Yeah, that is one more puzzle to solve for an uninformed folks like some(most) of us.

I suppose "suggest_brain_key" in "cli_wallet" will do too, right?

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@'Eclipse Crypto', many thanks for the quotes ('witness') hint. It helped a lot. Not sure this coin will worth anything though (might shut down my miner soon), but its a bit entertaining.

Thanks to Dev for finally pointing to the article from Bytemaster - it was a good read (complete news for me - never even listened about his work before), and its finally explains something about this coin. I hope you understand what you are doing, though as 'Eclipse Crypto' pointed, you did it in somewhat shady and/or unprofessional way