MetaMask Labs is doing research for the browser extension to become a light client running on top of libp2p. The project codename is Mustekala. As of now, we have fleshed out a comprehensive architecture (https://github.com/MetaMask/mustekala/blob/master/docs/architecture.md) of four layers, where we extract data from devp2p synchronized clients and make it available in libp2p using the IPLD format. Upstream, an overlay network of peers (named kitsunet) shares this information, allowing data …