# 67 Scaling Ethereum after the Shanghai Upgrade
The Ledger Podcast
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What Are the Most Important Ethereum Upgrades?
Charles Lee: In my point of view, once we have 48, 44 and Shanghai upgrades, we have almost everything we need. And the other stuff are bonus in my eyes. The most important one is the protodunk sharding, a grade 1448. This one is for Paris Obledio. So it's conkoon. It's always immensely enriching to dive into the development of a vibrant ecosystem such as Ethereum. One lesson that we can take away is that challenges always lead to innovation. We're just getting started here.
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