#dusk $DUSK @Dusk
Read the consensus section of the whitepaper twice this week, back to back. But didn't anything new the first time.
Second pass, one thing I'd been getting wrong finally clicked.
I'd been treating “a block got voted through” and “a block IS final” as basically the same event. They're not. There's a gap between them, and that's where the interesting security thinking lives.
A block that clears validation and ratification becomes ATTESTED only if every earlier attempt at that round failed cleanly. Otherwise it's “accepted”, which is weaker. An accepted block can still, in theory, be replaced by a competing block from an earlier attempt. An attested one can't.
Then finality builds in stages.
An attested block becomes confirmed as later blocks build on it. An accepted block needs more confirmations to reach the same status, roughly twice the number of failed attempts behind it.
Only when a block is confirmed, and everything before it is also final, does it actually become final.
So “final” isn't one event that happens when a vote passes. It's a threshold crossed block by block, and how quickly you reach it depends partly on how clean the round was.
This is where staking loops back in.
Who gets selected to vote, and who has enough credits in a committee to influence a quorum, affects how cleanly rounds clear. A messy round doesn't just slow things down in some vague way. It pushes the finality timeline out in a literal, countable way.
Selection and finality aren't two unrelated mechanisms sitting next to each other in the whitepaper. One decides who votes. The other decides when their vote becomes unbreakable.
That's the part I find interesting.
And I've got two questions I'm genuinely curious about:
Does this staged finality create a meaningful window of risk in practice, or is it mostly a theoretical distinction?
And for regulated securities, is “final within a few blocks” actually good enough, or does real finance eventually demand something closer to instant finality?
Read the consensus section of the whitepaper twice this week, back to back. But didn't anything new the first time.
Second pass, one thing I'd been getting wrong finally clicked.
I'd been treating “a block got voted through” and “a block IS final” as basically the same event. They're not. There's a gap between them, and that's where the interesting security thinking lives.
A block that clears validation and ratification becomes ATTESTED only if every earlier attempt at that round failed cleanly. Otherwise it's “accepted”, which is weaker. An accepted block can still, in theory, be replaced by a competing block from an earlier attempt. An attested one can't.
Then finality builds in stages.
An attested block becomes confirmed as later blocks build on it. An accepted block needs more confirmations to reach the same status, roughly twice the number of failed attempts behind it.
Only when a block is confirmed, and everything before it is also final, does it actually become final.
So “final” isn't one event that happens when a vote passes. It's a threshold crossed block by block, and how quickly you reach it depends partly on how clean the round was.
This is where staking loops back in.
Who gets selected to vote, and who has enough credits in a committee to influence a quorum, affects how cleanly rounds clear. A messy round doesn't just slow things down in some vague way. It pushes the finality timeline out in a literal, countable way.
Selection and finality aren't two unrelated mechanisms sitting next to each other in the whitepaper. One decides who votes. The other decides when their vote becomes unbreakable.
That's the part I find interesting.
And I've got two questions I'm genuinely curious about:
Does this staged finality create a meaningful window of risk in practice, or is it mostly a theoretical distinction?
And for regulated securities, is “final within a few blocks” actually good enough, or does real finance eventually demand something closer to instant finality?