To stake any POS of 'value' market capwise it takes lots of research and investing $$$ to buy a 'stake' that stakes.
And any and all POS coins require work. Time and effort is required. (itemized list above)
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I've said it before, and will say again TALK is one of few clients that I can stake and still use the PC. Most staking clients require full use of the mem and cpu.
So in theory all market traded POS will eventually be only staked by miners that spend the time, effort, and money to run a dedicated node. That's a known commodity ... about $5/month ... plus it takes labor ... say 5 hrs per month ($75) ... if you pencil cost to mine any coin in the future:
$80/month*wild guess
(does not include the SEED money invest to acquire a stakeable unit)
(( so POS will be just like POW except mineable via common hardware instead of exotic/complex/EXPENSIVE hardware ))
(((( so POS is much more 'egalitarian' )))
There is no free lunch any more in POS
You got to earn your coins.
Here's an ad thread for Rimbit ... Bitcoins greatest asset has gone forever!
https://bitcointalk.org/index.php?topic=1520050.0 ... I'm not supporting Rim ... but I do support this opinion that 'promise' of mass distribution network/coin is a good idea and POS offer a return to that ethic.
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"What is not earned is not appreciated. "
If I had to guess the understanding/meaning ... POW require competitive trails and reward the strongest ... which has turned full scale industrial ... the reward goes to the elite few able to invest millions into mining operations.
POS can be staked on simple under $50 devices. Burn little electricity. (so they are an obvious enemy to the POW model).
So yes coins like MINT, RDD, and BLK made a few guys sorta rich with instant mine tokens turning to gold. Then 100s of copy cats followed suit ... that BOON has been over since 2014.
The BUST is still on going. And the new scam is ICO, which is 100% absolute premine garbage.
I think there will be a 2nd wave of POS launches in the aftermath of this ICO idiocy.
And I hope that the 2014-2015 'survivor' POS coins lead the field.