The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "stone" appeared
2016-12-06 : Distributed Ledger Technology: role and relevance of the ECB2016-09-07 : Reaching for perfection – building the market infrastructure of tomorrow
2015-09-10 : Medium to long-term priorities of Capital Markets Union (CMU) for the ECB/Eurosystem