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Bitcoin mining: how is a block header of 80 bytes processed in SHA-256? Isn't it too big?
The whole process of bitcoin mining was making sense to me until a moment of madness an hour ago, if there is 80 bytes of data to be processed in SHA-256, that's 640 bits of data to be processed in SHA-256. In this 80 bytes we have: 4 bytes (version), previous block hash (32 bytes), merkle root (32 bytes), time (4 bytes), bits (4 bytes), nonce (4 bytes). I thought SHA-256 accepted 512 bits of data, so that's 64 bytes of data. And on top of that, I need to add the length of the data to be processed in the last 64 bits of this 512 bits input but 64 bytes is well over the limit. What am I missing here? Can someone help hear it up for me? Thanks
Bitcoin mining is the process by which new bitcoins are entered into circulation, but it is also a critical component of the maintenance and development of the blockchain ledger. The result of “bitcoin mining” is twofold. First, when computers solve these complex math problems on the Bitcoin network, they produce new bitcoin, not unlike when a mining operation extracts ... Free GPU Bitcoin Mining Software Solution. With Bitcoin, miners use specialist software to solve math problems and are issued a certain number of bitcoins in exchange. Free GPU Bitcoin & Ethereum cloud mining. Start mine daily free BTC and ETH to earn money without hardware. Start Free Bitcoin Mining with Freemining. Fast, Secure, user-friendly and high-speed bitcoin mining platform. You can review bitcoin payment proof in our payout section. Free bitcoin mining is the most popular way of making money and getting richer. Freemining uses the latest technology and mining hardware to providing bitcoin mining free. Bitcoin mining is the process of adding transaction records to Bitcoin's public ledger of past transactions or blockchain. This ledger of past transactions is called the block chain as it is a chain of blocks. The block chain serves to confirm transactions to the rest of the network as having taken place.
How does Bitcoin mining work? - BBC Newsnight - YouTube
David Grossman enters a cryptocurrency maze to find out how powerful computers mine digital currencies such as Bitcoin. Newsnight is the BBC's flagship news ... Andreas Antonopoulos speaking about Bitcoin phenomenon and the Blockchain technology from the perspective of Bitcoin mining. Speech recorder at Massachusetts... For more information: https://www.bitcoinmining.com and https://www.weusecoins.com What is Bitcoin Mining? Have you ever wondered how Bitcoin is generated? T... Start trading Bitcoin and cryptocurrency here: http://bit.ly/2Vptr2X IMPORTANT!! This method only illustrates how mining works. You will not make any money f... This video goes over my 7 day 1 week Bitcoin Mining experiment. I let my computer Mine for Bitcoin for a week straight, to see how much money I could generat...