I would disagree here:>But most of all:
>7. Removing a word or changing a list *is impossible* as verification of an
>existing mnemonic requires the list. To change one word, you would need to
>provide an alternative to BIP0039 to cope with alternative words, or change
>all the words to a completely new set of 2048 English words so that it is
>clear which wordlist is in use.All that really would need to be done is select another word that is not on the 2048 list, and then agree that by convention, the words 'satoshi' or the alternative word will represent the same number on the list. It seems to be to be a fairly simple thing to implement.