Aside from sharding, moving smart contract execution off-chain is perhaps the biggest front in scalability for blockchain dapps. Aeternity is on the cutting edge of that movement. These are uncharted waters, however, so expect challenges as smart contract platforms like Aeternity grow. Expect Ethereum to be watching Aeternity’s progress closely, as any solution Aeternity implements, Ethereum will want to implement as well.See full review