By design Bitcoin targets a block interval of 10 minutes.
How does the blockchain benefit from maintaining a bounded block time?
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3Does this answer your question? Why was the target block time chosen to be 10 minutes?– Ugam KamatCommented Dec 26, 2019 at 11:46
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I am more worried about why the time is fixed, not specifically why it is 10 min?– stack accCommented Dec 26, 2019 at 12:21
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1 Answer
Block mining time is not fixed. 10 minutes is just average value which is aimed by difficulty adjustment algorithm to balance two contradicting requirements:
- low transaction time requires low block mining time.
- low probability to mine several different blocks simultaneously requires higher block mining time.
