Flutter Gems
Flutter Gems is a curated list of 7250+ useful Dart & Flutter packages that are categorized based on functionality.
Top Flutter Web3, Crypto and Blockchain packages
Last updated: May 18, 2026
Web3 and Blockchain integration allows Flutter apps to interact with decentralized networks, sign transactions, and query smart contracts on Ethereum, Solana, or custom chains.
Best Practices for Web3
- Private Key Security: If your app generates or stores a non-custodial wallet phrase, it must be encrypted and stored in the OS-level secure hardware enclave (Keychain on iOS, Keystore on Android). Never store private keys in standard
SharedPreferences. - RPC Rate Limiting: Free public RPC nodes will throttle your app if you poll them too frequently. Implement strict debouncing or use WebSocket subscriptions (
eth_subscribe) rather than aggressive REST polling to check for transaction confirmations. - Gas Estimation: Always estimate gas limits accurately before prompting the user to sign a transaction to prevent failed, out-of-gas transactions that still consume the user's funds.
The complete list of Web3, Ethereum, Solana, WalletConnect, and Cryptography packages for Flutter is provided below.
web3dart
👍 524 ⬇️ 29.1K
Dart 3 compatibleMaintenance Status: Good
A Celo compatible Dart library to connect to Ethereum clients. Send transactions and interact with smart contracts! Pay transaction fees using `feeCurrencies` on Celo.
walletconnect_dart
👍 115 ⬇️ 2.9K
Dart 3 compatibleMaintenance Status: Poor
Open protocol for connecting decentralised applications to mobile wallets with QR code scanning or deep linking.
solana
👍 97 ⬇️ 866
Dart 3 compatibleMaintenance Status: Good
Dart implementation of Solana JSON RPC API client. Provides convenient interface for the RPC methods.
bip39
👍 55 ⬇️ 18K
Dart 3 compatibleMaintenance Status: Poor
Dart implementation of Bitcoin BIP39 Mnemonic code for generating deterministic keys
wallet_connect
👍 68 ⬇️ 85
Dart 3 compatibleMaintenance Status: Poor
Wallet Connect client made in love with dart.
wallet
👍 30 ⬇️ 33.2K
Dart 3 compatibleMaintenance Status: Average
Crypto wallet package for Bitcoin, Ethereum and Tron written in pure Dart.
ethereum
👍 45 ⬇️ 345
Dart 3 compatibleMaintenance Status: Average
An ethereum JSON RPC 2.0 client for Dart. Interfaces ethereum API calls to Dart types and vice versa.
crypto_market
👍 45 ⬇️ 33
Dart 3 compatibleMaintenance Status: Poor
Crypto Market is a highly customizable Flutter library that supports Coin Chart, Order Book, Order Volume, and Trade History.
blockchain_utils
👍 35 ⬇️ 11.6K
Dart 3 compatibleMaintenance Status: Good
Comprehensive Crypto & Blockchain Toolkit, Pure Dart, Cross-Platform, Encoding, Cryptography, Addresses, Mnemonics, & More.
bdk_flutter
👍 36 ⬇️ 297
Dart 3 compatibleMaintenance Status: Good
A Flutter library for the Bitcoin Development Kit(bdk) (https://bitcoindevkit.org/)
algorand_dart
👍 35 ⬇️ 306
Dart 3 compatibleMaintenance Status: Poor
Unofficial community SDK to interact with the Algorand network, for Dart & Flutter
walletconnect_qrcode_modal_dart
👍 34 ⬇️ 39
Dart 3 compatibleMaintenance Status: Poor
Provides UI for DApps to easily connect to a supported Wallet apps through open WalletConnect protocol.
eip55
👍 6 ⬇️ 33.2K
Dart 3 compatibleMaintenance Status: Average
Utility to convert an upper or lower case Web3/Ethereum address to a checksum address (EIP55).
coinbase_wallet_sdk
👍 27 ⬇️ 5.9K
Dart 3 compatibleMaintenance Status: Average
Fluter implementation of Coinbase Wallet SDK.
coingecko_api
👍 27 ⬇️ 748
Dart 3 compatibleMaintenance Status: Good
Dart package that provides simple access to the CoinGecko API (Version 3)
eip1559
👍 3 ⬇️ 29.8K
Dart 3 compatibleMaintenance Status: Poor
EIP-1559 Ethereum and Web3 market fee and gas estimation for Dart.
