Ok I had a look at Safe.Zone. How does that system make sense? First of all, it is a non-blockchain based system right? It is just a network of websites agreeing upon a certain level of security standards. The fact that you provide PerNums is a pseudo blockchain approach assuming I understand it correctly. Why not build an entire Internet on the blockchain where instead of your PerNum you have your Public Key? What's the advantage of Safe.Zone?
I will reply to your main questions.
So Safe.Zone is let's say the main webpage where you can connect to other webpages (platforms) from. All platforms belong to Unicorn Network, you can check the video on unicorn.network. The SafeZone itself is from technical point of view - as the name itself prompts - the zone of safe all internet services provided to the clients (customers) - which includes all possible members - people as well as business partners.
The PerNum is not just related to the Rainbow Currency. PerNum was here a longer time before the Rainbow Currency came within its ICO in November 2017. The PerNum has each member, each business partner - and it is simply the username for the whole Unicorn Network, for all the child webpages (platforms). This PerNum is hiding each's personal data, like Name, Surname, e-mail address etc. To login to each website is needed this PerNum, the password and then 3 random numbers from Master PIN, which is 6-numbers created by each member at the registration stage. This Master PIN is also used every time when you are doing anything important - in regards with Rainbow Currency for example when you transfer coins from the internal wallet (visible on rainbowcurrency.com) to the public wallet (for example MEW). Probably you know - the TWINKLE is on Ethereum blockchain as the token.
So it doesn't make sense to replace the recent PerNum by a Public Key - I believe you understand why from my explanation above.
And just to explain the different between the internal and the external wallet - as you very probably know (I would say everyone who deals with cryptocurrencies ingeneral) if you have wallet on MEW or on any other wallet, it is mainly your responsibility to safe your coins inside, noone will do it for you (I am speaking about the option when you use a "pure" wallet with a Private Key and Public Key, not a service which masks keys for you). The internal wallet is - vice versa - respectively the coins inside are covered by the company and you are not only the person who cares about them.
Next important point - TWINKLEs are not intended only to be listed on crypto exchanges, but mainly to become everyday money for buying all the possible services, goods of the registered partners (business owners registered on the SafeZone).
Nowadays who are willing to buy TWINKLEs, can do so on two crypto exchanges - CryptoCoinStreet.com and SouthXchange.com, certainly these exchanges will not be the only ones, next will come too. Or every new member of SafeZone will receive free coins too.
You could be also interested in where to find out more official information - so all registered people can join regular webinars scheduled sometimes once per week or once per couple of weeks/months (based on a given needs). There is also certainly a live support available on Skype, and thanks to the fact that members as well as support people are from more countries/continents you will reach someone any time during the daytime
And I also must notice - what is
the best source of the information directly from our CEO (for all the people which are not registered yet) - it is
the live stream on americamatters.us scheduled for 1 hour twice per week on Tuesdays and Thursdays. There are also podcasts available under the key word "SafeZone" (certainly ;-) ).
If you will have any additional questions, you can ask me too, what I will know, I will certainly reply.