Are there any trusted online cryptocurrency exchanges in Estonia?

As a curious investor, I'm wondering if there are any reliable online cryptocurrency exchanges operating in Estonia? Given the rapid growth of digital currencies, it's essential to ensure that the platforms we use are secure and have a solid reputation. I'd appreciate any insights into the trustworthiness and user experience of these exchanges, as well as any regulatory considerations specific to Estonia that might affect their operations. Additionally, are there any particular features or services that these exchanges offer that make them stand out from the competition? Understanding the landscape in this region could be invaluable for my investment decisions.