On: CEO of a top Bitcoin exchange warns: crackdown on ...

[ibeckermayer]

Why do I want my contracts publicly accessible on a blockchain? All else equal, I specifically don’t want that at all

[intotheabyss → ibeckermayer]

You can use zero knowledge proofs if you really want to conceal the information in a contract, but still prove to the world that you've fulfilled that contract. If you're using public Ethereum, then presumably you want your contract to be public.