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.

7 challengesPage 1 of 1

Browse by website

Pick the build you want to audit

4 live sites

Showing 1–7 of 7 challenges

Page 1 / 1

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