Why Rollup Has Become the Hottest Layer2 Solution Today

Unless you hide in the remote mountains, it's hard not to know about the surge triggered by Rollup, Ethereum's Layer2 scalability solution. In September 2020, Ethereum's gas price hit a historic high, exceeding 477 Gwei, perhaps foreshadowing the day when gas prices skyrocket to Twei. Since the ICO craze of 2017, the Ethereum network has never been so congested before, and one could say the congestion level is even higher now. The block gas limit has also reached a historic high of 12.5 million.