Tezos moves closer to zk-SNARKs protocol upgrade

Implementing some form of “Zero-Knowledge” proofs, based on the zk-SNARKs model pioneered by Zcash, into the Tezos protocol has been on the radar of creator Arthur Breitman since the original Tezos white paper. With the Tezos Mainnet humming along and the first protocol amendment vote on the horizon, it seems that some meaningful progress has been made which could pave the way for zk-SNARKs integration with Tezos.
Just days ago, on Nov. 29, a commit was made to the Tezos public Gitla