But I don't see any mention where the hot wallet is, or if you can sign a message for it. What about your cold wallet, can you sign a emssage from that?
I was under the impressions we are talking about this
https://coinmarketcap.com/currencies/ethos/ethos, which is currently about .138 cents per ethos.
.138 cents times 6,297,500 = is $869,055
I understand, it can be confusing. But on our website, 1 ethos = 1 Millionth of Ethereum. (1 000 000 ethos = 1 ETH)
About Wallets, we don't really share our wallets addresses, but since we use Ethereum, it's pretty easy to find our hot wallet

Currently our bankroll is 600 ETH.