At one point Machine Zone allowed players to save up tons and tons of Resources before kingdom jumping so that players could use them to rapidly build new accounts. This quickly got out of hand because players 8 months ago (beginning of 2015) were Teleporting with 10s of billions of Resources. Any new player in a new Kingdom was not able to keep up with the growth of jumper who came in with billions of Resources. Therefore, Machine Zone no longer allows you to keep more than 500k Resources in your Stronghold Storehouse when kingdom jumping.
So, to be clear:
See more on kingdom hopping here:
How UKc took K80 by Storm | A Real Wonder Battle | Winning Events With Jumper Accounts.
Enjoy!
Navi
Game Update article contributed by Casey