CoinMe

Crypto exchange app

A secure, all-in-one wallet that lets anyone buy, sell, swap, and track digital assets in real time—because peace of mind is the most valuable coin.

As of 2022 the app is live on iOS and Android, trusted by thousands for its uncompromising focus on data integrity and portfolio-grade analytics.

Overview

CoinMe delivers banking-level security wrapped in an intuitive mobile experience:

• Multi-asset wallet supporting BTC, ETH, SOL, DOGE, USDC, and more

• Instant buy / sell / swap with live order-book pricing

• Cash on-ramp & off-ramp via MoneyGram® partner locations

• Advanced analytics with real-time P&L, cost-basis, and performance charts

• Enterprise-grade security (hardware-backed key encryption, 2FA, biometric unlock)

• Reactive UI built on RxSwift for buttery-smooth updates

Features

Wallet & Transactions

• One-tap Buy / Sell / Send / Receive flows for 25+ coins

• QR-code address sharing and phone-number remittances

• Cross-chain Swap modal with slippage control and fee preview

Cash Network Integration

• In-app map to the nearest MoneyGram outlet for cash deposits/withdrawals

• Dynamic limits & fees shown per location in real time

Portfolio Analytics

• Spark-line price charts (Day, Week, Month, Year, All)

• Asset allocation breakdown, realised vs. unrealised gains

• Push notifications for price alerts and large balance changes

Security & Compliance

• SOC 2 compliant backend, encrypted at rest & in transit

• Device-bound key vault with Secure Enclave key hardening

• KYC workflow with document scan & liveness check

Discover & Education

• Curated news feed and coin-explainers for emerging assets

• Beginner tutorials and risk disclosures surfaced contextually

Architecture

Clean Architecture with distinct Domain → UseCase → Data → UI layers.

Reactive flows orchestrated with RxSwift, while side-effect heavy tasks (networking, persistence, cryptography) are isolated in the Data layer. Dependency injection handled by Resolver for testability and modularity.

Tech Stack