XML 22 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Document and Entity Information - shares
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Document Information    
Document Type 20-F  
Document Registration Statement false  
Document Annual Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Document Shell Company Report false  
Securities Act File Number 001-38857  
Entity Registrant Name Bit Origin Ltd  
Entity Incorporation, State or Country Code E9  
Entity Address, Address Line One 160 Robinson Road  
Entity Address, Address Line Two 12F, SBF Center  
Entity Address, Country SG  
Entity Address, Postal Zip Code 068914  
Title of 12(g) Security Class A Ordinary Shares, par value $0.000001 per share  
Trading Symbol BTOG  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding 58,211,111  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Document Financial Statement Error Correction [Flag] false  
Document Accounting Standard U.S. GAAP  
Entity Shell Company false  
Entity Central Index Key 0001735556  
Current Fiscal Year End Date --06-30  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus FY  
Amendment Flag false  
Auditor Name HTL International, LLC WWC, P.C.
Auditor Firm ID 7000 1171
Auditor Location Houston, Texas San Mateo, California
Business Contact    
Document Information    
Entity Address, Address Line One 160 Robinson Road  
Entity Address, Address Line Two 12F, SBF Center  
Entity Address, Country SG  
Entity Address, Postal Zip Code 068914  
Contact Personnel Name Jinghai Jiang  
City Area Code 347  
Contact Personnel Email Address jiang.jh@bitorigin.io  
Local Phone Number 556-4747