> It means if someone you want to impersonate uses the Web Of Trust, i.e. their key is signed by other people whose keys have been signed the same way, you can

> It means if someone you want to impersonate uses the Web Of Trust, i.e. their key is signed by other people whose keys have been signed the same way, you can generate a GPG key for which all of these signatures are still valid. I'm not really knowledgeable about the implementation details of GPG. Mind explaining how this follows?