Utilise Eddsa signature in the application

[biscuitdey]

Description

Related Issue

Motivation and Context

How Has This Been Tested

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Request to be added as a Code Owner/Maintainer

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• I commit to abide by the Responsibilities of Code Owners/Maintainers.

[biscuitdey]

Divided big request into smaller requests (4)