Overview
Monei provides a unified custodial wallet that is automatically created when you sign up. This single wallet contains multiple subwallets for different assets and chains, giving you one interface to manage fiat, EVM tokens, and Solana assets. What you’ll learn:- How the unified wallet works
- Understanding subwallets
- Viewing balances and portfolios
- Managing transactions across chains
Unified Wallet Architecture
When you create a Monei account, you automatically get one unified wallet that contains:Fiat Subwallet
Nigerian Naira balance with virtual account for deposits
EVM Subwallet
Single address for all EVM chains (Ethereum, BSC, Polygon, etc.)
Solana Subwallet
Solana address for SOL and SPL tokens
Key Characteristics
- Custodial
- Programmable
- Multi-Chain
Monei manages the private keys
- No seed phrases to manage
- Built-in security measures
- Recovery through KYC verification
- Insurance coverage
- Hardware security modules (HSM)
Getting Your Wallet
Your wallet is automatically created when you sign up. Access it via the API:Fiat Subwallet (Naira)
Your Naira balance with a virtual bank account for easy deposits.Virtual Account
Naira Operations
EVM Subwallet
One address for all EVM chains - Ethereum, BSC, Polygon, Base, Arbitrum, Optimism, Scroll, Lisk, and Starknet.Get EVM Portfolio
Get Supported Networks
Send EVM Tokens
Solana Subwallet
Your Solana address for SOL and SPL tokens.Get Solana Portfolio
Send Solana Tokens
Wallet Security
Custodial Security
Custodial Security
How Monei protects your assets:
- Private keys stored in Hardware Security Modules (HSM)
- Multi-signature protection for large transactions
- Encrypted at rest and in transit
- Regular security audits
- Insurance coverage
- KYC-based recovery system
API Key Security
API Key Security
Protect your API keys:
- Store in environment variables
- Never commit to version control
- Use different keys for dev/prod
- Rotate keys every 90 days
- Monitor key usage
- Set IP whitelisting (enterprise)
Transaction Security
Transaction Security
Additional protection layers:
- Transaction PIN for withdrawals
- KYC tier limits (₦200K-₦2M daily)
- Two-factor authentication
- Webhook notifications
- Real-time monitoring
- Fraud detection
Recovery
Recovery
Account recovery options:
- Email/phone verification
- KYC document verification
- Support team assistance
- Multi-device access
Because Monei is custodial, you can recover access through KYC verification even if you lose your credentials.
Understanding Subwallet Types
| Subwallet Type | Chain | Purpose | Key Feature |
|---|---|---|---|
| FIAT | None | Naira storage | Virtual bank account |
| CRYPTO (EVM) | EVM | Multi-chain tokens | Same address across 9+ chains |
| CRYPTO (SOLANA) | Solana | SOL & SPL tokens | Separate Solana address |
All subwallets are part of your single unified wallet. You don’t create or delete subwallets - they’re automatically available.
Common Operations
Check Balances
View balances across all chains and currencies in one API call
Send Transactions
Send fiat, native tokens, or ERC-20/SPL tokens programmatically
Receive Payments
Share your addresses or virtual account to receive payments
Portfolio Tracking
Monitor portfolio value and token balances across all chains
Best Practices
Security First
Security First
- Never share API keys
- Use transaction PINs for withdrawals
- Enable 2FA for your account
- Monitor transaction history regularly
- Set up webhook notifications
Network Selection
Network Selection
- Use low-fee networks for small transactions (Polygon, BSC)
- Consider confirmation time vs. cost
- Verify recipient network before sending
- Check gas prices before transactions
Balance Management
Balance Management
- Keep minimum balance for gas fees
- Monitor KYC tier limits
- Spread assets across networks as needed
- Regular balance reconciliation
Next Steps
Transactions
Learn how to manage and track transactions
Networks
Understand supported blockchain networks
Naira Wallet Operations
Deep dive into fiat wallet management
EVM Operations
Complete EVM wallet operations guide

