v3.25.2
Cover
Aug. 21, 2025
Aug. 19, 2025
Cover [Abstract]    
Document Type 8-K  
Amendment Flag false  
Document Period End Date   Aug. 21, 2025
Entity File Number 000-56340  
Entity Registrant Name C2 Blockchain, Inc.  
Entity Central Index Key 0001882781  
Entity Tax Identification Number 87-2645378  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 12818 SW 8th St Unit #2008  
Entity Address, City or Town Miami  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33184  
City Area Code 888  
Local Phone Number 437-3432  
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