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Thanks for the stackexchange link. Just started reading it, will take time to digest.
I'm getting ready to send some xmr to an exchange. In the event that I decide to claim the monerov later, are there precautions I need to take now with this transaction? My initial impression is that I can go ahead and make the transaction, and that if I need to deal with print_ring and so forth, that comes later.
The is a very important precaution that you need to take now. When you spend your XMR You need to make use of the mitigation I quoted above in order to ensure that the fake outputs used by a pre fork output are all before the fork, since only pre fork outputs can be identical on both chains.
Edit: It is also best if the XMR spends to empty the wallet, be to a wallet you control, and then from that wallet make a spend to a third party such as an exchange.
Actually, I know this is a suggestion that is always recommended, but why not just wait it out and leave the XMR in your wallet, be patient and claim your fork coins after the dust has settled on all the possible vulnerabilities and threats? I am actually not claiming the forks for Monero but I did that with Bitcoin last year and faced no issues. Maybe you lose some money after the spike, but in fact I made more selling my Bcash long after the fork when it shot up in price later on.