Some people were asking about storing seeds long term on here. I just germinated seeds of a strain I hunted down for a long time. Someone amazing helped me out and send me some. They are from 2010 and were stored in a freezer in a little plastic container with some cotton on top. All 5 seeds germinated within a day in paper towl and 2 of them already broke soil after planting.
this was the container with cotton:
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I also started a cross of that strain I was able to get from LouDog420. Those seeds are from 2011 and within 5 days 7/10 popped tails and I still give the last few some time. I will try to find out how he stored these.
To summarize, a decade seems to be no problem for seeds to survive if stored half way decent. Freezer definitely is a good way. Cotton seems to do the trick. Paper towl is a good way to keep old seeds moist and germ.