– Blockchain Weekly Legal Edition, a Live, Interactive Webcast. This week, Blockchain Weekly Legal Edition with- Joseph Reiben Managing Partner at Reiben & Velvis. LLP Nicolaas Velvis Managing Partner at Reiben & Velvis, LLP Reiben & Velvis, LLP is a Colorado-based law firm that has assisted in developing numerous successful Start Ups in the Blockchain Industry, both domestically and internationally. With a focus on ICOs, Securities & Regulation Law, Business Law, and Tax Law, Reiben & Velvis, LLP is able to offer individualized legal strategies for your Blockchain based endeavors.