DOM Wallet has introduced an update that allows users to access their portfolio and net worth information across devices through Internet Identity.
Previously tied to a single device, the Portfolio and The Ledger can now follow a user to another phone or laptop. After signing in with the same Internet Identity, users can access their holdings, transaction history and net worth without having to export or import data or create a separate account.
The update is built around privacy-focused encryption. DOM Wallet says portfolio information is encrypted in the user’s browser and linked to their identity before the encrypted data is stored on-chain. The wallet says it uses vetKeys for this process, meaning the underlying encryption keys are not exposed to individual nodes or the canister. ICP’s documentation describes vetKeys as a threshold key-derivation system in which raw derived keys are not held by any single node or canister.
Internet Identity provides the authentication layer. It is the Internet Computer’s native authentication system and allows users to sign in using passkeys or supported OpenID accounts rather than conventional passwords.
DOM Wallet says the first year of the cross-device portfolio service will be free. After that, continued synchronisation will cost 100 DOM per year, with the fee burned according to the project’s announcement. Users can continue reading their own portfolio data without an additional charge.
The portfolio tool is designed to cover a range of assets rather than focusing solely on digital tokens. Users can track BTC, ETH, shares, gold, cash, property and DOM, with performance views covering the current position, seven-day, 30-day and all-time periods.
The cross-device functionality addresses a practical problem with wallet-based financial tracking. Changing phones, using a laptop or accessing an account from another device does not require manually moving portfolio records when the information is tied to the user’s Internet Identity.
There are, however, important security considerations. The privacy model depends on the encryption and authentication mechanisms working as designed, as well as users maintaining control of their Internet Identity and associated authentication methods. ICP’s own documentation notes that Internet Identity security relies on assumptions including a trustworthy browser and secure delivery of the application.
For DOM Wallet, the update links portfolio management with the wider capabilities of the Internet Computer, using on-chain storage alongside client-side encryption rather than relying on a conventional centralised account database.
The annual DOM charge also introduces a token-based cost into the service. With the stated fee burned rather than paid to a conventional service provider, the update connects an everyday portfolio feature with DOM’s existing token supply mechanics.
For users, the main change is straightforward: sign in from another device and the same portfolio information is available without starting again. The approach gives DOM Wallet users a way to keep financial records accessible across devices while keeping the reported encryption process centred on the user’s browser and identity.
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