The new galaxycash program has cookies at 300 seconds.
After some testing we found that the tracking servers sometimes get time missadjusted regardless of ntp daily timesync, so we decided to give 5 minutes for cookies to live and avoid some click misscount because a given server got it's clock a bit busy on a given day.
Since the program will be per click there is no need to keep the cookies more of the exactly strict time required to track the click. After that the affiliate gets the money in his account balance.
When my company was running "standard" paysites a couple of years ago the cookie time was set to 90 days if I don't mistake.
The 90 days mark was completely deliberated. Some antivirus and "privacy" software tend to delete cookies that live more than 90 days.
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