Keyring overhaul - take #1

[jgimeno]

Closes: #XXX

Description

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[alexanderbez]

@jgimeno just a heads up, next time try and create a PR as a Draft please 👍

[jgimeno]

yeah! It was supposed to be a super short PR merged to alessio's branch.

[codecov]

Codecov Report

Merging #5879 into alessio/new-keyring-interface will not change coverage by %.
The diff coverage is n/a.

@@                      Coverage Diff                       @@
##           alessio/new-keyring-interface    #5879   +/-   ##
==============================================================
  Coverage                          57.05%   57.05%           
==============================================================
  Files                                344      344           
  Lines                              20329    20329           
==============================================================
  Hits                               11599    11599           
  Misses                              7841     7841           
  Partials                             889      889