Some authority could just demand your bitcoin on some gimmicky pretext (USA) or draft laws largely stymying its use (China). Also I've yet to find a reason to t

Some authority could just demand your bitcoin on some gimmicky pretext (USA) or draft laws largely stymying its use (China). Also I've yet to find a reason to transfer $30k in one go for any reason - I've yet to fall victim to some kidnapper or blackmailer who wants cash by the evening without raising any alarms on my part.