Peer To Peer Bitcoin - Questions

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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 total value of a hash.

Remember that ELI5 analogy, in which I wrote the number 19 on a piece of newspaper 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 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 the nonce is the key to generating these 64-bit hexadecimal numbers I keep talking about.

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The first miner whose nonce generates a hash that 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 can achieve the same goal by rolling a 16-sided die 64 days to Reach random numbers, but why on earth do you want to do this

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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 obstruct 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 they confirmed 1768 transactions for this cube. If you really want to see all 1768 of those transactions for this block, go to this page and scroll down to the heading"Transactions." .

There's no minimum goal, but there's a maximum goal determined 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'd have to get a fast mining rig or, more realistically, join a mining pool--a bunch of miners that combine their computing ability and divide the mined bitcoin. Mining pools are similar to people Powerball clubs whose members purchase 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.  best site You cannot guess 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 beneath the goal is 1 in 2,874,674,234,416--less than 1 in 2 trillion. .

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

Mining rewards are paid into the miner who discovers a solution to the puzzle first, and also the likelihood that a participant will be the one to find the solution is equal to the portion of the entire mining energy on the network.  Participants with a small percentage of their 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 couple thousand bucks would represent less than 0.001% of the network's mining energy.  With such a small chance at finding the next block, 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 recover their investment.  The answer to this problem 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 afternoon they activate their miner.  Statistics on some of the mining pools can be seen on Blockchain.info. .

Sure. As mentioned, the easiest way to acquire Bitcoin is to purchase it on an exchange such as Coinbase.com. Alternately, you can always 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 used for mining.

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

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