Then again there will most likely be charge backs galore. Not sure on that one now.
1. if address and private key are generated with an OFFLINE computer
2. if the printer memory is cleaned after print (I don't know how to do this)
3. if your print 2 or 3 copies stored in different safe places
Please note that you won't get the stake with coins stored on paper wallet.
Some people put their wallet paper in a plastic pocket, others laminated it to prevent water or humidity damage.
We have an online Open Source JavaScript Client-Side Coin2 Wallet Generator, but it still generates OLD C2 address. http://paperwallet.ga/Coin2/
My english is poor and my technical knowledges as weel, thus I can manage to contact paperwallet.ga to ask them to fit Coin2.0.