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A comment on MS Security Essentials reporting false positives in the Bitcoin blockchain. Parent comment

Re:MS Security Essentials reporting false positives in the B... by lifeisstillgood on Friday May 16, 2014 @04:37AM (#7754434)
Interesting - I have been meaning to look into how the blockchain works (I missed the get-rich-quick rush and dismissed it all until heard Andreessen explain the reasons)

Anyway - what does being a full node entail?

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Re:MS Security Essentials reporting false positives in the B... by jnbiche on Friday May 16, 2014 @07:17AM (#7754886)
Simply run bitcoin-qt or bitcoind all the time and make sure that you have port 8333 open to the outside world (if you have a router, this usually means forwarding 8333).

It takes a few hours to a half day for the node to catch up, depending on your bandwidth and CPU, but after that it requires relatively little processing time. But you do need ~20 GB of free hard drive space for the blockchain.

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