The euro area debt crisis saw the region ravaged by multiple sovereign bond doom loops and has inspired several proposals for a single safe asset for the region. While a lack of political consensus has proven the main obstacle to date, technical issues relating to the complexity of splitting the existing sovereign debt stock and concerns on contagion amongst senior and junior debt structures also weigh in. This column, part of the VoxEU debate on euro area reform, illustrates how a 20-year Purple bond transition could address these issues and offer a path to genuine Eurobonds.