An Crypto Wallet in your Browser
The extension injects the Ethereum web3 API into every website's javascript context, so that dapps can read from the blockchain.
Sleep Walet Extension also lets the user create and manage their own identities (via private keys, local client wallet), so when a Dapp wants to perform a transaction and write to the blockchain, the user gets a secure interface to review the transaction, before approving or rejecting it.
Finally, Sleep Walet Extension only support for sleep-to-earn network now
