# Design a P2P payments app. — Aced

Aced (formerly Exponent) publishes a public search API over its indexed pages; the guide is at https://www.aced.io/agents/agent-access.

Source: https://www.aced.io/questions/7434/design-p2p-payments-app
Source observed: 2026-11-05T00:21:13.983Z
Last checked: 2026-11-05T00:21:13.983+00:00
Indexed: 2026-11-06T23:31:31.403+00:00

---

# Design a P2P payments app.

We provide interview preparation through Aced, formerly Exponent. This question asks candidates to design a peer-to-peer payments application. It is listed as a **Product Design** interview question for a **Software Engineer** role and is associated with **Brex**. The question page records **1 interview** and shows “Reported last asked: 8 days ago.”

## Access and answering

Detailed company statistics are available through [Upgrade](https://www.aced.io/upgrade?src=questions). To answer, users must [log in or sign up](https://www.aced.io/signup?src=nav&returnPath=/questions/7434/design-p2p-payments-app); submitting an answer marks the question complete. Users can also [Practice with AI](https://www.aced.io/practice/ai/new?type=PM&question=design-p2p-payments-app&src=questions).

## Community answers

No answers have been contributed by the community yet.

## Related questions

- [Design a payment system.](https://www.aced.io/questions/2872/design-payment-system)
- [Design a voting app.](https://www.aced.io/questions/1867/design-voting-app)
- [Design an app for an amusement park.](https://www.aced.io/questions/1586/amusement-park-app-design)

## Related courses

### [Software Engineering Interview Prep](https://www.aced.io/courses/software-engineering)

![Software Engineering Interview Prep](https://images.ctfassets.net/x78yjrjc11pq/4VkuYewBHUFIVUS5oJDW5h/02e833439b1289f25f38f13f81cbdca3/adobe_stock_optimized.jpeg?w=800&h=800&fm=webp&q=75)

We help candidates prepare for software engineering roles at Google, Amazon, Microsoft, Meta, Apple, and other top companies. The course includes mock interviews, frameworks, and advice from senior candidates, with practice covering data structures, algorithms, system design, people management, behavioral interviews, and more.

### [System Design Interviews](https://www.aced.io/courses/system-design-interviews)

![System Design Interviews](https://images.ctfassets.net/x78yjrjc11pq/78x7miFZFjBCrM5GqftrMJ/2f6d26e632c4e7265c49f6a180227edb/system_design_track_compressed_26ac98a46e__281_29_5be2280f31.jpeg?w=800&h=800&fm=webp&q=75)

We teach candidates how to answer current system-design questions across product, infrastructure, and AI domains. The course includes in-depth video examples, written breakdowns, reference patterns, and mock-interview videos featuring senior engineers and managers.

## Aced learning areas

We offer interview courses and practice in Product Management, Forward Deployed Engineering, Engineering Management, Software Engineering, System Design, Data Science, Machine Learning, Data Engineering, AI Engineering, Investment Banking, Generative AI, Security Engineering, TPM, Solutions Architecture, UX / Product Design, and BizOps & Strategy. We also provide question collections, practice, coaching, resume review, salary negotiation, job referrals, resources, and business and university programs.

Key course links include [Product Management](https://www.aced.io/courses/pm?src=nav), [Forward Deployed](https://www.aced.io/courses/forward-deployed-engineering?src=nav), [Engineering Management](https://www.aced.io/courses/engineering-management?src=nav), [Software Engineering](https://www.aced.io/courses/software-engineering?src=nav), [System Design](https://www.aced.io/courses/system-design-interviews?src=nav), [Data Science](https://www.aced.io/courses/data-science?src=nav), [Machine Learning](https://www.aced.io/courses/ml-engineer?src=nav), and [Data Engineering](https://www.aced.io/courses/data-engineering?src=nav).

## Your answer

The page includes a “Your answer” section and a **Submit** control. Submitting marks the question complete.

---

[Read this page’s summary](https://www.aced.io/agents/api/public/v1/page-tldr?url=https%3A%2F%2Fwww.aced.io%2Fquestions%2F7434%2Fdesign-p2p-payments-app&trace=t_679ff9ab98f3)

## Ask a follow-up about this page

Need a more specific answer? Ask the exact question you have. It returns a fresh, cited answer from Aced (formerly Exponent)’s knowledge base. No account or API key required.

Open this URL with your own question, URL-encoded. Include your question in q. All research inputs are optional; no account or setup.

`GET https://www.aced.io/agents/agent/faq?q={question}&trace=t_679ff9ab98f3`

[Tool guide and examples](https://www.aced.io/agents/agent-access) · [OpenAPI](https://www.aced.io/agents/api/public/v1/openapi.json) · [Page TLDR form](https://www.aced.io/agents/agent-tools/page-tldr?url=https%3A%2F%2Fwww.aced.io%2Fquestions%2F7434%2Fdesign-p2p-payments-app). Opening a form does not execute a tool.