What's your opinion?
Apart from the possibility of regulatory issues, if the blockchain/transaction record is hidden, then groups of pool owners of large pools could potentially collude to double spend, and if there is no transaction record, then this will not be detectable. Other such scenarios exist as well - remember that the blockchain is a public ledger designed to prevent or record fraud. Hiding this exposes the coin to serious risks.
It depends how well the algo is designed...
Get out the popcorn as people probably already have exploits in the pipeline...
And we'll see about the completely untested CN group over time.
It seems the anon coins are better suited as a secret store of wealth (than currency)...
(Because in real life you often have to be able to prove you made a payment)...
The CN coins with their long, slow emission curves seem designed for wealth storage.