most regions, including the US and Europe. In China the legal status of bitcoin mining is currently in a gray zone. Bitcoin mining is a highly competitive industry with narrow profit margins. The primary input is electricity, although significant upfront investments in hardware and facilities for housing the hardware are also required.

The key hardware involved is known as the Application Specific Integrated Circuit ASIC , which is a computing device specialized for running the Bitcoin hashing algorithm exclusively. Profitably relies mainly on consistent access to low-cost electricity applied to the most efficient ASIC hardware.

Bitcoin mining is a naturally equilibrating system. As the price of bitcoin rises, miner margins expand. This entices more miners to join the market. However, new entrants cause the difficulty of minting new blocks to increase. This requires all participants to expend more resources, thereby reducing profitability across the board. Sustained downturns in the price of bitcoin have historically resulted in a portion of miners quitting due to costs exceeding revenue.

In most cases, miners sell their earned bitcoins to cover the costs associated with mining. This process is also known as proof of work PoW. To begin mining is to start engaging in this proof-of-work activity to find the answer to the puzzle. No advanced math or computation is really involved. You may have heard that miners are solving difficult mathematical problems—that's true but not because the math itself is hard. What they're actually doing is trying to be the first miner to come up with a digit hexadecimal number a " hash " that is less than or equal to the target hash.

It's basically guesswork. So it is a matter of randomness, but with the total number of possible guesses for each of these problems numbering in the trillions, it's incredibly arduous work. And the number of possible solutions referred to as the level of mining difficulty only increases with each miner that joins the mining network. In order to solve a problem first, miners need a lot of computing power.

Aside from the short-term payoff of newly minted bitcoins, being a coin miner can also give you "voting" power when changes are proposed in the Bitcoin network protocol. In other words, miners have some degree of influence on the decision-making process for matters such as forking.

The more hash power you possess, the more votes you have to cast for such initiatives. The rewards for Bitcoin mining are reduced by half roughly every four years. When bitcoin was first mined in , mining one block would earn you 50 BTC. In , this was halved to 25 BTC. By , this was halved again to On May 11, , the reward halved again to 6. Not a bad incentive to solve that complex hash problem detailed above, it might seem. To keep track of precisely when these halvings will occur, you can consult the Bitcoin Clock , which updates this information in real time.

Interestingly, the market price of Bitcoin has, throughout its history, tended to correspond closely to the reduction of new coins entered into circulation. This lowering inflation rate increased scarcity and, historically, the price has risen with it. If you want to estimate how much bitcoin you could mine with your mining rig's hash rate, the site CryptoCompare offers a helpful calculator.

Other web resources offer similar tools. Although individuals were able to compete for blocks with a regular at-home personal computer early on in Bitcoin's history, this is no longer the case. The reason for this is that the difficulty of mining Bitcoin changes over time. In order to ensure the blockchain functions smoothly and can process and verify transactions, the Bitcoin network aims to have one block produced every 10 minutes or so.

However, if there are 1 million mining rigs competing to solve the hash problem, they'll likely reach a solution faster than a scenario in which 10 mining rigs are working on the same problem. For that reason, Bitcoin is designed to evaluate and adjust the difficulty of mining every 2, blocks, or roughly every two weeks. When there is more computing power collectively working to mine for bitcoins, the difficulty level of mining increases in order to keep block production at a stable rate.

Less computing power means the difficulty level decreases. At today's network size, a personal computer mining for bitcoin will almost certainly find nothing. All of this is to say that, in order to mine competitively, miners must now invest in powerful computer equipment like a graphics processing unit GPU or, more realistically, an application-specific integrated circuit ASIC.

Some miners—particularly Ethereum miners—buy individual graphics cards as a low-cost way to cobble together mining operations. Today, Bitcoin mining hardware is almost entirely made up of ASIC machines, which in this case, specifically do one thing and one thing only: Mine for bitcoins. Today's ASICs are many orders of magnitude more powerful than CPUs or GPUs and gain both more hashing power and energy efficiency every few months as new chips are developed and deployed.

Say I tell three friends that I'm thinking of a number between one and , and I write that number on a piece of paper and seal it in an envelope. My friends don't have to guess the exact number; they just have to be the first person to guess any number that is less than or equal to it. And there is no limit to how many guesses they get. Let's say I'm thinking of the number There is no "extra credit" for Friend B, even though B's answer was closer to the target answer of Now imagine that I pose the "guess what number I'm thinking of" question, but I'm not asking just three friends, and I'm not thinking of a number between 1 and Rather, I'm asking millions of would-be miners, and I'm thinking of a digit hexadecimal number.

Now you see that it's going to be extremely hard to guess the right answer. If B and C both answer simultaneously, then the system breaks down. In Bitcoin terms, simultaneous answers occur frequently, but at the end of the day, there can only be one winning answer. Typically, it is the miner who has done the most work or, in other words, the one that verifies the most transactions.

The losing block then becomes an " orphan block. Miners who successfully solve the hash problem but haven't verified the most transactions are not rewarded with bitcoin. Here is an example of such a number:. The number above has 64 digits.

