A new crop of blockchain identity (BCI) technologies, and the solutions they power, stand poised to unleash new paradigms in identity verification (IDV) and access policy enforcement, leading to changing behaviors, and disruption, in the field of identity and access management (IAM). This report presents a review of the emerging vendors in the BCI market. Security and risk (S&R) professionals should use it to understand the capabilities within major market segments and to inform their technology strategies.