Is there a penalty for having two block-producing (BP) nodes in a pool that try to mint a block in the same slot? For example, I'd like to bring up a new BP node in another region, but that results in two serving BP nodes for a brief moment, and just maybe that moment just happens to be the leader slot for the pool. What's the worst case scenario under this condition?

1 Answer 1


There is no such penalty at the protocol level.

However, you will probably get called out on Twitter :)

  • Hi, thanks! Can you explain what actually happens in this scenario? My guess is that there's a "slot battle" but in this case the VRF key would be the same for both nodes, so I'm not sure how the protocol handles this situation.
    – ATDT
    Jun 17, 2021 at 20:39

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