• Keys have to be 32 bit unsigned integers or ASCII Strings with a max length of 255 chars.

  • The supported integer values include all integers between -2^53 and 2^53, and some integers with larger magnitude

  • Objects are not allowed to contain cycles. Hive will not detect them and storing will result in an infinite loop.

  • Only one process can access a box at any time. Bad things happen otherwise.