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Slashing

Kusama

GRANDPA Equivocation and sysinfo Process Collection Results In Slashing on Kusama Network: a Post-Mortem.

Multiple bugs in code resulted in nodes dropping out from Kusama network and losing the database that stores which blocks they validated. Consequently, the same nodes double-signed those blocks on restart. The slashes caused by this issue have been reverted via Kusama Council motions.