I also want to know what will the author issuing for ipo investors
Each bitcoin transaction will represent one address.
On launch I will pm all known investors and ask how they want to receive the seed of that address.
Investors can then import that seed into their wallet and use it.
I'm suggesting to consider this service or similar
https://privnote.com/Someone creates a note, sends a link, you can read it just once. After the first time note was open service deletes it.
For example I created a note
https://privnote.com/n/cfgyhsorzlnpkbnm/#zefvqzmkmusapetp after someone reads it, it will be deleted and I'll receive notification on my e-mail that the note has been read.
Personally because of the recent hacking generally of Windows etc to be super safe I might while I'm on TOR network change my Bitcointalk password. I suggest others do of they haven't already. I personally don't think any email is secure.