This document describes how to issue and verify JWT tokens n a block coding method.

| No. | Function |
|---|---|
| 1 | Specify the Hash algorithm of Jwt Token. |
| 2 | Register Secret Key or Certificate for Jwt issuance. |
| 3 | Register Jwt's information (claim). |

| No. | Function |
|---|---|
| 1 | Specify the Hash algorithm of Jwt Token. |
| 2 | Register a Secret Key or certificate for Jwt verification. |
| 3 | Register Jwt's information (claim). |