Device-backed storage support varies by platform; signing keys may be decrypted locally for signing. No backend custody.
LUMO · BACKEND ARCHITECTURE
One coordination layer. Clear responsibilities.
The API connects wallet users to data, application services and external providers.
APP REQUESTSBACKEND SERVICES · EC2DATA / THIRD PARTIESrequestrecordsdataAPI callresponseLumo appWallet & operation contextResponse to appData, quote or service statusValidate & authorizeWallet proof · input checksService coordinationWallet · provider · businessMongoDBApplication & business dataBlockchain / indexerBalances · historyProvider APIsExternal service execution
The backend never needs the user’s private key. Wallet and admin sessions are separate.
LUMO · SEND & RECEIVE CRYPTO
From your wallet. To theirs. With confidence.
Send crypto to any compatible wallet address—or receive with an address and QR code. Every transfer stays under the user’s control.
SENDER · LUMO APP
Your wallet
Choose asset & network Enter address or scan QR
Review → approve → sign locally
BLOCKCHAIN NETWORK
Transfer & confirmation
Signed transaction is broadcast Network confirms the transfer
Network fee shown before approval
RECIPIENT · COMPATIBLE WALLET
Their wallet
Crypto arrives on the selected blockchain network
Recipient does not need Lumo
Signed transaction→
On-chain delivery→
RECEIVING IS SIMPLESelect network → share address or QR → track incoming fundsIllustrative QR only. Always use the address and network shown in the live app.
✓Clear transaction status
Built-in checks: valid destination · correct network · sufficient funds including fees · confirmation before signing. Some chains require a destination tag or memo.
LUMO · CHANGENOW SWAP FLOW
From one asset to another.
ChangeNOW is the third-party swap provider. The app remains responsible for wallet approval and signing.
For your project, we bring hands-on wallet experience, end-to-end delivery ownership and a clear approach to building AI-assisted transactions with user approval.
OUR SOLUTION FOR YOU · AI TRANSACTION FLOW
Natural conversation. Confident user control.
Our solution makes everyday wallet tasks simpler while keeping you and your users in control of every transaction.
User trust is built into the flow: validate independently, show exact transaction details, require approval again if they change, and sign only on the device.
OUR SOLUTION FOR YOU · USER SAFEGUARDS
Earn trust. Through predictable behavior.
We build clear safeguards into your wallet, so users know what happens next—even when a request is ambiguous, a quote changes or a provider is unavailable.
REQUEST / SERVICE RISKSOUR VALIDATION & SAFEGUARDSPREDICTABLE USER EXPERIENCEcheckconstrainhandleresolveapproveinformAmbiguous actionWrong recipient / networkUntrusted contentPrompt manipulationProvider disruptionExpired quote / downtimeResolve & validateContact · chain · token checksConstrained AI actionsAllowlist + independent validationStatus & reconciliationRefresh · controlled retryReview exact detailsUser understands the actionExplicit user approvalNo silent signingClear next stepPending / retry / recovery
Start together: confirm the launch chains, target devices, AI action scope and provider coverage. Then agree milestones, acceptance criteria and the independent security review.
PART 03 · SEE THE PRODUCT
See what we built. Let’s shape what comes next.
Explore Lumo across platforms, then align on the scope and delivery plan for your wallet.
Lumo illustrates our wallet development experience. Our solution for you will be tailored to your launch markets, supported chains and target devices. Architecture diagrams show the intended service responsibilities; the final integration design and provider coverage will be agreed during project scoping.