On September 19th, Dr. Christian Reitwiessner announced that Ethereum’s Ropsten testnet has verified “the zkSNARK part” of a Zcash gtransaction.
The transaction on etherscan.io
The man claims that he has “no idea” of the transaction’s participants or value, but the Ethereum network has confirmed the transaction.
What is verified here is the zkSNARK part of some real transaction on the real Zcash network. I pulled the data out of the chain sometime around January, I think.
Dr. Christian Reitwiessner
It's also significant that yesterday, the Byzantium hard fork went live on Ethereum’s Ropsten testnet at block 1,700,000.
Ethereum charts on coinmarketcap.com
Meanwhile, at the time of writing, the price of the cryptocurrency is about $283, its market capitalization is $26,822,101,714.