Questions tagged [consensus-by-block]

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3
votes
1answer
409 views

Casper proposal mechanism

I do not understand how the proposal mechanism illutstrated here works. A proposal mechanism is a mechanism that proposes hashes, which the rest of the machinery with PREPARE and COMMIT messages ...
7
votes
1answer
301 views

In Casper, how can a block be finalized if previous blocks are unconfirmed?

As explained in an Ethereum blog post, one consequence of consensus-by-bet is that: a block can remain unconfirmed even when blocks after that block are completely finalized. The given example ...
9
votes
1answer
267 views

How is “by-block consensus” different from “ by-chain consensus”?

I see Vlad Zamfir was able to demonstrate by-block consensus has great merit to Vitalik. Is it better than by-chain consensus? What are the risks associated with developing by-block consensus into ...