Yeah, someone asked that a while ago @JeromeTash.
What other cryptocurrencies does MintDice allow except bitcoin?
You can find the relevant information
here.
We accept deposits in the following cryptocurrencies: Bitcoin, Litecoin, Bitcoin Cash, Ethereum, Ripple, Dogecoin, Monero, Dash, PIVX, Blocknet, NEO, Decred, LUX and ZCoin.
New casinos usually accept multiple cryptocurrencies these days. Pretty sure they are working on it (CMIIW).