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Cardano Disaster Recovery Plan

May/2021, IOHK

The version of the Ouroboros protocol used in the current implementation of Cardano operates as expected (i.e., provides network-wide consistency and liveness) as long as two "disaster" events do not occur. These events are extremely unlikely to occur in the actual protocol deployment, but they may occur in standalone test deployments or under extremely unlikely real world circumstances (some examples are given below). This document describes these events in detail and the corresponding mitigating actions that need to be undertaken should they occur.