We have seen a few of these lately.
Someone getting into old keys or key recovery getting sophisticated enough to unlock previously lost keys?
Maybe those are the same thing but one nefarious and the other not so much.
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Look at the funny addresses in past transactions... someone spent a bit of time making those I think.
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Hints to a website. Interesting.
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Those are vanity addresses. You can generate a legacy P2PKH address with a few funny letters in the start fairly quickly using a GPU (see vanitygen-plusplus https://github.com/10gic/vanitygen-plusplus). I tried generating a Taproot vanity address but to no success since it doesn't support GPU acceleration for that yet so it was slow.
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Yes it seems reusing address was more common back then
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