Subject: SR-CboeBZX-2018-040
From: Mark Charles

July 17, 2018

I fully support a Bitcoin and other Crytocurrency ETF as a new asset class. It will bring well needed change to a financial system that needs modernization and more diversification. I suggest we move slowly letting one pass to see the effects and ramifications. It will also bring professionalism and legitimacy to the crypto market. Thank you for hearing us out

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Mark Charles