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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
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 ... How Bitcoin Mining Works. Before you start mining Bitcoin, it's useful to understand what Bitcoin mining really means. Bitcoin mining is legal and is accomplished by running SHA256 double round hash verification processes in order to validate Bitcoin transactions and provide the requisite security for the public ledger of the Bitcoin network. 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. The Bitcoin.com mining pool has the lowest share reject rate (0.15%) we've ever seen. Other pools have over 0.30% rejected shares. Furthermore, the Bitcoin.com pool has a super responsive and reliable support team. 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.
"How Bitcoin Mining Works?" - Andreas Antonopoulos - YouTube
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... Today I show you how to mine the worlds #1 cryptocurrency - Bitcoin. Mining bitcoin is actually incredibly easy. This tutorial will tell you everything there... 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 ... 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...