Overview
HelloBob is a mobile-first cryptocurrency wallet that makes self-custody approachable. Users can hold, deposit, and withdraw crypto across multiple networks, swap coins in-app, and sell crypto for Nigerian Naira (NGN) directly to their bank account. Built around a verified-account model with KYC, 2FA, biometrics, and a 4-digit transaction PIN to keep funds safe at every step.
Key Features
- Multi-chain wallet (BTC, ETH, USDT, BNB, XRP and more)
- Deposit & withdraw across multiple networks (ERC-20, TRC-20, BEP-20…)
- In-app coin-to-coin swap with live quotes
- Sell crypto for Naira directly to a Nigerian bank account
- Send instantly to other HelloBob users by email or username
- KYC (NIN/BVN + selfie), 2FA, biometrics and 4-digit transaction PIN
- In-app chat with support and an AI trading bot
- Real-time portfolio, market prices and notifications
Tech Stack
Outcome
Self-custody crypto, made approachable for first-time users.
What it does
HelloBob gives users a single mobile app to manage their entire crypto journey — from buying and holding to sending, swapping, and cashing out to local currency.
- Hold, deposit and withdraw cryptocurrencies across multiple networks
- Swap one cryptocurrency for another with live, time-bound quotes
- Sell crypto and receive Nigerian Naira (NGN) to a saved bank account
- Send crypto instantly to other HelloBob users by email or username
- Track real-time market prices, portfolio value and 24h P&L
Security & verification
Every financial action is protected by a layered security model. KYC unlocks financial features and additional layers protect each transaction.
- Email + password sign-up with OTP email verification
- Device verification via 6-digit OTP for new devices
- Two-Factor Authentication (TOTP) with recovery codes
- Biometric App Lock (Face ID / Fingerprint)
- 4-digit Transaction PIN required to authorize withdrawals, swaps and sells
- Active Sessions screen to view and revoke devices remotely
- KYC Level 1 (NIN or BVN + selfie) and Level 2 (address + documents)
Wallet experience
The home screen is a portfolio dashboard built for clarity. Users see their total balance, P&L and individual coin holdings at a glance, with quick actions for the most common flows.
- Total portfolio balance in USD with hide/show toggle
- Per-coin balance, USD equivalent and 24h price change
- Quick actions: Withdraw, Deposit, Swap and Sell
- Coin detail screen with price chart and per-network status
- Real-time updates via WebSocket for balances, addresses and notifications
Deposits, withdrawals & internal transfers
HelloBob handles the messy parts of crypto — networks, addresses, memos and fees — and surfaces them clearly so users don't lose funds to common mistakes.
- QR code + copy-ready deposit address per coin and network
- Destination tag / memo support for coins like XRP, XLM and BNB
- Withdraw to external addresses with crypto or USD amount input
- Live network fee preview (flat or tiered) before confirming
- Send to another HelloBob user by email or username with zero network fees
- OTP / 2FA challenge plus PIN before any external withdrawal
Swap & P2P sell
Built-in swap and P2P sell flows let users move between assets and cash out without leaving the app.
- Coin-to-coin swap with a 5-minute locked quote and auto-refresh
- Sell crypto for Nigerian Naira at a live P2P rate
- Transparent 1% sell fee taken in coin units before NGN payout
- Saved bank accounts with quick add for new banks
- Transaction PIN authorization on every swap and sell
Chat, history & notifications
Support, history and updates all live inside the app, so users stay in one place.
- Full transaction history with filters: Deposits, Withdrawals, Swaps, Sold
- Pending / Success / Failed status with real-time socket updates
- Tap-through to a transaction explorer hash for on-chain proof
- In-app chat with a HelloBob AI trading bot and human support agents
- Categorised notifications: Chat, Transactions, KYC, Security, Promo