The webapp provides for each item the link on ECB's website.
Speeches for : Fabio Panetta where "sovereignty" appeared
2023-06-28 : Why Europe needs a digital euro2022-08-23 : Policy panel on central bank digital currencies
2022-06-15 : The digital euro and the evolution of the financial system
2020-11-27 : From the payments revolution to the reinvention of money
2020-11-04 : The two sides of the (stable)coin