By Darren Parkin A slew of tough new Financial Conduct Authority rules aimed at making the marketing of digital assets clearer came into force today. The move will see the implementation of a 24-hour ‘cooling off period’ for investors, as well a ban on incentives such as ‘refer a friend’ bonuses. However, while the core rules came into effect this morning, registered crypto firms could be given until January 8 2024 to introduce features which may require further technical development. Firms must first apply for the flexibility which would then allow them time to make the required back-office c…