Create Challenge
| id | RC1 |
| layer | Transport |
| facade | ChallengesFacade |
| function | createChallenge |
| description | Create a signed challenge. |
| tech category | Challenges |
| status | DONE |
| actor | Identity |
| component | Runtime |
| priority | n/a |
| complexity | n/a |
| size | n/a |
| published | default |