faultline
Start auditing

The testing lab

QA challenges — page 2

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

24 challengesPage 2 of 2
All challengesCommerce5Fintech19

Browse by website

Pick the build you want to audit

4 live sites
NSNorthstar SupplyCommerce · 5 challengesMBMeridian BankFintech · 6 challengesCChainVaultFintech · 6 challengesTMTickr MarketsFintech · 7 challenges

Showing 13–24 of 24 challenges

Page 2 / 2

Live scenarioHardChainVaultFintech

Swap Integrity & Slippage - Level 2

Quotes, slippage, retries and responsive actions. Verify the swap executes at the terms the customer reviewed.

Start audit
25 min timebox5 injected faults500 points availablePreview build
C

Portfolio balances, live swap quotes, network fees, slippage controls, activity history and security settings. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumChainVaultFintech

Address Book & Activity - Level 3

Address validation, duplicate sends, activity filters and portfolio reporting across networks.

Start audit
20 min timebox5 injected faults500 points availablePreview build
C

Portfolio balances, live swap quotes, network fees, slippage controls, activity history and security settings. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioHardChainVaultFintech

Portfolio Reporting - Level 4

A reporting-focused audit: balances, token precision, activity filters, withdrawal limits and mobile review actions.

Start audit
25 min timebox5 injected faults500 points availablePreview build
C

Portfolio balances, live swap quotes, network fees, slippage controls, activity history and security settings. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioHardChainVaultFintech

Withdrawal Limits - Level 5

Balance checks, negative amounts, limits, duplicate sends and failure handling under retry pressure.

Start audit
30 min timebox5 injected faults500 points availablePreview build
C

Portfolio balances, live swap quotes, network fees, slippage controls, activity history and security settings. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumChainVaultFintech

Security & Settings - Level 6

Security toggles, address validation, activity filters and mobile confirmations — the settings that protect a wallet.

Start audit
20 min timebox5 injected faults500 points availablePreview build
C

Portfolio balances, live swap quotes, network fees, slippage controls, activity history and security settings. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumTickr MarketsFintech

Order Ticket Audit - Level 1

Audit Tickr Markets' order ticket. Verify quantities, limit prices, retries and the confirmation state.

Start audit
25 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioHardTickr MarketsFintech

Positions & P&L - Level 2

Position quantities, P&L precision, market hours and watchlist filtering after fills.

Start audit
25 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumTickr MarketsFintech

Market Data Audit - Level 3

Stale quotes, watchlist filters, price precision, position quantities and responsive order actions.

Start audit
20 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioHardTickr MarketsFintech

Order Types & Blotter - Level 4

Order-type defaults, limit validation, market hours, duplicate orders and confirmation accuracy.

Start audit
25 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioHardTickr MarketsFintech

Risk Limits - Level 5

A risk-focused audit: quantities, buying-power limits, retries, silent rejections and stale positions.

Start audit
30 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumTickr MarketsFintech

Portfolio Reporting - Level 6

P&L precision, position quantities, watchlist filters, price precision and mobile order actions.

Start audit
20 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready
Live scenarioMediumTickr MarketsFintech

Session Defaults & Confirmation - Level 7

Default order type, confirmation accuracy, positions, rejected orders and a final responsive pass.

Start audit
20 min timebox5 injected faults500 points availablePreview build
TM

Watchlist, SVG price chart, market and limit orders, positions, P&L and an order blotter. Wired with deterministic data-testid hooks.

Automation-ready