I do not see how POS is a red flag.   ICO? Red flag.  Masternode sales?  Red flag.  Premine?  Red flag.

POS with mined coins - where is the red flag in that?  I am not seeing that at all.

Have you read the white paper and the blue paper?

can team help better understand private key and wallet.dat backup

i should backup wallet.dat from every block reward?

can i just save private key, why they both needed? 

for kmd only wif is enough

WE'VE JUST RELEASED A NEW CRITICAL UPDATE WITH SOME NICE FEATURES AS WELL, V0.3.11 - UPDATE REQUIRED THIS WEEK BEFORE BLOCK 96480 NEXT HALVING
1. This release fixes the infamous segfault issue that sometimes stops a miner with a segfault and core dump at random times.
2. This release fixes an issue with the PoS algorithm that could allow someone to improve their odds in an unintended way. To the best of our knowledge, our discovery on this has never been exploited, and will not be an issue after block 96480. This is a change to the PoS algorithm, which is why it is a mandatory update. If you do not update by the next halving at block 96480, you will not be able to get to the chain until you do.
3. This  release also integrates the latest core Agama changes, including the fixes for the breaking changes that were made to Electrum servers for other Komodo family coins that support SPV/lite mode. The core Agama changes also include a feature to hide sensitive data on the screen for screen shots.
4. Finally, this release enables easy adding of an encrypted memo to private transactions from Agama with Verus. This feature works to send, but we don't consider it complete, because while you can add the memo, you can't yet easily read memos sent to you. You can send messages with a zero amount, but you will still be charged a fee of 0.0001 VRSC. The ability to retrieve memos sent to you currently requires the command line use of "z_listaddresses", "z_listreceivedbyaddress", and hex conversion, or you can wait for a later update, knowing that the memos are there to see at that time.
You can download the latest builds at https://veruscoin.io.

Please make sure to back up your wallet.dat before updating, just as a standard precaution that is likely unnecessary, delete the existing  App install folder, not the VRSC folder and  no other folders, then install and run the update.

Stop by our discord for the latest: Discord: https://discord.gg/VRKMP2S

Great to hear ! Thanks for letting us know.

0.3.11 is the redistributable version. It is in the archive file name and displayed in the GUI, but you won't see that from the command line. We will address that in a future update. Thanks.

Thank you and everyone wishing us luck! Much appreciated.

Indeed... md5sum... I apologize - it was easy to guess yourself!

I only got one block today under 5GH/s, normally I can get about 10, I am sure the difficulty has been increased significantly.

A number of CPUs are getting high hundreds of MH/s. The algorithm is the fastest in the world on CPUs, by far. There are GPU miners being developed, but in tests they are not beating CPUs right now.