LinkCash

Every scenario DeepQA drove in the browser, in plan order, with the 22 screenshots it captured along the way. A passing scenario is evidence too.

1. S1

   Landing page loads and displays onchain feed

   2 steps, 1 screenshot

   high✓ pass

   

   • Landing page loaded successfully showing summary metrics (232+ gifts claimed, $7.3K+ USDC gifted) and the latest 10 onchain events with links to ArcScan.
   • The landing page loads cleanly without errors.
   • Summary metrics are displayed including time to first claim (<60s), gas for recipient ($0.00), gifts claimed (232+), and USDC gifted ($7.3K+).
   • The live onchain feed renders 10 recent transactions with event type tags (Claimed, Funded), shortened transaction hashes, and outbound links to the ArcScan testnet block explorer.
2. S2

   Auth gate prompts for sign-in on /create

   3 steps, 2 screenshots

   high✓ pass

   

   

   • Navigated to home page and prepared to click Send USDC to test auth gating on /create.
   • Navigated to /create and verified that the page requires authentication with Sign in with Google and Continue with email options, hiding the creation form.
   • When visiting /create via 'Send USDC →', the application prompts the user with an authentication gate displaying 'Sign in with Google' and 'Continue with email'.
   • The gift creation form is not exposed to unauthenticated users.
3. S3

   Auth gate prompts for sign-in on /request

   3 steps, 2 screenshots

   high✓ pass

   

   

   • Navigated to LinkCash home page and viewed landing options.
   • Navigated to /request and observed the auth gate requiring sign-in via Google or email before creating payment requests.
   • Unauthenticated visitors navigating to /request are presented with an authentication gate ('Sign in so we know where to send the payment.') offering Google and email sign-in options, successfully preventing access to the payment request creation form without an active session.
4. S4

   Email sign-in form prevents empty submission

   4 steps, 2 screenshots

   high✓ pass

   

   

   • Navigated to /create and observed that the 'Continue with email' button is disabled when the email input field is empty.
   • Pressing Enter on the empty email textbox did not submit the form or dispatch an OTP, and the submit button remained disabled.
   • The email sign-in form at /create disables the 'Continue with email' submit button when the email input field is empty.
   • Attempting to submit or press Enter in the empty email input does not dispatch an OTP or navigate away.
5. S5

   Email sign-in form rejects invalid email formats

   4 steps, 3 screenshots

   high✓ pass

   

   

   

   • Navigated to /create where the sign-in form is displayed with an email input and a disabled Continue with email button.
   • Entered 'invalid.email-format' into the email input field, which enabled the Continue with email button.
   • The email input field uses type='email' within a form element.
   • Entering 'invalid.email-format' and clicking 'Continue with email' or pressing Enter triggers HTML5 form email validation, cleanly preventing form submission and not attempting to send an OTP or proceed.
6. S6

   Valid email submission initiates OTP dispatch

   4 steps, 2 screenshots

   high✕ fail

   

   

   • Navigated to /create page showing sign in options with Google and email.
   • Entered tester@example.com in the email input field.
   • Navigated to https://linkcash.app/create where email and Google authentication forms are displayed.
   • Entered 'tester@example.com' into the email input field and clicked 'Continue with email'.
   • Application displayed an error message: "Couldn't send a code to this email provider right now. Try Gmail, or sign in with Google instead." and failed to dispatch an OTP or transition to an OTP entry screen.
   • Attempted with 'tester@example.com' as suggested, but the button showed 'Sending code…' temporarily before resetting back to 'Continue with email' without transitioning to an OTP screen.
7. S7

   Verify 'How LinkCash works' modal functionality

   3 steps, 2 screenshots

   medium✓ pass

   

   

   • Clicked 'How LinkCash works' button on the landing page header and observed the modal render with sections explaining sending, link architecture, claiming, gas payment, verification, wallet viewing, and sign-in.
   • Navigated to https://linkcash.app/ and clicked 'How LinkCash works' in the navigation bar.
   • The 'How LinkCash works' modal rendered properly with comprehensive explanations covering sending gifts, link structure and security, claiming process, gas relaying, transaction verification, wallet management, and authentication flow.
8. S8

   Navigation menu opens and displays app sections

   3 steps, 4 screenshots

   medium✓ pass

   

   

   

   

   • Loaded the homepage at https://linkcash.app/ where header navigation displays How it works, Roadmap, Request, and Send USDC links.
   • Clicked the Menu button and verified the menu expanded displaying Send (Gift, Bulk gifts, Campaign, My campaigns), Receive (Request payment, My requests), and Account (My wallet, Dashboard, Product site) sections.
   • The application navigation menu opens properly upon clicking the Menu button.
   • The opened menu displays all expected sections including Send (Gift, Bulk gifts, Campaign, My campaigns), Receive (Request payment, My requests), and Account (My wallet, Dashboard, Product site), as well as a Home link.
   • Selecting an item from the menu successfully routes to the target destination (/request).
9. S9

   Auth gate restricts access to bulk creation

   2 steps, 1 screenshot

   medium✓ pass

   

   • Navigated directly to /bulk and observed the authentication gate presenting 'Sign in to create bulk gifts' with Google and email options.
   • Navigating directly to /bulk displays an authentication gate requiring the user to sign in before accessing the bulk gift creation interface.
   • Sign-in options via Google and email are presented, and unauthenticated users cannot access bulk gift creation controls.
10. S10

    Auth gate restricts access to new campaigns

    2 steps, 1 screenshot

    medium✓ pass

    

    • Navigated directly to /campaign/new without an active session and observed an authentication gate prompting to sign in with Google or email.
    • Navigating directly to /campaign/new without an active session displays the sign-in requirement screen with Google and email login options, successfully restricting unauthenticated campaign creation.
11. S11

    Auth gate restricts access to sender dashboard

    2 steps, 1 screenshot

    medium✓ pass

    

    • Navigated directly to /gifts while unauthenticated and observed the sign-in prompt (Google and email sign-in options) gating sender gift data.
    • Navigating directly to https://linkcash.app/gifts while unauthenticated presents the user with a sign-in screen offering Google and email authentication options before any user data can be accessed.
12. S12

    Auth gate restricts access to wallet details

    2 steps, 1 screenshot

    medium✓ pass

    

    • Navigated directly to /wallet while unauthenticated and observed a sign-in screen with Google and email login options, restricting access to wallet details.
    • Navigating directly to /wallet without an active session displays the sign-in screen requiring Google or email authentication before accessing any wallet details or balances.

Findings that survived the Critic's audit. Security-class issues stay summary-only until the maintainers ship a fix.

highconfirmed ✓functionalF1 · S6

Email OTP submission rejects standard email domain and fails to transition to verification screen

Navigated to https://linkcash.app/create, typed 'tester@example.com' into the email input field, and clicked the 'Continue with email' button. The application displayed the error message "Couldn't send a code to this email provider right now. Try Gmail, or sign in with Google instead." rather than transitioning to the verification screen. The page reported 3 console errors during the scenario.

Expected

The application should dispatch an OTP verification code and transition to an OTP entry screen.

Actual

The application fails to proceed and displays 'Couldn't send a code to this email provider right now. Try Gmail, or sign in with Google instead.'

Repro · 4 steps

1. Navigate to https://linkcash.app/create
2. Type 'tester@example.com' into the 'your@email.com' input field
3. Click the 'Continue with email' button
4. Observe the application state

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