Complete cryptocurrency wallet management for Web3, DeFi, and blockchain applications. Create and manage EVM (Ethereum, Polygon, BSC, Arbitrum, Optimism, Base, Avalanche) and Solana wallets with encrypted local storage. Query balances for native tokens (ETH, MATIC, BNB, SOL) and standard tokens (ERC20, SPL). Send transactions, interact with smart contracts, and manage multiple addresses across 12+ networks. Secure password-protected key storage with AES-256 encryption. Use for: (1) Creating new crypto wallets, (2) Importing existing wallets, (3) Checking token balances across chains, (4) Sending cryptocurrency and tokens, (5) Interacting with DeFi protocols and smart contracts, (6) Multi-chain portfolio management, (7) NFT transfers, (8) Blockchain development and testing. Keywords: crypto, cryptocurrency, wallet, blockchain, ethereum, solana, web3, defi, token, erc20, nft, smart contract, metamask alternative, hardware wallet, cold storage, hot wallet, blockchain wallet, digital wallet, bitcoin.

专为Web3、DeFi和区块链应用设计的完整加密货币钱包管理工具。创建并管理EVM（以太坊、Polygon、BSC、Arbitrum、Optimism、Base、Avalanche）和Solana钱包，采用加密本地存储。查询原生代币（ETH、MATIC、BNB、SOL）和标准代币（ERC20、SPL）余额。发送交易、与智能合约交互，并在12个以上网络中管理多个地址。使用AES-256加密技术实现安全的密码保护密钥存储。适用场景：（1）创建新加密钱包，（2）导入现有钱包，（3）跨链查询代币余额，（4）发送加密货币和代币，（5）与DeFi协议和智能合约交互，（6）多链资产组合管理，（7）NFT转账，（8）区块链开发与测试。关键词：加密货币、钱包、区块链、以太坊、Solana、Web3、DeFi、代币、ERC20、NFT、智能合约、MetaMask替代品、硬件钱包、冷存储、热钱包、区块链钱包、数字钱包、比特币