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I have a machine with ~40GB in storage. The Bitcoin block chain is ~75GB in size, is there any chance to run bitcoind in my system? I mean, can I somehow skip downloading some part of the block chain?

Thanks in advance for any answers.

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You cannot skip downloading the blockchain, but you can skip storing it.

If you run Bitcoin Core with the -prune=N or put prune=N in the bitcoin.conf file, only at most N megabytes worth of blocks will be stored on disk. N has to be at least 550 currently.

Pruning does not reduce the validation or security at all, but does prevent your node from serving historical blocks to other peers.

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  • But are the latest blocks downloaded this way?
    – Kostas662
    Jun 21 '16 at 13:13
  • All blocks are still downloaded and verified like before. They're just not kept on your disk forever.
    – Pieter Wuille
    Jun 21 '16 at 14:08
  • @PieterWuille: Do you perhaps know the answer to this follow-up question? bitcoin.stackexchange.com/questions/52030/…
    – Murch ♦
    Mar 11 '17 at 11:53

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