Subject: File No. SR-CboeBZX-2018-001
From: Martin Trzebski
Affiliation: Charted Engineer of CIBSE

October 16, 2018

I hereby wish to express my support for the VanEck SolidX Bitcoin backed ETF.
Me and my colleagues are in favour of such ETF.
Please consider my vote.
Kind Regards,
Marcin Trzebski