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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
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How does Bitcoin mining work? - BBC Newsnight - YouTube
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... 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... 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... 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 ...