Abstract
This article describes the development of MassBank in terms of the historical background why mass spectrometry has required MassBank, concepts, metadata, data redundancy, tools helping data contributors who construct MassBank records, data search services, copyright and Creative Commons License of Mass Bank records, contribution from the Mass Spectrometry Society of Japan, Open Science of mass spectral data, international collaborations, data quality of public repository, new MassBank, and future direction of mass spectral databases.
