v3.26.1
Cover
Mar. 09, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 09, 2026
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