it is only simple if you always manage not to open such a sparse bundle on another Mac before it has been fully synced after being used on another Mac. Otherwis

it is only simple if you always manage not to open such a sparse bundle on another Mac before it has been fully synced after being used on another Mac. Otherwise, you will mess up your sparse bundle sooner or later. A service for syncing and sharing with built-in encryption might therefore me more convenient for most users. Spideroak and Wuala are two examples.