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Lattice1 at EthDenver ‘22: Don’t call it a comeback
The GridPlus team was thrilled to return to EthDenver. In fact, we made a point to participate in as many ways as our team could: we were a Meta-tier sponsor; provided up to $5000 in bounties for both in-person and virtual hackers; managed one of the most swag-packed event booths; and discussed Phonon and the future of blockchains and cryptocurrency on a scalability panel.
At our booth, we were able to connect with attendees throughout the week with a Lattice1 demo. This interactive experience was a mobile-friendly web3 application which paired to a Lattice1. Within seconds, any confusion around what it’s like to use the most secure, most enjoyable hardware wallet in real-time was erased. Attendees could sign messages, transfer currency, and interact with smart contracts on a programmable blockchain using the Lattice1’s crisp 5" touch-sensitive display.
Seeing the connection
The demo shows how flexible and responsive the Lattice1 hardware wallet is in everyday use. It’s a custom-built React application which uses our open-source GridPlus SDK, and is fully self-contained; it operates independently from any external browser extension or physical tether (even if it is capable of syncing to MetaMask or Frame).
Like every web3-enabled website, the first step is connecting a wallet. From their mobile device, an attendee taps on “Connect to Lattice1” to initiate a connection, and within a few seconds communication to the Lattice1 is established. The application can then send a request to the device for a list of public wallet addresses and subsequently query the blockchain, using those addresses, for typical information such as account balances and ENS names.
Easy as 1, 2…web3
As routine as transferring ETH to another wallet might seem, the Lattice1 demonstrated a new level of intuitiveness, leading to a profound realization for most. After a single tap to initiate the setup, attendees could choose from tasks that are often prohibitively difficult to understand when using other hardware wallet technologies. By contrast, it “just worked” on the Lattice1, and without any confusion as to what was happening.
For example, if a user tapped, “Sign Message,” the Lattice1 immediately displays a human-readable message preview to be certain that what’s being signed matches expectations.
Similarly, sending currency, in this case ETH, to another address gives users the chance to review important information. Additionally, the Lattice1 platform allows for tag addresses, which lets users replace hex-strings with their own custom labels.
The smart contract interaction was the centerpiece of the demo, and demonstrated how convenient it is to make calls to programmable blockchains, such as Ethereum. The demo showcased the contract’s address in plain-text, as well as the function call and the value of the argument being passed into the function.
The Lattice1 is yours
When customers purchase the Lattice1, they do so with the expectation that it is intended to be theirs. The demo leverages our many open-source projects, specifically the GridPlus SDK to connect with the device, and the lattice-connect backend to route requests from applications to the device.
GridPlus SDK
This SDK is designed to facilitate communication with a user's Lattice1 hardware wallet. Once paired to a given Lattice, an instance of the SDK is used to make encrypted requests for things like getting addresses/public keys and making signatures.
Lattice Connect
Conclusions
When GridPlus set out to design a secure digital wallet platform, we were conscious of how inflexible many of the existing solutions were. And instead of conceding to challenges inherent in physically untethering a device, we met the problem head on.
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