A Polymer element wrapping web3js and lightwallet for creating polymer apps that interact with the Ethereum blockchain without having to run a local Ethereum node.
The wallet data is stored in your browser's local storage and is encrypted with a password, but you can access the wallet data to store it somewhere else.
npm install web3-wallet
https://sponnet.github.io/web3-wallet/components/web3-wallet/
Created in the city of Antwerp in collaboration with A-Labs
My kids' wallet : 0xc56ce43255adff7d176058db19cac79c7b6dbc8b
The ledger will remember your donations forever. They will thank you later.