LedgerKit

Problem Statement

LedgerKit.dev is a browser-based tool designed to help users and developers manage their Ledger assets in one place — no app downloads required.With LedgerKit.dev, users can:Send & receive tokens across supported blockchains.Experience clear signing firsthand, understanding how secure transaction approval works with their Ledger device.Explore ERC-7730 features, including generating formats and browsing pull requests related to the standard. The ERC-7730 registry dashboard lets users search, filter, and check merged PRs, closed PRS etc to better understand the proposal lifecycle.For developers, LedgerKit.dev is also a day-to-day testing playground:Experiment with signing and integration flows.Test transactions safely without extra setup.Leverage the ERC-7730 registry to build and learn from real proposals.🌐 Supported ChainsLedgerKit.dev currently supports 5 EVM chains (mainnet + testnet):Ethereum (Mainnet + Sepolia)PolygonBaseOptimismArbitrumAdditionally, Sui SDK integration is in active development, opening up multi-chain experimentation beyond EVM.

Solution

⚙️ How It’s MadeLedgerKit.dev is built as a web wallet tool with modern frameworks and Ledger’s developer SDKs at its core.🔨 Tech StackFramework: Next.js (App Router)UI: Shadcn/UI + TailwindCSSAPIs & Hooks: Custom React hooks for balances, NFTs, ENS, etc.🔑 Ledger & Partner TechnologiesLedger SDKs (DMK) for direct integration with Ledger hardware wallets.Ethereum Signer, Solana Signer, and Bitcoin Signer for handling transactions across chains.ERC-7730 registry integration, providing real-world data for developers to learn and test against.💡 Notable HacksUnified support for multiple chains (EVM + future Sui integration).Direct browser-based Ledger wallet testing without requiring Ledger Live downloads.A modular setup for adding new chains and standards quickly.