Use case for different IPNS Keys

[lidel]

You may want to be able to publish to the same IPNS address from different machines, each having its own IPFS node:

Can multiple nodes share the same peer id?

Duplicate of node identity is probably a bad idea, but if you reframe the question into “can I publish to the same IPNS key from multiple boxes?”, then it makes more sense. If you use dedicated key for that. (Someone may want to publish a static blog from home, and then from work laptop) I created PoC of publishing to the same PeerId from two different boxes some time ago: