EXHIBIT 22.1
List of Issuers and Guarantor Subsidiaries
| Entity | Jurisdiction of Incorporation or Organization | 11.0% Promissory Note Due December 31, 2025 |
| RevenueZen LLC | Delaware | Issuer of the Note
Pledged security interest in all assets of RevenueZen LLC to secure the Note |
| Onfolio Holdings, Inc. | Delaware | Guarantor of the Note |
| Entity | Jurisdiction of Incorporation or Organization | 7.0% Promissory Note Due June 6, 2026 |
| DDS Rank LLC | Delaware | Issuer of the Note
Pledged security interest in all assets of DDS Rank, LLC to secure the Note |
| Onfolio Holdings, Inc. | Delaware | Guarantor of the Note |
| Entity | Jurisdiction of Incorporation or Organization | 8.0% Promissory Note Due February 1, 2025 |
| EASTERN STANDARD, LLC | Delaware | Issuer of the Note
Pledged security interest in all assets of EASTERN STANDARD, LLC to secure the Note |
| Onfolio Holdings, Inc. | Delaware | Guarantor of the Note |
| Entity | Jurisdiction of Incorporation or Organization | 8.0% Promissory Note Due October 1, 2026 |
| EASTERN STANDARD, LLC | Delaware | Issuer of the Note
Pledged security interest in all assets of EASTERN STANDARD, LLC to secure the Note |
| Onfolio Holdings, Inc. | Delaware | Guarantor of the Note |