Digital badges can be stacked together to replace or supplement formal and informal learning experiences and be understood by learners, higher education, and the workforce
"understood" => I like this framing of centering that a purpose of all of this is to make sure that the learning can be understood (and thereby valued) by the audiences who need to understand it. In order for credentials to have currency, the brokers of currency need to know what the assets are and how to value them.