In 2019 you were introduced to the world of digital archiving and the eArchiving Building Block in a paper titled “Beyond the brick, for the past in the future, you find the archive!”. We explored how common specifications have been used for describing both Information Packages and the Content Information Type Specifications (CITS) that can be placed in an Information Package. This is a new world for some and an old world for others, so let’s recap and introduce you to the challenges that follow.