Build payment method management with fallback chains and expiry tracking

[Smartdevs17]

Context

Payment methods need management with fallback chains for reliability.

Current Limitation

Payment methods are managed individually with no fallback.

Expected Outcome

• Payment method management
• Fallback chain configuration
• Expiry tracking and alerts
• Payment method analytics

Acceptance Criteria

• Payment method CRUD operations
• Fallback chain configuration
• Expiry tracking with alerts
• Payment method analytics
• Payment method verification
• Payment method sharing
• Payment method documentation

Technical Scope

• src/services/walletService.ts - Wallet service
• src/store/walletStore.ts - Wallet store
• src/screens/PaymentMethodsScreen.tsx - Payment methods UI
• backend/services/billing/ - Billing domain

[devsomto1]

@devsomto1 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello boss, Please assign this issue to me. I checked it out and I am confident I will solve it
my eta is 4 hours

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[GdAyo19]

@GdAyo19 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

I would like to work on this issue

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[Adjutant500]

@Adjutant500 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi Maintainer please I will like to work on this issue

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[distributed-nerd]

@distributed-nerd has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

can i work on this

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[drips-wave]

Congratulations, @distributed-nerd! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

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