v3.25.3

Cover	Dec. 03, 2025
Document Type	8-K
Amendment Flag	false
Document Period End Date	Dec. 03, 2025
Entity File Number	001-42982
Entity Registrant Name	BITCOIN INFRASTRUCTURE ACQUISITION CORP LTD
Entity Central Index Key	0002082542
Entity Tax Identification Number	00-0000000
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	1200 N. Federal Hwy
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Boca Raton
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	733432
City Area Code	(212)
Local Phone Number	207-0090
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
Units, each consisting of one Class A ordinary share and one-half of one Redeemable Warrant
Title of 12(b) Security	Units, each consisting of one Class A ordinary share and one-half of one Redeemable Warrant
Trading Symbol	BIXIU
Security Exchange Name	NASDAQ
Class A ordinary share, par value $0.0001 per share
Title of 12(b) Security	Class A ordinary share, par value $0.0001 per share
Trading Symbol	BIXI
Security Exchange Name	NASDAQ
Redeemable Warrant - each warrant exercisable to purchase one Class A ordinary share at $11.50 per share
Title of 12(b) Security	Redeemable Warrant - each warrant exercisable to purchase one Class A ordinary share at $11.50 per share
Trading Symbol	BIXIW
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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Address Line 1 such as Attn, Building Name, Street Name

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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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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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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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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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Bitcoin Infrastructure Acquisition Corp Ltd 8-K