<p>In using the blockchain to timestamp the hash of a document, so to prove that it existed before a certain time.</p>

<p>Is it reliable? Do you think it can stand on court? (IANAL and probably you neither) What is the worst that can happen? For example, What if many nodes change their internal clocks to hack the median of the time.</p>

<blockchain><block><timestamp>
Is the block timestamp reliable enough to timestamp the hash of a document?
Victor
# Is the block timestamp reliable enough to timestamp the hash of a document?

(Asked by: username_0 on 2014-12-28)

In using the blockchain to timestamp the hash of a document, so to prove that it existed before a certain time.

Is it reliable? Do you think it can stand on court? (IANAL and probably you neither) What is the worst that can happen? For example, What if many nodes change their internal clocks to hack the median of the time.

**Tags:** blockchain, block, timestamp


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