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If you are 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 calculate the entire value of a hash.

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

In Bitcoin mining conditions, 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 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 also the nonce is the secret to generating these 64-bit hexadecimal numbers I keep talking about.

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

In theory you could achieve the same goal 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 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 goal hash is shown on top.

As you see here, their contribution to the Bitcoin community is that they confirmed 1768 transactions for this block. If you truly want to find all 1768 of these transactions for this block, then go to this webpage 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 greater than this number:

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

You'd need to get a fast mining rig or, more realistically, join a mining pool--a group of miners who combine their computing ability and divide 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 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 imagine 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 beneath the target is 1 in 2,874,674,234,416--significantly less this page than 1 in two trillion. .

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

Mining rewards are paid into the miner who discovers a solution to the puzzle , and the likelihood that a participant will be the one to discover the solution is equivalent to the portion of the total mining power on the network.  Participants which have a small percentage of the mining capability stand a very small chance of discovering the next block on their own.  For instance, a mining card that one could buy to get a couple thousand dollars would represent less than 0.001% of their network's mining power.  With such a small chance at finding the next block, it might be a long time before that Read More Here miner finds out a block, and 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 pool and sharing the payouts amongst participants, miners can find a steady flow of bitcoin starting the afternoon that they activate their miner.  Statistics on some of the mining pools can be seen on Blockchain.info. .

Sure. As mentioned, the simplest way to get 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 make the pickaxes taken for mining.

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