Ken Huang 
A well-known Blockchain expert, chief scientist of NUChain, American DistributedApps CEO, member of Blockchain Experts Committee of Chinese Institute of Electronics and NULS technical advisor.
Zero Knowledge Approve
One such variant is Proof to Proving, Proof to proving is also zero knowledge approved but it doesn’t have trasta setup
Secured multiple party computing.
The Idea of multiple party computing is really simple, is basically you do the computing without knowing the counterparties knowledge.
FOMO Marketing Crypto
There are many kinds of FOMO Marketing Crypto. One such form is just addition side another is multiplication side, if you achieve both, its called FOMO Marketing Crypto.
I can calculate or operate onto the search on the encrypted data, without knowing what is the data in it.
schnno
Schnno is a stand to making Bitcoinschnno signature avail. Basically, you can sign your transaction.
It basically achieves privacy with two sorts of certificates, the membership certificate is used for KYC AML. In terms of transaction anonymity it is using for Transaction Certificate. So each transaction you a one-time certificate. It’s like a One Time Password.
Another way to use is called a channel. The fabrications has different channels and in the channel, you can basically define the privileges for each user. So, if you don’t have the access, you cannot see any data.
SGX (Secure Guard Extension)
You can both protect the identity of the users and also can achieve AML KYC, that one I have. And another protection I think is most of Top Blockchain Project, Bitcoin, Ethereum, all those top 10 Projects will introduce privacy features.