Edit: apparently the "does" in "doesn't" absorbs the conjugation, returning the verb to its infinitive form
More:
"They arguments doesn’t hold" typo they ought to be the, those or their, not sure what you meant. Since arguments is plural you want don't, not doesn't, alternately "the argument [singular] doesn't hold"
'national ones creates money' subject verb agreement again, either one creates or ones create
"bitcoin pools mentioned ahead" ahead doesn't quite apply to comment threads, like on a road you have cars in front (ahead) and in back (behind), but with comments it's above and below, cause you scroll up and down, not forward and backward
"It exists" is correct
"It doesn't exists" is incorrect, exists becomes exist, "it doesn't exist"
Edit: apparently the "does" in "doesn't" absorbs the conjugation, returning the verb to its infinitive form
More:
"They arguments doesn’t hold" typo they ought to be the, those or their, not sure what you meant. Since arguments is plural you want don't, not doesn't, alternately "the argument [singular] doesn't hold"
'national ones creates money' subject verb agreement again, either one creates or ones create
"bitcoin pools mentioned ahead" ahead doesn't quite apply to comment threads, like on a road you have cars in front (ahead) and in back (behind), but with comments it's above and below, cause you scroll up and down, not forward and backward