- storage
This is a browser extension for account(key) management on blockchain-based dapps. Therefore, we're using the storage for the following purposes. Management of: account(key) information; password; address book; chain information; theme(dark/light); currency information; Origin from web; dapp request queue;

- unlimited storage
It is used to store historical data such as block data and transactions and provide it to users.

- activeTab
Tab permission is required to receive user approval for transaction.

- host
As a general-purpose browser extension for account(key) management on blockchain-based dapps similar to Metamask, the browser extension allows all websites, for it cannot specify which websites provide dapps.