you won't get monthly passive income with dividends from A2A though, only with STE can you get that.
Exactly. As you mentioned earlier:
STE = Security token (Whitelist:
http://stex.exchange/stewhitelist)
A2A = Utility token (STeX A2A ICO scheduled to April, 5 2018 05:00 GMT)
🚀 STeX Exchange Alpha release scheduled to March 27, 2018 14:00 GMT
STeX Terminal and A2A Technology explanation video:
https://www.youtube.com/watch?v=A9O4jQlpiFsLooks like it's still better to join the whitelist now if you want STE tokens. It may seem that it may not be applicable with a final STE ICO if it is what investors are voting for. Vote is happening right now.