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If you are mining Bitcoin, you do not need to calculate the total value of the 64-digit number (the hash). I repeat: You do not need to calculate the entire value of a hash.

Bear in Mind that ELI5 analogy, where I composed the number 19 on a piece of paper and put it in a sealed envelope

In Bitcoin mining terms, that metaphorical undisclosed number in the envelope is known as the target hash.

What miners are doing with these tremendous computers and dozens of cooling fans is guessing at the 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 also the nonce is the key to generating these 64-bit hexadecimal numbers I keep talking about.

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The primary miner whose nonce generates a hash which is less than or equivalent to the target hash is given credit for completing that obstruct, and is given the spoils of 12.5 BTC. .

In theory you can achieve the Exact Same aim by rolling a 16-sided die 64 times to Reach random numbers, but why on earth would you want to do that

The screenshot below, taken from the site Blockchain.info, might enable you to put all of this information together in a glance. You're looking at a list of everything which happened when obstruct #490163 was mined. The nonce that generated the "winning" hash was 731511405. The target hash is shown on top.

As you see here, their contribution into the Bitcoin community is that they confirmed 1768 transactions for this block. If you truly want to find all 1768 of those transactions for this block, then go to this webpage and scroll down to the heading"Transactions." .

There's no minimum target, but there's a maximum target set by the Bitcoin Protocol. No target check out here can be higher than this number:

Here are some examples of randomized hashes and also the criteria for if they will lead to success for the miner:

You'd need to get a speedy mining rig or, more realistically, join a mining pool--a group of miners that combine their computing power and split the mined bitcoin. Mining pools are somewhat comparable to people Powerball clubs whose members purchase lottery tickets en masse and agree to share any browse this site winnings. A disproportionately high number of cubes are mined by pools rather than by individual miners. .

In other words, it's literally only a numbers game.  You cannot imagine the pattern or make a prediction based on previous goal hashes. The difficulty level of the most recent block at the time of writing is 2,874,674,234,416, i.e. the chance of any given nonce producing a hash below the target is 1 in 2,874,674,234,416--less than 1 in two trillion. .

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The aforementioned website Cryptocompare offers a very helpful calculator that allows you to plug in numbers like your hash rate, power prices etc. to estimate the costs and benefits.

Mining benefits are paid to the miner who discovers a solution to the puzzle first, and the likelihood that a participant will be the one to find the solution is equal to the portion of the total mining power on the network.  Participants with a small percentage of their mining power stand a tiny chance of discovering the next block on their own.  For instance, a mining card that one could buy for a few thousand dollars would represent less than 0.001percent of the network's mining power.  With such a small chance at finding the next block, it might be a long time before that miner finds a block, and also the difficulty going up makes things even worse.  The miner may never recover 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 amongst participants, miners can find a steady stream of bitcoin starting the day they activate their miner.  Statistics on a few of the mining pools can look at here be seen on Blockchain.info. .

Sure. As discussed, the easiest way to get Bitcoin is to purchase it on an exchange like Coinbase.com. Alternately, you can always leverage the"pickaxe plan". This is based on the old saw that during the 1848 California gold rush, the smart investment was not to pan for gold, but instead to create the pickaxes used for mining.

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In a crypto context, the pickaxe equivalent would be a company that manufactures equpiment used for Bitcoin mining. You can look into companies that make ASICs miners or GPU miners. .