The webapp provides for each item the link on ECB's website.
Speeches for : Fabio Panetta where "riskfree" appeared
2022-12-07 : Crypto dominos: the bursting crypto bubbles and the destiny of digital finance2022-02-18 : Central bank digital currencies: defining the problems, designing the solutions
2021-06-20 : Interview with Financial Times
2020-10-12 : A digital euro for the digital era