faultline

The testing lab

QA challenges

Hands-on audits across live banking, crypto, trading and commerce builds. Every challenge has a hidden answer key, deterministic scoring, and evidence tracking.

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4 live sites

Showing 1–6 of 6 challenges

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Live scenarioMediumMeridian BankFintech

Transfer & Balance Audit - Level 1

Audit Meridian Bank's transfer journey. Verify amounts, balances, duplicate submissions and the confirmation state.

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25 min timebox5 injected faults500 points availablePreview build
MB

Balance cards, a three-step transfer wizard, payee management, statements and alert preferences. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumMeridian BankFintech

Payee Integrity & Limits - Level 2

Payees, transfer limits and statement filters. Check that the bank validates the destination before it moves money.

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20 min timebox5 injected faults500 points availablePreview build
MB

Balance cards, a three-step transfer wizard, payee management, statements and alert preferences. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumMeridian BankFintech

Statements & Fees Audit - Level 3

Reconcile statements, transfer fees and rounding. The ledger must agree with every displayed total.

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25 min timebox5 injected faults500 points availablePreview build
MB

Balance cards, a three-step transfer wizard, payee management, statements and alert preferences. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioHardMeridian BankFintech

Limits & Fees - Level 4

A hard audit of transfer limits, fee handling, negative amounts and failure states under retry pressure.

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25 min timebox5 injected faults500 points availablePreview build
MB

Balance cards, a three-step transfer wizard, payee management, statements and alert preferences. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumMeridian BankFintech

Profile & Alerts Audit - Level 5

Profile validation, alert preferences, payees and mobile transfer actions — the account settings that quietly affect payments.

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20 min timebox5 injected faults500 points availablePreview build
MB

Balance cards, a three-step transfer wizard, payee management, statements and alert preferences. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumMeridian BankFintech

Alerts, Profile & Statements - Level 6

A settings-heavy audit: alert persistence, profile validation, statement filters, responsive actions and receipt accuracy.

Start audit
20 min timebox5 injected faults500 points availablePreview build
MB

Balance cards, a three-step transfer wizard, payee management, statements and alert preferences. Wired with deterministic data-testid hooks.

Automation-ready