the ongoing superblock problems since >4 weeks:

• July 18: Gridcoin + its troublesome superblocks (in the last 4 weeks) (link downvoted)
• see here some effects (link downvoted)

affected BOINC projects:

• most affected: NumberFields, Rosetta, SETI

• Which BOINC projects were affected most by the "magnitude zero" events ? (link downvoted)