Why is it necessary to "wipe" an authenticated luks2 device when creating it?

".. ink .." <[email protected]>
Newsgroups gmane.linux.kernel.device-mapper.dm-crypt
Message-ID <CAFnMBaSZKwFNOmMTHoB7FP6HAJNGQDWX6cyHPGC3zh8Qq1d0Tw@mail.gmail.com>
I just added an ability to create an authenticated luks2 device in
zuluCrypt[1] and i am
wondering why these volumes need to be wiped when created. I made it work by
looking at how cryptsetup does it but i don't understand why because i
have so far
failed to find any documentation about it.

[1] https://github.com/mhogomchungu/zuluCrypt/issues/134
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