[sten]

if you had your wallet confiscated, ther is no doubt they would crack it... just like the guy from silk road and those bitcoins being exchanged to dollars.

once cracked, they have the ability to find all your transactions

[Errant]

The ability to crack it would depend upon what you've used for a pass phrase. A large one 100+ characters with a representation from each class of character, would make it prohibitory expensive to crack. Somewhere on the internet I've seen a scale that gives an estimate of what it would cost (billions and billions).

An example of a pass phrase practically impossible to crack: 4Score&7YearsAgoOurFathersBrought4thOnThisContinentANewNation,ConceivedNLiberty,&Dedicated2ThePropositionThatAllMenRCreatedEqual!