Exhibit 8.1
X3 Holdings Co., Ltd.
Subsidiaries of the Registrant
| Name of Subsidiary | Jurisdiction of Incorporation or Organization | |
| Powerbridge Holdings Limited | Hong Kong | |
| Powerbridge Digital Trade (HK) Co., Limited | Hong Kong | |
| Hong Kong Anxin Jieda Co., Ltd. | Hong Kong | |
| Hongding Technology Co., Limited | Hong Kong | |
| SmartConn Co., Limited | Hong Kong | |
| Hongxi Data Technology Co., Ltd. | Macau | |
| Powercrypto Inc. | United States | |
| X3 Technologies Pte, Ltd. | Singapore | |
| Powercrypto Holdings Pte, Ltd. | Singapore | |
| X3 HOLDINGS PTE. LTD. | Singapore | |
| Metafusion Digital Co., Ltd. | People’s Republic of China | |
| Ningbo Zhijing Tongfu Technology Co., Ltd. | People’s Republic of China | |
| Powerbridge Technologies Group Co., Ltd | People’s Republic of China | |
| Powermeta Digital Co., Ltd. | People’s Republic of China | |
| Powerstream Supply Chain Co., Ltd. | People’s Republic of China | |
| Shanghai Stamp Technology Co., Ltd. | People’s Republic of China | |
| Ascendent Insights Education Co., Ltd. | People’s Republic of China | |
| Zhuhai Hongyang Supply Chain Co., Ltd. | People’s Republic of China | |
| Xingtai Ningyao Technology Co., Ltd. | People’s Republic of China |