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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. 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. Bitcoin mining is done by private computers. The role of miners is to secure the network and process each Bitcoin. Miners do this by solving a calculation problem that allows them to assemble the transaction blocks (hence bitcoin's famous blockchain). Miners for this service are rewarded with newly created Bitcoins and transaction fees. The Bitcoin mining operation is performed in an environmentally friendly way, protecting our planet, while still generating a healthy return to Bitway token holders. We stand for the distribution of 21m Bitway (WAY) tokens and have a long-term goal of creating a decentralized mining platform.
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... 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... Andreas Antonopoulos speaking about Bitcoin phenomenon and the Blockchain technology from the perspective of Bitcoin mining. Speech recorder at Massachusetts... 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... 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 ...