Search giant Google will only allow cryptocurrency exchanges and software wallets to advertise in the European Union if they hold a license under the EU’s Markets in Crypto-Assets (MiCA) regulation, starting April 23, the company announced Monday.

Google said advertisers must now obtain a certification from the company and demonstrate they are registered as a Crypto-Asset Service Provider (CASP) under MiCA. The company also requires advertisers to comply with any additional country-specific legal obligations.

MiCA which covers all 27 EU member states, marks a shift away from the patchwork of national licensing regimes that currently govern crypto ads in some regions.

For crypto platforms already advertising in France, Germany…