Because of concerns about proof-of work mining, the European Union’s parliament is delaying voting on a regulatory framework for cryptocurrency.

Stefan Berger, member of the European Parliament’s economics committee was featured in a Twitter thread (NYSE:) on Friday A vote for the Markets in Crypto Assets framework, also known as MiCA (Markets in Crypto Assets) had to be cancelled by the government. It was scheduled to occur on Monday. Berger said parliament needed to clarify “the question of proof-of-work” in discussions with stakeholders to ensure a proper legal framework, adding that some might misinterpret the proposal as a ban on crypto.