A lot of application already running in ethereum. Ethereum network is getting heavy.
You mean all the kitties?
One this I don't actually understand is, do all the projects with erc20 tokens use etherium network for confirming transactions? If so, the more companies the more transactions altogether, the worse congestion will become
No?
Ethereum network can only process 25tx/s, what if all the erc20 tokens start requiring more than that?