Vortex Blockchain Technologies Inc. (VXBT: Grey Market) | Revoked Security Fri, Oct 23, 2020 12:00 - Vortex Blockchain Technologies Inc. ( VXBT : Grey Market) - Revoked Security - Effective Fri, Oct 23, 2020, VXBT is designated with the status Revoked. You may find a complete list of revoked/suspended securities at otcmarkets.com .