On the bitcoin side, second layer solutions such as the Lightning Network have been proposed, but have yet to be deployed. (cryptotimes.news)
But, second - layer solutions like Plasma hold significant potential in scaling and optimizing the Ethereum blockchain network, which could allow large - scale decentralized applications to emerge in the long - term. (links2exchange.net)
SegWit will also establish the infrastructure necessary for two - layer solutions such as Lightning Network to operate. (crude-oil.news)