Here's what it says on the nadex.group website: We utilize the major sources of revenue in blockchain such as: Staking, Mining, Inter-exchange arbitrage and Trading. In the 21st century, digital assets are making a huge impact and opening dozens of doors for income sources. We have selected the best high-yield tools for our ecosystem and made them as accessible as possible. A wide range of services for clients' needs. All the areas we have chosen and target capital growth in each of them.