I set Nethermind to zero gas price:

    "Blocks": {
        "MinGasPrice": 0

Nevertheless, MetaMask for this network shows rather big positive gas prices and does not allow to set the gas price to 0 (or about zero).

Why can't I set the gas price in MetaMask to zero? Is it possible to implement private network with zero gas price and use MetaMask without gas?

Once (apparently, as a result of a MetaMask bug) the gas price were set to zero. Then the transaction didn't validate.


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