when under attack (when there are too many "successful" parties), in which case honest parties will prioritize the IDs with the highest tick numbers (so they will ignore adversaries that chose the golden ATX in this case)
...
There's a difference between a tick height of an ATX and a tick height of an identity. The ATX tick height is taken from the positioning ATX. The identity tick height is from the commitment ATX (which is only referenced in the very first ATX published by a given identity)
...
The idea is not very new (https://community.spacemesh.io/t/possible-dos-against-pops-vrf-beacon-and-mitigation/210) but I think the design decision was pretty recent
lrettig
commented
1 year ago
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excerpts from Tal:
when under attack (when there are too many "successful" parties), in which case honest parties will prioritize the IDs with the highest tick numbers (so they will ignore adversaries that chose the golden ATX in this case) ... There's a difference between a tick height of an ATX and a tick height of an identity. The ATX tick height is taken from the positioning ATX. The identity tick height is from the commitment ATX (which is only referenced in the very first ATX published by a given identity) ... The idea is not very new (https://community.spacemesh.io/t/possible-dos-against-pops-vrf-beacon-and-mitigation/210) but I think the design decision was pretty recent
apologies private thread https://spacemesh.slack.com/archives/C89QJJY3G/p1662563239803159
will update issue when spec'ed