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By design Bitcoin targets a block interval of 10 minutes.

How does the blockchain benefit from maintaining a bounded block time?

Murch
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stack acc
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    Does this answer your question? [Why was the target block time chosen to be 10 minutes?](https://bitcoin.stackexchange.com/questions/1863/why-was-the-target-block-time-chosen-to-be-10-minutes) – Ugam Kamat Dec 26 '19 at 11:46
  • I am more worried about why the time is fixed, not specifically why it is 10 min? – stack acc Dec 26 '19 at 12:21

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Block mining time is not fixed. 10 minutes is just average value which is aimed by difficulty adjustment algorithm to balance two contradicting requirements:

  1. low transaction time requires low block mining time.
  2. low probability to mine several different blocks simultaneously requires higher block mining time.
Denis Rozhnev
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