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Questions tagged [consensus-by-block]

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Can block validation be done using machine Learning Algorithms?

I am looking for a new era of products that leverages the potential of Machine Learning and the blockchain, Thinking of different aspects of Blockchain which can be improved with the help of machine ...
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0answers
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How a full node knows which chain to follow?

After Istanbul fork, my full node followed the longest chain which has: Longest Chain Highest TotalDifficulty It seems that the shorter chain of the core-dev closing the gap - total difficulty ...
3
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1answer
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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
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1answer
303 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
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1answer
270 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 ...