Subject: SR-CboeBZX-2019-004
From: Debra Ann Elder-Lambeth

May 21, 2019

The Bitcoin proposal is as an Exchange Traded Fund  acronym ETF  it could be handled like  Example;  VanGuard ETF is an Exchange Traded Fund Shares that are not individually redeemable and are listed on the NYSE Arcadis website 
Debra Ann Elder-Lambeth