Just solved https://exploitzeroday.com/system/5djXvk/ for the first time but got the following message:
Because this was in a home cluster, your solution was worth 0 scryp.
Cracking the system: §195
Beating the system creator’s time: §24
Using fewer pings than the average: §24
This exceeds your previous reward for this system by §244. The difference has been credited to your account.