CeloExtensionWallet-legacy is a Chrome extension developed by jiyun.kim. It is a legacy version of the Celo Extension Wallet that supports a 12-word mnemonic. This extension allows users to access Celo-enabled distributed applications, also known as "Dapps," directly from their browser.

The main feature of CeloExtensionWallet-legacy is its ability to inject the Ethereum web3 API into the JavaScript context of any website. This enables Dapps to read data from the blockchain, providing users with a seamless and secure experience.

Due to its functionality, CeloExtensionWallet-legacy requires permission to read and write to any webpage. Users can easily view the source code of this extension on Github, providing transparency and ensuring the security of their transactions.

Overall, CeloExtensionWallet-legacy is a valuable tool for Celo users who want to access Dapps directly from their browser, with the added security of blockchain integration.