bitcoin hash-algoritmin esimerkki

calculate the hash of the block with the smallest hash as of June 2011, Block 125552. Here is the same example in plain PHP without any optimization? S1 : (e rightrotate 14) xor (e rightrotate 18) xor (e rightrotate 41) s0 : (wi-15 rightrotate 1) xor (wi-15 rightrotate 8) xor (wi-15 rightshift 7) s1 : (wi-2 rightrotate 19) xor (wi-2 rightrotate 61) xor (wi-2 rightshift 6). Moreover, it is extremely unlikely for two people to have the same Merkle root because the first transaction in your block is a generation "sent" to one of your unique Bitcoin bitcoin bitcoin laskin addresses.

Hash, algorithm, bitcoin, wiki
Block hashing algorithm, bitcoin, wiki
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The header is built from the six fields described above, concatenated together as little-endian values in hex notation: import hashlib header_hex 01000000" " "c7f5d74d" "f2b9441a" "42a14695 header_bin header_code hex hash hash. The counter parameter is small at 32-bits so each time it wraps the extraNonce field must be incremented (or otherwise changed) to avoid repeating work. "Nonce" starts at 0 and is incremented for each hash. SHA-512 is a function of cryptographic algorithm. For example, if interpreted as a string and the lowest (or start of) the string address keeps lowest significant byte, it is little-endian.

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