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If you're 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 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 in the target hash. Miners create 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 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 equivalent to the target hash is given credit for completing that obstruct, and is awarded the spoils of 12.5 BTC. .

In theory you can achieve the Exact Same goal by rolling a 16-sided die 64 days 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 this information together in a glance. You're looking at a summary of everything that happened when obstruct #490163 was mined. The nonce that generated the "winning" hash was 731511405. The target 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 really want to find all 1768 of those transactions for this block, go to this webpage and scroll down to the heading"Transactions." .

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

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

You would have to find a fast mining rig , more realistically, join a mining pool--a group of miners that combine their computing power and split the mined bitcoin. Mining pools are somewhat similar to people Powerball clubs whose members buy lottery tickets en masse and consent to share 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 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 just 1 in 2,874,674,234,416--less than 1 in two trillion. .

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

Mining benefits are paid into the miner who discovers a solution to the puzzle first, and the probability that a participant is going to be the one to find the solution is equivalent to the portion of the entire mining energy 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 thousand dollars would represent less than 0.001% of the network's mining energy.  With such a tiny chance at finding the next block, it might 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 recover 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 swimming pool and sharing the payouts amongst participants, miners can find a steady flow of bitcoin starting the day they activate their miner.  Statistics on some of the mining pools can be seen on Blockchain.info. .

Sure. As discussed, the simplest way to acquire Bitcoin is to buy it on an exchange such as Coinbase.com. Alternately, you can always leverage the"pickaxe strategy". This is based see page on the old saw that during the 1848 California gold rush, the smart investment was not to pan for goldbut rather 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 which make ASICs miners or GPU miners. .