ChainCatcher news, in order to promote the construction of the account abstraction ecosystem, the OKX Web3 wallet AA smart contract account has officially open-sourced the Bundler, once again contributing to the industry through technological openness. OKX's move has received high praise and trust from the Ethereum Foundation for the official ERC-4337, and it has been showcased on the official ERC-4337 website, open to developers worldwide.It is reported that as an important technical infrastructure for OKX AA smart contract accounts, its Bundler open-source solution is named "OKBund." OKBund is dedicated to promoting the widespread access and application of account abstraction technology, building a more scalable smart on-chain ecosystem. It currently supports Java development, and more language versions will be provided in the future.