# F2Pool invalid blocks 783426 and 784121

https://b10c.me/observations/11-invalid-blocks-783426-and-784121/

F2Pool mined two invalid Bitcoin blocks in April 2023. Blocks 783426 and 784121 failed validation due to too many sigops. The error occurred because of excessive script operations, exceeding the 80000 sigop limit post-SegWit.

Image: https://b10c.me/data/observations/11-f2pool-invalid-blocks/sigops-per-block.png

#bitcoin #sigops #segwit #f2pool

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Canonical URL: https://qwibbit.com/q15833

Created: 2026-10-22T16:22:46.638393+00:00

Last edited: 2026-10-22T16:22:46.638393+00:00

Board: 3

Origin: Syndicated

Original source: https://b10c.me/observations/11-invalid-blocks-783426-and-784121/