> If you introduce signing into mining, then you will have cases, where
> someone is powerful enough to produce blocks, but cannot, because signing
> is needed. Then, your consensus is no longer "the heaviest chain", but "the
> heaviest signed chain". That means, your computing power is no longer
> enough by itself (as today), because to make a block, you also need some
> kind of "permission to mine", because first you sign things (like in
> signet) and then you mine them. That kind of being "reliably unreliable"
> may be ok for testing, but not for the main network.


this is a really great point worth underscoring. this is the 'key
ingredient' for DCFMP, which is that there is no signing or other network
system that is 'in the way' of normal bitcoin mining, just an opt-in set of
rules for sharing the bounties of your block in exchange for future shares.