Loom has better scalability. Most transactions can happen on a sidechain. https://medium.com/loom-network/everything-you-need-to-know-about-loom-network-all-in

Loom has better scalability. Most transactions can happen on a sidechain. https://medium.com/loom-network/everything-you-need-to-know-about-loom-network-all-in-one-place-updated-regularly-64742bd839fe https://medium.com/loom-network/everything-you-need-to-know-... Ethereum 2.0 will have sharding. That should speed up transactions but sidechains will probably always be cheaper and sometimes no fee.