I wonder how no one suggested using body cavities as a hiding place.
There is no better place for seed words then in single pill container inserted safely in ones rectum.
Luckily I don't try to smuggle my BTC over my countrys border.
Will you also be wearing a "I volunteer for a cavity search" shirt when performing this stunt of human ingenuity? Or are you just going to hope that the security does not notice the guy who has an uncomfortable face when sitting down?