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AppKit is now multichain. The architecture is designed to support both EVM and non-EVM blockchains. This will allow developers and projects to choose and configure multiple blockchain networks within their instance of AppKit, extending beyond just Ethereum-based (EVM) networks. Currently, AppKit supports two non-EVM networks, they are, Solana and Bitcoin.

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Installation

  • Wagmi + Solana
  • Wagmi + Bitcoin
  • Ethers5 + Solana
  • Ethers + Solana
  • Core
npm install @reown/appkit @reown/appkit-adapter-wagmi @reown/appkit-adapter-solana

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Integration

The AppKit instance allows you to support multiple chains by importing the respective chains, creating the respective network adapters and passing these within the createAppKit() function. Depending on the network adapter of your preference (Wagmi, Ethers, Ethers5), the integration may vary. Let’s look at what the integration will look like.
  • Wagmi + Solana
  • Wagmi + Bitcoin
  • Ethers + Solana
  • Ethers5 + Solana
  • Core
import { createAppKit } from '@reown/appkit'
import { SolanaAdapter } from '@reown/appkit-adapter-solana'
import { WagmiAdapter } from '@reown/appkit-adapter-wagmi'

import {
  mainnet,
  arbitrum,
  sepolia,
  solana,
  solanaTestnet,
  solanaDevnet,
} from "@reown/appkit/networks";
import type { AppKitNetwork } from "@reown/appkit/types";

const networks: [AppKitNetwork, ...AppKitNetwork[]] = [mainnet, arbitrum, sepolia, solana, solanaTestnet, solanaDevnet]

// 0. Get projectId from https://dashboard.reown.com
const projectId = 'YOUR_PROJECT_ID'

// 1. Create the Wagmi adapter
export const wagmiAdapter = new WagmiAdapter({
  ssr: true,
  projectId,
  networks
})

// 2. Create Solana adapter
const solanaWeb3JsAdapter = new SolanaAdapter()

// 3. Set up the metadata - Optional
const metadata = {
  name: 'AppKit',
  description: 'AppKit Example',
  url: 'https://example.com', // origin must match your domain & subdomain
  icons: ['https://avatars.githubusercontent.com/u/179229932']
}

// 4. Create the AppKit instance
const modal = createAppKit({
  adapters: [wagmiAdapter, solanaWeb3JsAdapter],
  networks,
  metadata,
  projectId,
  features: {
    analytics: true,
  }
})

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Solana Adapter Configuration

The SolanaAdapter accepts configuration options to customize its behavior.

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registerWalletStandard

Controls whether WalletConnect is registered as an available WalletStandard wallet following the Solana Wallet Standard protocol. When enabled, users will see “WalletConnect” as a wallet choice alongside other Solana wallets like Phantom, Solflare, etc. when integrating wallet standard libraries 
const solanaWeb3JsAdapter = new SolanaAdapter({
  registerWalletStandard: true,
  wallets: [/* only show these specific wallets */]
})

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wallets

Array of custom Solana wallet adapters to include alongside the default WalletConnect functionality. 
import { HuobiWalletAdapter } from '@solana/wallet-adapter-wallets'

const solanaWeb3JsAdapter = new SolanaAdapter({
  registerWalletStandard: true,
  wallets: [new HuobiWalletAdapter()]
})