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

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

In Bitcoin mining conditions, that metaphorical undisclosed number in the envelope is called the objective hash.

What miners are doing with these huge 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 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 awarded credit for completing that block, and is awarded the spoils of 12.5 BTC. .

In theory you can Attain the same aim by rolling a 16-sided expire 64 days to Reach random numbers, but why on earth would you want to do that

The screenshot below, taken from the website Blockchain.info, might help you put all this information together in a glance. You are looking at a list of everything which happened when block #490163 was mined. The nonce that generated the "winning" hash was 731511405. The goal hash is shown on the top.

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

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

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

You would have to find a speedy mining rig , more realistically, join a mining pool--a bunch of miners who combine their computing ability and divide the mined bitcoin. Mining pools are comparable to people Powerball clubs whose members purchase lottery tickets en masse and agree to discuss any winnings. A disproportionately large number of cubes are mined by pools rather than by individual miners. .

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

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The aforementioned site Cryptocompare offers a helpful calculator which permits you to plug in numbers such as your hash speed, power prices etc., to estimate the costs and benefits.

Mining benefits are paid to the miner who finds a solution to the puzzle , and also the probability that a participant will be the one to find the solution is equivalent to find here the portion of the entire mining energy on the network.  Participants which have 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 buy for a few thousand dollars would represent less than 0.001percent of their network's mining power.  With such a tiny chance at finding the next block, see post it could be a long time before that miner finds out a block, and also the problem 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 find a steady stream of bitcoin starting the afternoon they trigger their miner.  Statistics on some of the mining pools can be seen on Blockchain.info. .

Sure. As discussed, the easiest way to get Bitcoin is to buy it on an exchange such as 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 wise investment was not to pan for gold, but instead to make the pickaxes taken 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 which make ASICs miners or GPU miners. .