| Cover | Jun. 15, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | ZERIFY, INC. |
| Entity Central Index Key | 0001285543 |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Current Fiscal Year End Date | --12-31 |
| Entity Emerging Growth Company | false |
| Document Period End Date | Jun. 15, 2022 |
| Entity File Number | 000-55012 |
| Entity Incorporation State Country Code | WY |
| Entity Tax Identification Number | 22-3827597 |
| Entity Address Address Line 1 | 1090 King Georges Post Road |
| Entity Address Address Line 2 | Suite 603 |
| Entity Address City Or Town | Edison |
| Entity Address State Or Province | NJ |
| Entity Address Postal Zip Code | 08837 |
| City Area Code | 732 |
| Amendment Description | true |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Local Phone Number | 661 9641 |
| Security 12b Title | Common Stock, $0.0001 par value |
| Trading Symbol | ZRFY |
