The EBA is closely monitoring existing and new financial activities and may issue warnings in case of potential harm to consumers. See the warnings issued by the EBA:

Crypto-assets: ESAs remind consumers about risks - 17 March 2021

EBA, ESMA and EIOPA Warning on Virtual Currencies - 12 February 2018

EBA warning on virtual currencies - 13 December 2013

Joint EBA/ESMA warning on contracts for differences - 28 February 2013