This is the first time that I heard of Miningcore are you trying to host a pool?
I found miningcore on Github if the algo is sha256d then it only mines altcoin that supports sha256d not bitcoin.
If I were you bring your issue to the MiningCore developers if you want any help on how to add more algo in MiningCore.
Check this link below you might get some idea of how to add coins and algo.
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https://github.com/oliverw/miningcore/issues/1588