Blockchain Live – 2019 Calendar Tickets When: September 25, 2019 all-day 2019-09-25T00:00:00+00:00 2019-09-26T00:00:00+00:00 Where: Olympia London Hammersmith Rd Hammersmith, London W14 8UX UK Contact: Event website Medicalchain will be exhibiting at this event.