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If you're mining Bitcoin, you do not need to figure the entire value of that 64-digit number (the hash). I repeat: You do not need to figure the entire value of a hash.

Remember 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 those huge computers and dozens of cooling fans is guessing in the hash. Miners create these guesses by randomly generating as many"nonces" as possible, as fast as possible. A nonce is short for"number only used once," and also the nonce is the secret to generating these 64-bit hexadecimal numbers I keep talking about.

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

In theory you could achieve the same goal by rolling a 16-sided expire 64 days to Reach random numbers, but why on earth do you want to do this

The screenshot below, taken by 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 block 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 cube. If you really want to see all 1768 of these transactions for this block, go to this page and scroll down to the heading"Transactions." .

There is no minimum target, but there's a maximum goal set by the Bitcoin Protocol. No target can be greater than this number:

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

You would need to get a speedy mining rig , more realistically, join a mining pool--a bunch of miners that combine their computing ability and divide the mined bitcoin. Mining pools are somewhat comparable to people Powerball clubs whose members buy lottery tickets en masse and consent to discuss any winnings. A disproportionately high number of blocks are mined by pools rather than by individual miners. .

In other words, it is literally just a numbers game.  You cannot guess the pattern or make a prediction based on previous target 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 goal is just 1 in 2,874,674,234,416--less than 1 in two trillion. .

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The aforementioned site Cryptocompare delivers a helpful calculator that permits you to plug in numbers pop over to this site such as your hash rate, power costs etc., to gauge the costs and benefits.

Mining benefits are paid to the miner who finds a solution to the puzzle first, and the probability that a participant is going to be the one to find the solution is equal to the portion of the entire mining energy on the network.  Participants which have a small percentage of the mining capability stand a tiny chance of discovering the next block on their own.  For instance, a mining card that one could purchase for a few thousand bucks would represent less than 0.001% of the network's mining energy.  With such a tiny chance at finding the next block, it could be a long time before that miner finds a block, and also the difficulty going up makes things even worse.  The miner may never recoup their investment.  The answer to this predicament is mining pools.  Mining pools are run by third parties and coordinate groups of miners.  By working together in a pool and sharing the payouts amongst participants, miners can get a steady stream of bitcoin starting the day they trigger their miner.  Statistics on some of the mining pools can be seen on Blockchain.info. .

Sure. As mentioned, the simplest way to acquire Bitcoin is to purchase it on an exchange such as Coinbase.com. Alternately, you can consistently leverage the"pickaxe strategy". This is based on the old saw that during the 1848 California gold rush, the wise investment was not to pan for goldbut instead to create the pickaxes taken for mining.

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