Easy enough to understand so far. As you probably noticed, that number consists not just of numbers, but also letters of the alphabet. Why is that? To understand what these letters are doing in the middle of numbers, let's unpack the word "hexadecimal. The decimal system uses factors of as its base e. This, in turn, means that every digit of a multi-digit number has possibilities, zero through In computing, the decimal system is simplified to base 10, or zero through nine.

In a hexadecimal system, each digit has 16 possibilities. But our numeric system only offers 10 ways of representing numbers zero through nine. If you are mining Bitcoin, you do not need to calculate the total value of that digit number the hash. I repeat: You do not need to calculate the total value of a hash. Remember that analogy, in which the number 19 was written on a piece of paper and put in a sealed envelope? In Bitcoin mining terms, that metaphorical undisclosed number in the envelope is called the target hash.

What miners are doing with those huge computers and dozens of cooling fans is guessing at the target hash. Miners make these guesses by randomly generating as many " nonces " as possible, as quickly as possible. A nonce is short for "number only used once," and the nonce is the key to generating these bit hexadecimal numbers I keep mentioning. In Bitcoin mining, a nonce is 32 bits in size—much smaller than the hash, which is bits.

The first miner whose nonce generates a hash that is less than or equal to the target hash is awarded credit for completing that block and is awarded the spoils of 6. In theory, you could achieve the same goal by rolling a sided die 64 times to arrive at random numbers, but why on Earth would you want to do that? The screenshot below, taken from the site Blockchain.

You are looking at a summary of everything that happened when block No. The nonce that generated the "winning" hash was The target hash is shown on top. The term "Relayed by AntPool" refers to the fact that this particular block was completed by AntPool, one of the more successful mining pools more about mining pools below. As you see here, their contribution to the Bitcoin community is that they confirmed 1, transactions for this block.

If you really want to see all 1, of those transactions for this block, go to this page and scroll down to the Transactions section. Source : Blockchain. All target hashes begin with a string of leading zeroes. There is no minimum target, but there is a maximum target set by the Bitcoin Protocol. No target can be greater than this number:.

The winning hash for a bitcoin miner is one that has at least the minimum number of leading zeroes defined by the mining difficulty. Here are some examples of randomized hashes and the criteria for whether they will lead to success for the miner:. To find such a hash value, you have to get a fast mining rig, or, more realistically, join a mining pool—a group of coin miners who combine their computing power and split the mined Bitcoin.

Mining pools are comparable to Powerball clubs whose members buy lottery tickets en masse and agree to share any winnings. A disproportionately large number of blocks are mined by pools rather than by individual miners. In other words, it's literally just a numbers game. You cannot guess the pattern or make a prediction based on previous target hashes. At today's difficulty levels, the odds of finding the winning value for a single hash is one in the tens of trillions.

Not great odds if you're working on your own, even with a tremendously powerful mining rig. Not only do miners have to factor in the costs associated with expensive equipment necessary to stand a chance of solving a hash problem, but they must also consider the significant amount of electrical power mining rigs utilize in generating vast quantities of nonces in search of the solution.

All told, Bitcoin mining is largely unprofitable for most individual miners as of this writing. The site CryptoCompare offers a helpful calculator that allows you to plug in numbers such as your hash speed and electricity costs to estimate the costs and benefits. Source : CryptoCompare. The miner who discovers a solution to the puzzle first receives the mining rewards, and the probability that a participant will be the one to discover the solution is equal to the proportion of the total mining power on the network.

Participants with a small percentage of the mining power stand a very small chance of discovering the next block on their own. For instance, a mining card that one could purchase for a couple of thousand dollars would represent less than 0. With such a small chance at finding the next block, it could be a long time before that miner finds a block, and the difficulty going up makes things even worse.

The miner may never recoup their investment. The answer to this problem is mining pools. Mining pools are operated by third parties and coordinate groups of miners. By working together in a pool and sharing the payouts among all participants, miners can get a steady flow of bitcoin starting the day they activate their miners. Statistics on some of the mining pools can be seen on Blockchain. As mentioned above, the easiest way to acquire Bitcoin is to simply buy it on one of the many Bitcoin exchanges.

Alternately, you can always leverage the "pickaxe strategy. To put it in modern terms, invest in the companies that manufacture those pickaxes. In a cryptocurrency context, the pickaxe equivalent would be a company that manufactures equipment used for Bitcoin mining. The risks of mining are often financial and regulatory. As aforementioned, Bitcoin mining, and mining in general, is a financial risk because one could go through all the effort of purchasing hundreds or thousands of dollars worth of mining equipment only to have no return on their investment.

That said, this risk can be mitigated by joining mining pools. If you are considering mining and live in an area where it is prohibited, you should reconsider. It may also be a good idea to research your country's regulation and overall sentiment toward cryptocurrency before investing in mining equipment. One additional potential risk from the growth of Bitcoin mining and other PoW systems as well is the increasing energy usage required by the computer systems running the mining algorithms.

Though microchip efficiency has increased dramatically for ASIC chips, the growth of the network itself is outpacing technological progress. As a result, there are concerns about Bitcoin mining's environmental impact and carbon footprint. There are, however, efforts to mitigate this negative externality by seeking cleaner and green energy sources for mining operations such as geothermal or solar sources , as well as utilizing carbon offset credits.

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