bitcoin_base
👍 25 ⬇️ 2.4K
Dart 3 compatibleMaintenance Status: Good
A versatile library for Bitcoin, Dogecoin, Litecoin, Dash, BSV, and BCH. Supports P2PKH, P2SH, P2WPKH, P2WSH, P2TR, with advanced creation, signing, and spending capabilities.
magic_sdk
👍 23 ⬇️ 134
Dart 3 compatibleMaintenance Status: Poor
This is your entry-point to secure, passwordless authentication for your iOS or Android-based Flutter app.
flutterchain
👍 23 ⬇️ 52
Dart 3 compatibleMaintenance Status: Average
Multi-chain library for communication with blockchain systems. Based on WalletCore.
dart_web3
👍 23 ⬇️ 39
Dart 3 compatibleMaintenance Status: Poor
Dart library to connect to Ethereum clients. Send transactions and interact with smart contracts!
flutter_icp_auth
👍 22 ⬇️ 36
Dart 3 compatibleMaintenance Status: Average
A Flutter-ICP package to automate internet identity authentication.
webthree
👍 20 ⬇️ 113
Dart 3 compatibleMaintenance Status: Average
WebThree - a web3 library for dart for interaction with ethereum nodes using HTTP or WebSocket. Supports custom credentials providers like WalletConnect and Metamask.
stellar_flutter_sdk
👍 17 ⬇️ 884
Dart 3 compatibleMaintenance Status: Good
A Stellar SDK for Flutter, that can query Horizon and Soroban RPC, build, signs and submit transactions to Stellar. Supports many SEPs and can deploy and invoke Soroban Contracts.
dartsv
👍 11 ⬇️ 102
Dart 3 compatibleMaintenance Status: Good
Dart Library for interacting with the Bitcoin network. This library is especially well-suited for use in developing Flutter applications.
fuse_wallet_sdk
👍 9 ⬇️ 164
Dart 3 compatibleMaintenance Status: Average
Fuse Wallet SDK now has a Dart implementation, making it even easier to integrate blockchain technology into your mobile apps.
web3_webview
👍 7 ⬇️ 57
Dart 3 compatibleMaintenance Status: Good
web3_webview is a powerful bridge between a DApp running inside a WebView and your Flutter application, enabling secure and seamless two-way communication between them
pylons_sdk
👍 5 ⬇️ 38
Dart 3 compatibleMaintenance Status: Poor
Pylons sdk connects client apps to the pylons wallet. It helps the client apps to perform actions on the pylons chain via wallet.
simplicity_sdk
👍 3 ⬇️ 6
Dart 3 compatibleMaintenance Status: Average
A Flutter package for deploying and interacting with smart contracts on simplicity-block
archethic_wallet_client
👍 2 ⬇️ 291
Dart 3 compatibleMaintenance Status: Average
A client dart library to interact with Archethic Wallet RPC API.
coinlib_flutter
👍 2 ⬇️ 270
Dart 3 compatibleMaintenance Status: Average
A flutter wrapper for coinlib, a straight-forward, modular library for Peercoin and other Satoshi-based UTXO blockchains
fuels
👍 2 ⬇️ 175
Dart 3 compatibleMaintenance Status: Good
Dart FFI bridge to Fuel Rust SDK
phantom_wallet_connect
👍 0 ⬇️ 16
Dart 3 compatibleMaintenance Status: Good
Package for integration Phantom Wallet in your WEB project.
flutter_web3
👍 152 ⬇️ 531
Maintenance Status: Poor
Web3 Ethereum, Etherjs and Wallet Connect wrapper for Flutter Web. Made especially for developing Dapp.
bitcoin_flutter
👍 33 ⬇️ 142
Maintenance Status: Poor
A dart Bitcoin library for Flutter. BIP32, BIP39, P2PKH integration.
agent_dart
👍 21 ⬇️ 499
Maintenance Status: Poor
An agent library built for Internet Computer, a plugin package for dart and flutter apps. Developers can build ones to interact with Dfinity's blockchain directly.
archethic_lib_dart
👍 6 ⬇️ 580
Maintenance Status: Average
Archethic dart library for Flutter for Node and Browser. This library aims to provide a easy way to create Archethic transaction and to send them over the network