<SEC-DOCUMENT>0001079973-17-000761.txt : 20171227
<SEC-HEADER>0001079973-17-000761.hdr.sgml : 20171227
<ACCEPTANCE-DATETIME>20171227161438
ACCESSION NUMBER:		0001079973-17-000761
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		<ITEMS>06b
FILED AS OF DATE:		20171227
DATE AS OF CHANGE:		20171227
EFFECTIVENESS DATE:		20171227

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:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-301764
		FILM NUMBER:		171276283

	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>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001167419</cik>
        <entityName>Riot Blockchain, Inc.</entityName>
        <issuerAddress>
            <street1>202 6TH STREET, SUITE 401</street1>
            <city>CASTLE ROCK</city>
            <stateOrCountry>CO</stateOrCountry>
            <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
            <zipCode>80104</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>303-794-2000</issuerPhoneNumber>
        <jurisdictionOfInc>NEVADA</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>Bioptix, Inc.</previousName>
            <previousName>Venaxis, Inc.</previousName>
            <previousName>AspenBio Pharma, Inc.</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <middleName>R.</middleName>
                <lastName>O'Rourke</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 6th Street</street1>
                <street2>Suite 401</street2>
                <city>Castle Rock</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Executive Officer, President</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jeffrey</firstName>
                <middleName>G.</middleName>
                <lastName>McGonegal</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 6th Street</street1>
                <street2>Suite 401</street2>
                <city>Castle Rock</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Financial Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Andrew</firstName>
                <lastName>Kaplan</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 6th Street</street1>
                <street2>Suite 401</street2>
                <city>Castle Rock</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Eric</firstName>
                <lastName>So</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 6th Street</street1>
                <street2>Suite 401</street2>
                <city>Castle Rock</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jason</firstName>
                <lastName>Les</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>202 6th Street</street1>
                <street2>Suite 401</street2>
                <city>Castle Rock</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2017-12-21</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>37037528</totalOfferingAmount>
            <totalAmountSold>37037528</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>32</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>500000</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Financial Advisory Fee to Canaccord Genuity Inc.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Riot Blockchain, Inc.</issuerName>
                <signatureName>/s/ Jeffrey G. McGonegal</signatureName>
                <nameOfSigner>Jeffrey G. McGonegal</nameOfSigner>
                <signatureTitle>Chief Financial Officer</signatureTitle>
                <signatureDate>2017-12-27</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
