[Backend] -- Add Two-Factor Authentication (2FA)

[Devsol-01]

Description

Implement TOTP-based two-factor authentication for enhanced security.

Tasks

• Install speakeasy library
• Create 2FA setup endpoint
• Generate QR codes
• Implement verification endpoint
• Add backup codes
• Update login flow
• Add 2FA management endpoints

Acceptance Criteria

• Users can enable 2FA
• QR codes generated
• Verification works
• Backup codes provided

---

[Stephan-Thomas]

@Stephan-Thomas has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

hi, i would like to work on this.

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[Benalex8797]

@Benalex8797 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

i will like to work on this issue, please kindly assign to me

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[0xElyte]

@0xElyte has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I would love to resolve this fast

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[uche102]

@uche102 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I would like to work on this

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[dotmantissa]

@dotmantissa has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi 👋 I'm a full-stack developer
I will love to work on this issue please assign.

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[drips-wave]

Congratulations, @Benalex8797! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Benalex8797: 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.

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[drips-wave]

This issue has been completed by @Benalex8797 as part of the Stellar Wave Program's 5th Wave 🥳

😎 @Benalex8797: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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