Tokenly Pockets is an easy-to-use Chrome Plugin wallet for the storing and sending of Bitcoin, Counterparty, and Counterparty assets that stores your secret passphrase locally in the browser with the option of client-side password encryption.
Network data is collected from several APIs including Insightio, Blockchaininfo, and Counterpartychaino. Transactions are assembled and signed locally then pushed to the network as a raw transaction through Blockchain.info’s pushtx API.