v3.26.1
Document and Entity Information - shares
 3 Months Ended
Jun. 30, 2026
Jul. 31, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name T. Rowe Price Active Crypto ETF  
Entity Central Index Key 0002089855  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity File Number 001-43363  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 39-4422405  
Entity Address, Address Line One c/o T. Rowe Price Associates, Inc.  
Entity Address, Address Line Two 1307 Point Street  
Entity Address, City or Town Baltimore  
Entity Address, State or Province MD  
Entity Address, Postal Zip Code 21231  
City Area Code 410  
Local Phone Number 345-2000  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Document Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Shares  
Trading Symbol TKNZ  
Security Exchange Name NYSEArca  
Entity Common Stock, Shares Outstanding   650,000