Raw Block Chain Data Files and Analysis

https://learnmeabitcoin.com/technical/blkdat
https://en.bitcoin.it/wiki/Bitcoin_Core_0.11_(ch_2):_Data_Storage
https://bitcoin.org/en/download
Bitcoin Core Linux Instructions
More Linux instructions
Initial Block Download (IBD)
https://github.com/blockninjas/sample-blk-files
https://bitcoin.stackexchange.com/questions/99200/download-blocks-in-blk00000-dat-format-from-a-specific-period
https://bitcoin.stackexchange.com/questions/799/can-i-download-the-whole-block-chain-from-somewhere/804

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https://github.com/mrqc/bitcoin-blk-file-reader
python analyze.py $HOME/.bitcoin/blocks/blk00000.dat

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Another parser: https://github.com/pldespaigne/blk_parser

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If you find a wallet.dat file:
https://steemit.com/bitcoin/@kiraxoy/cracking-bitcoin-core-wallet-dat-files br