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So, to claim, I have to sign a message using the wallet.
Any security concerns about this?
As long as you move your coins and use TOR when showing them your signature it should be fine. You can use a VPN but then the VPN provider will know who you are
seems like a GREAT way to link btc addys and track them out the wazoo. even after moving them they are now linked forever to the airdrops garbage.
fine if you dont care about privacy
Maybe you can route your shitcoin wallet activity through TOR and send the shitcoins to an anonymus exchange. But surels
trace will be left somewhere, like anything you do online.