You should be fine. Flash memory can get corrupted and damaged from being rewritten too much but it usually takes a while, I think SD cards are supposed to be good for 2 years, I would hope the phone is better than than. But I would also guess
several of us on here have wiped more than you (even with your triple wipes) in the last month
several of us on here have wiped more than you (even with your triple wipes) in the last month

people that say to wipe 3 times or 5 times or whatever are wasting time.
. Who knows maybe that 