Exhibit 21.1
Subsidiaries of Circle Internet Group, Inc.
| Name of Subsidiary | Jurisdiction of Organization | |
| Hashnote Holdings LLC | Delaware | |
| Circle Internet Contract Services LLC | Delaware | |
| Circle Internet Financial Limited | Ireland | |
| Circle Internet Management Services LLC | Delaware | |
| Circle Internet Distribution LLC | Delaware | |
| Hashnote Management LLC | Delaware | |
| Circle International Bermuda Limited | Bermuda | |
| Hashnote International Management LLC | Cayman Islands | |
| Hashnote Associates LLC | Delaware | |
| Hashnote International Short Duration Yield Fund Ltd. | Cayman Islands | |
| Circle Internet MEA Ltd. | Abu Dhabi | |
| Circle Japan KK | Japan | |
| Circle SBI Japan K.K. | Japan | |
| Circle Internet Singapore Pte Ltd. | Singapore | |
| Circle Internet Finance Cayman Limited | Cayman Islands | |
| Circle Internet Holdings, Inc. | Delaware | |
| Circle Internet International Canada Limited | Canada | |
| Circle Internet Financial Europe SAS | France | |
| Circle IF Jersey Limited | Jersey | |
| Cybavo Pte. Ltd. | Singapore | |
| Circle Internet Financial Trading Company Limited | Ireland | |
| Circle CYMN Limited | Cayman Islands | |
| Circle Ventures | Cayman Islands | |
| Pluto Holdings, LLC | Delaware | |
| Project 7 Merger Sub 2 Inc. | Delaware | |
| Circle Internet Financial LLC | Delaware | |
| Circle Technology Services, LLC | Delaware | |
| CYBAVO Inc. | Taiwan | |
| Circle UK Trading Limited | United Kingdom | |
| Circle CYMN HK Limited | Hong Kong | |
| Yorix, LLC | Delaware | |
| SI Advisors I, LLC | Delaware | |
| SI Securities, LLC | Delaware | |
| Circle Payments, LLC | Delaware | |
| Circle Trade Europe Limited | United Kingdom | |