In this article, we explore the intersecting concepts of fairness, trust and temporality in relation to the implementation of an online peer-to-peer review Moodle Workshop tool at a Sydney metropolitan university. Drawing on qualitative interviews with unit convenors and online surveys of students using the Workshop tool, we seek to highlight a complex array of attitudes, both varied and contested, towards online peer assessment. In particular, we seek to untangle convenors' positive appraisal of the Workshop tool as a method of encouraging "meta-cognitive" skills, and student perceptions relating to the redistribution of staff marking workload vis-à-vis the peer review tool as "unfair", "time-consuming" and "unprofessional". While the Workshop tool represents an innovative approach to the development of students' meta-cognitive attributes, the competitive atmosphere that circulates, and is quietly encouraged, within the tertiary education sector limits the true collaborative pedagogical potential and capacities approach built into peer-to-peer review initiatives like the Workshop tool.