I am part of the team who designed the product. Happy to answer all questions.

Also checkout

• coindesk: https://www.coindesk.com/german-regulators-approve-280-million-ethereum-token-sale
• forbes: https://www.forbes.com/sites/stevenehrlich/2019/07/24/280-million-ethereum-real-estate-bond-seeks-to-recapture-the-promise-of-the-ico/