This coin seems well established since july 2018 despite it's a bit discreet on the markets 401k has an active community on Discord with a strong network.
The
whitepaper is original and KISS designed, clear.
It says the main focus of 401k :
1/ longevity over 100 years
2/ Masternode and staking for the complete beginner
May I add "Fun & profits" ? The future will tell.