There are two types of digital certificates:
Individual application: this is a soft certificate, which can be used after downloading it online
Agency: this is Hard certificate, you need relevant materials to apply and then the Trademark Office will issue you a digital certificate (U disk)
Getting a trademark is a very easy thing, but it requires you to have professional knowledge. If Personally, it is recommended that you find a professional agency to help you with review and analysis, so as to increase the chance of passing the registration and save time and cost