Readers may have seen reference in the media to the European Central Bank (ECB’s) T2-T2S Consolidation project from which it may have appeared to be simply a merging of two existing systems on the same technical platform currently being used by TARGET 2 Securities (T2S). However, it is far more wide-ranging and complex than may first appear and this article aims to put it in context of other developments both within and outside the euro area. This article is based on the latest information available at the time of writing but some of the content may be slightly out of date by the time it is published. However, after completion of drafting a senior ECB official stated that the possibility of a further delay beyond 20 March is considered to be extremely low.