Warning: Unknown block versions are being mined! Unknown rules may be active

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1

Best regards. What's going on internally when I get this warning.

Warning: Unknown block versions are being mined! Unknown rules may be active

Bitcoin Core version v0.17.1 (64-bit)

Thank you

Oriebla

Posted 2019-04-03T01:04:09.893

Reputation: 103

Answers

9

This warning is currently benign and has been fixed for Bitcoin Core 0.18. You see it because miners are using the block version number for a mining optimization called ASICBOOST. However soft forks in the past have used the version number for readiness signalling. Bitcoin Core is seeing version numbers it is not expecting (due to ASICBOOST) and thus triggering the warning.

Andrew Chow

Posted 2019-04-03T01:04:09.893

Reputation: 40 910

Thank you very much for answering. You clarify the situation very well and give me peace of mind to continue contributing to the bitcoin network. – Oriebla – 2019-04-03T04:32:35.260

Asked: 2019-04-03T01:04:09.893

Viewed: 2 344 times

Active: 2019-07-14T18:46:01.043