[Storage] Create Blacklisted Clip Storage

[Eniola3321]

Store nonces used for signature verification.

Acceptance Criteria
Save nonce
Increment nonce
Retrieve nonce

[GauravKarakoti]

@GauravKarakoti has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Allow me to work on this one

ℹ️ Repo Maintainers: To accept this application, review their application or assign @GauravKarakoti to this issue.

[oscar24357]

@oscar24357 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello maintainer, I would like to work on this issue, can you please assign me to it? Thank you.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @oscar24357 to this issue.

[Abdulmajeed82]

@Abdulmajeed82 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I would like to work on this issue...

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Abdulmajeed82 to this issue.

[drips-wave]

Congratulations, @Abdulmajeed82! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @Abdulmajeed82: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