Can proof of labor chain have finality

My understanding is finality is only a rule within the consensus that claims any block that will get buried X block deep will likely be thought-about unchangeable by the consensus. This has nothing to do with proof of stake, BFT, or any particular consensus mechanism.

So if my understanding is appropriate is it attainable to have a proof work chain that has finality?
In that case is there a proof of labor chain on the market that has an idea of finality.

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