The First Trust ETF seeks to replicate, to the extent possible, the performance of an innovative transaction and process index. Currently, the First Trust ETF seeks to replicate, to the extent possible, the performance of the Indxx Blockchain Index, net of expenses. The First Trust ETF will obtain exposure to the Indxx Blockchain Index by investing in the Underlying Fund, a US-listed index ETF which itself seeks to replicate or substantially replicate the performance of such index.