v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
Entity Addresses [Line Items]  
Document Type S-4/A
Amendment Flag true
Amendment Description Amendment No. 1
Entity Registrant Name Digital Asset Acquisition Corp.
Entity Central Index Key 0002052162
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 174 Nassau Street
Entity Address, Address Line Two Suite 2100
Entity Address, City or Town Princeton
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08542
City Area Code (609)
Local Phone Number 924-0759
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 174 Nassau Street
Entity Address, City or Town Princeton
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08542
City Area Code (609)
Local Phone Number 924-0759
Contact Personnel Name Peter Ort