v3.25.2
Cover
Sep. 08, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 08, 2025
Entity File Number 001-41047
Entity Registrant Name Chain Bridge I
Entity Central Index Key 0001845149
Entity Tax Identification Number 98-1578955
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 8 The Green #17538
Entity Address, City or Town Dover
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19901
City Area Code 202
Local Phone Number 656-4257
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
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol CBRRF
Units, each consisting of one Class A ordinary share and one-half of one redeemable Warrant to acquire one Class A ordinary share  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-half of one redeemable Warrant to acquire one Class A ordinary share
Trading Symbol CBGGF
Warrants to purchase Class A Ordinary Shares  
Title of 12(b) Security Warrants to purchase Class A Ordinary Shares
Trading Symbol CBRGF