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Results tagged with casper
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user 681
Casper is a security-deposit based economic consensus protocol.
2
votes
What signatures will be used for Casper bets?
We're planning on abstracting the validator's credential verification policy, actually, to be programmable, rather than forcing everyone to use EC crypto, for example.
The size of the signatures, ho …
- 356
5
votes
In Casper PoS, what is a finalised block?
This number very doesn't apply to Casper because it favours availability. …
- 356
1
vote
What is the network overhead of Casper?
BTW, I'm hoping that the latency will be ~4s in the first release of Casper, but to move to ~1s or ~0.5s ASAP. … Yes, it is possible - Casper can have arbitrarily low latency (to the first tx receipt, or "confirmation") if it can tolerate arbitrarily high overhead :P …
- 356
16
votes
Accepted
What is casper?
There are a number of reasons I much prefer Casper over PoW:
In PoW, any coalition of >50% (or 25-33% if selfish mining) can very profitably censor and revert history. … In Casper, it takes close to 100% of bonded validators to collude, to censor profitably. Additionally, finalized blocks cannot be reverted by any amount of byzantine behaviour. …
- 356
4
votes
How will the number of confirmations for security change with Casper?
In general, a "confirmation" of a transaction receipt is an economic assurance or "economic proof" that it is correct.
Casper's "confirmation" strategy is to provide transaction receipts that include …
- 356
6
votes
What is GHOST and what is its relationship to Frontier and Casper?
Casper began life as an adaptation of the principles of GHOST to security-deposit-based PoS. … Not very GHOSTy, but the name "Casper" has stuck, anyways. …
- 356