I am slightly confused by their description of their security model. [1] It is all about long term protection of their secret key. However, if they need this ke

I am slightly confused by their description of their security model. [1] It is all about long term protection of their secret key. However, if they need this key ( is it actually just one?), it seems that they need to compromise a large part of their security. So does this mean, that they will simply never sell bitcoins? [1] http://bitcoinfund.eu/security http://bitcoinfund.eu/security