On 14 December 2023, BC4EU submitted its response to ESMA's consultation on its draft RTS for MiCA's sustainability indicators for crypto-assets. Our association's members focused on stressing the need for ensuring that sustainability indicators remain fit for purpose, collecting from providers the most important and reliable data that is clear, transparent and easily comparable both for the competent authorities and for potential investors. Important aspect is also the need to account for the positive impact that a blockchain network can have on the environment, not only focusing on the negative externalities due to energy or resources consumed.