Odaily News According to official news, OKX Web3 Wallet has upgraded its Wallet API function to help developers manage on-chain assets and transaction data faster, more completely and more intelligently. At present, OKX Web3 Wallet API can be applied for free internal testing. Developers can enjoy high-quality on-chain services at zero cost, enabling Web3 application innovation and rapid iteration. The main functions include: 1) Multi-dimensional address query mode: support single-address multi-chain, multi-address batch processing and structured aggregate query, providing a more flexible and efficient data query experience. 2) Real-time query of full on-chain data: quickly obtain full token balance and currency price data, and intelligently filter junk airdrop tokens to ensure data accuracy. On-chain data is updated in seconds, allowing you to keep abreast of asset dynamics at any time. 3) Full life cycle management of transactions: fully support transaction construction, broadcasting, tracking and query, from Gas Price, FeeRate query to EIP1559 support, including Pending pool Nonce query and pre-execution return GasLimit consumption, Webhooks push transaction status in real time. Transaction history can be traced back to the genesis block, and transaction records can be filtered by token perspective. 4) Comprehensive coverage of multi-chain ecology: Supports EVM chain, BTC and other UTXO blockchains, helping developers to easily build multi-chain applications.