<SEC-DOCUMENT>0001079973-19-000244.txt : 20190607
<SEC-HEADER>0001079973-19-000244.hdr.sgml : 20190607
<ACCEPTANCE-DATETIME>20190423185242
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001079973-19-000244
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190423

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Riot Blockchain, Inc.
		CENTRAL INDEX KEY:			0001167419
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				841553387
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104
		BUSINESS PHONE:		303-794-2000

	MAIL ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bioptix, Inc.
		DATE OF NAME CHANGE:	20161201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Venaxis, Inc.
		DATE OF NAME CHANGE:	20121218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AspenBio Pharma, Inc.
		DATE OF NAME CHANGE:	20051110
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
<html>
<head>
<title></title>
<!--Licensed to: EDGAR Technology and Business Services
    Document created using EDGARfilings PROfile 4.5.0.0
    Copyright 1995 - 2019 Broadridge-->
</head>
<body style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif" text="#000000" bgcolor="#ffffff">
<div style="TEXT-ALIGN: right"><br>
 Correspondence</div>

<div>&#160;</div>

<div>&#160;</div>

<div>&#160;</div>

<div>
<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">April 23, 2019</div>

<div><br>
</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left"><u>VIA EDGAR</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">United States Securities and Exchange Commission</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">Division of Corporation Finance</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">100 F Street, N.E.</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">Washington, D.C.&#160; 20549</div>

<div><br>
</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">Attn: Filing Desk</div>

<div><br>
</div>

<div>
<table id="zd51b3eefeff04f8399ea6c46053d154f" class="DSPFListTable" style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr style="VERTICAL-ALIGN: top">
<td style="WIDTH: 36pt; VERTICAL-ALIGN: top; align: right">
<div style="text-align: left; font-size: 11pt; font-family: 'Times New Roman', Times, serif;">Re:</div>
</td>
<td style="WIDTH: auto; VERTICAL-ALIGN: top; align: left">
<div style="text-align: left; font-size: 11pt; font-family: 'Times New Roman', Times, serif; font-weight: bold;">Riot Blockchain, Inc.</div>

<div style="TEXT-ALIGN: left">
<div style="FONT-WEIGHT: bold">Registration Statement on Form S-3</div>

<div style="FONT-WEIGHT: bold">Filed March 14, 2019, as amended April 23, 2019</div>

<div style="FONT-WEIGHT: bold">File No. 333-230290</div>
</div>
</td>
</tr>
</table>
</div>

<div>&#160;</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: left">Ladies and Gentlemen:</div>

<div><br>
</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: justify; TEXT-INDENT: 36pt">Pursuant to Rule 461 of the Securities Act of 1933, as amended, Riot Blockchain, Inc. (the &#8220;<font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-WEIGHT: bold">Company</font>&#8221;) hereby requests acceleration of the effective date of its Registration Statement on Form S-3 filed on March 14, 2019 (<font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-WEIGHT: bold">File No. 333- 230290</font>), as amended by the Amendment No. 1 filed on April 23, 2019 (together, the &#8220;<font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-WEIGHT: bold">Registration Statement</font>&#8221;), to 8:00 a.m. Eastern Time, on Monday, April 29, 2019 or as soon thereafter as practicable. The Company hereby acknowledges its responsibilities under the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended, as they relate to the proposed public offering of the securities specified in the Registration Statement.</div>

<div><br>
</div>

<div style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: justify; TEXT-INDENT: 36pt">Please contact William R. Jackman of Rogers Towers, P.A., counsel to the Company, at (904) 346 &#8211; 5551, as soon as the Registration Statement has been declared effective, or if you have any other questions or concerns regarding this matter.</div>

<div>&#160;</div>

<div>
<table id="z94cbd376be0043f385ab96f1662c7eff" style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; WIDTH: 100%" cellspacing="0" cellpadding="0" border="0">
<tr>
<td style="WIDTH: 50%">
<div>&#160;</div>
</td>
<td style="WIDTH: 50%">
<div>
<div>Very truly yours,</div>

<div>&#160;</div>

<div style="FONT-WEIGHT: bold">Riot Blockchain, Inc.</div>

<div>&#160;</div>

<div><font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif">By:&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif"><u>/s/ Robby Chang</u></font></div>

<div><font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif">Name:&#160;&#160;&#160; </font><font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif">Robby Chang</font></div>

<div><font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif">Its:&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif">Chief Financial Officer</font></div>
</div>
</td>
</tr>
</table>
</div>

<div>&#160;</div>

<div><br>
</div>

<div>
<table id="z5f251b084ad64680a7a66a5a75139fac" class="DSPFListTable" style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman', Times, serif; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr style="VERTICAL-ALIGN: top">
<td style="WIDTH: 27pt; VERTICAL-ALIGN: top; align: right">
<div style="text-align: justify; font-size: 11pt; font-family: 'Times New Roman', Times, serif;">cc:</div>
</td>
<td style="WIDTH: auto; VERTICAL-ALIGN: top; align: left">
<div style="text-align: justify; font-size: 11pt; font-family: 'Times New Roman', Times, serif;">Jeffrey G. McGonegal, Riot Blockchain, Inc.</div>

<div style="TEXT-ALIGN: justify">William R. Jackman, Esq., Rogers Towers, P.A.</div>
</td>
</tr>
</table>
</div>
</div>
</body>
</html>

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
