The Swap to ERC-20 tool is offline until January 2020.

Focus has shifted toward the release of Emblem.

Try this like to the Coval Telegram group: https://t.me/CIRCUITS
There was an additional update from Shannon on Telegram saying there would be an update on the delisting and swap to ERC20, which was the below.
"Me and team are working on the specific messaging for you guys about everything, bittrex, erc20, v1, etc. we are meeting Wednesday much of the day to finalize this stuff. I will have solid answers on Wednesday." - Shannon via https://t.me/CIRCUITS/46895
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Thanks mate, appreciate it! :-)
By the way: I tried both Telegram links in order to re-join the group. Getting that "This channel is private" notice either way. Looks like I'm banned or something for claiming we need more aggressive marketing/hype back then. (Turns out to be the truth, though, as we can see these days)

From Shannon on Telegram

"I'm in discussion with Bittrex to participate in a swap of Coval to ERC20 Coval token. This move to ERC20 will open up opportunities for Coval to be listed elsewhere also as most every exchange is compatible with ERC20 (Ethereum) tokens currently. Specifics on the swap aren't available just yet. But understand that no matter if your Coval is on Bittrex or on Counterwallet, the ability to swap will be easy and safe."

There are two news at the same time one is very negative in short term regarding removal of market from Bittrex which caused this huge dump. I was not following for some time and actually this massive dump brought me here. This was to happen since development was very slow and trex was only exchange. On the other hand migrating to ethereum protocol can open ways to get listed on dex's at least.

Most of the topics are explained on the Telegram.
Shannon speaks precisely about the further development and role that Coval will have in this project.