France is pushing the European Union to make regulated crypto platforms answerable when customers lose money on decentralized finance protocols reached through their services, opening a new front in Brussels’ review of the bloc’s crypto rulebook.

The Treasury, the Autorité des Marchés Financiers (AMF), the Banque de France and the Prudential Supervision and Resolution Authority (ACPR) filed a joint response to the European Commission’s consultation on the Markets in Crypto-Assets Regulation, or MiCA, on Wednesday. Their central argument is that exchanges and other crypto-asset service providers, known as CASPs, should not be able to hide behind MiCA’s carve-out for fully decentralized services when they are the ones steering customers…