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Why is the chain's liveness and resiliency to server failures dependent on where people happen to be keeping their validators? This isn't a problem in Ethereum
by jude- 5y ago
Why is the chain's liveness and resiliency to server failures dependent on where people happen to be keeping their validators? This isn't a problem in Ethereum 1.0.
- DennisP 5y agoI mean, if all the miners were on one datacenter and that datacenter went down, so would Ethereum 1.0. That's the same sort of failure you're worrying about for 2.0.
- jude- 5y agoA blockchain's resiliency in part depends on how many full replicas are available -- if at least one replica exists somewhere, the chain can be resuscitated even if all block producers die. In Ethereum 2.0, nodes don't maintain a full copy of the chainstate -- not even block producers do. Therefore, Ethereum 2.0's resiliency depends on the continued availability of N > 1 partial copies of the chainstate, such that the full chainstate can be reassembled from them. This is strictly less resilient.