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I've seen some people with vanity Monero addresses like 43COINxxxxxx. Does having a vanity address like this increase its susceptibility to getting cracked and view/spend keys getting found?
In terms of cryptography: no, unless the vanity generator is badly implemented, without a proper source of entropy.
Although, if you use an untrusted vanity generator, they could record your private key and send it somewhere. Good old trick.
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