v3.25.2

Cover	Oct. 01, 2025
Document Type	8-K
Amendment Flag	false
Document Period End Date	Oct. 01, 2025
Entity File Number	001-40729
Entity Registrant Name	MYSEUM, INC.
Entity Central Index Key	0001648960
Entity Tax Identification Number	47-2502264
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	65 Church Street
Entity Address, Address Line Two	Suite 230
Entity Address, City or Town	New Brunswick
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08901
City Area Code	732
Local Phone Number	374-3529
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Information, Former Legal or Registered Name	DatChat, Inc.
Common Stock, $0.0001 par value
Title of 12(b) Security	Common Stock, $0.0001 par value
Trading Symbol	MYSE
Security Exchange Name	NASDAQ
Series A Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $49.80
Title of 12(b) Security	Series A Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $49.80
Trading Symbol	MYSEW
Security Exchange Name	NASDAQ

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Address Line 1 such as Attn, Building Name, Street Name

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Address Line 2 such as Street or Suite number

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Name of the City or Town

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Name of the state or province.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Two-character EDGAR code representing the state or country of incorporation.

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Former Legal or Registered Name of an entity

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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Trading symbol of an instrument as listed on an exchange.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Myseum, Inc. 8-K