Subject: File No. SR-CboeBZX-2018-050
From: Hiroyuki Komiya
Affiliation: CEO of Blockchain Technology Consulting

July 18, 2018

Dear U.S. Securities and Exchange Commission,

I am writing you to ask you for Bitcoin ETF approval by CBOE.

I have been working on Blockchain related business recruitment based in Japan, as well as an owner of Blockchain Technology Consulting in Tokyo.

Japan has been working on regulation. Crypto currency exchanges are expanding law and legal team for further adoption, Japan Blockchain Association built a global Blockchain/Crypto currency association to set up rules.

US is a centre of financial world. Global financial market would grow further by corraborating with SEC. Bitcoin is showing strength to drive the economy. Engineers are working on system/security enhancement everyday, it is not staying same. I am on the Bitcoin mailing list and seeing these progress.

I look forward to seeing positive movement for this matter.

Regards,

Hiro