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#188 – Vitalik Buterin: Ethereum 2.0
Lex Fridman Podcast
What Are Rollups?
Instead of just publishing transactions directly on chain, you create a system where users send their transactions to some part like central party called an aggregator. Aggregators strip out all the transaction data that is not relevant to helping people update the state. So instead of publishing all these transactions, you publish this tiny compressed blob. The amount of data that goes on chain goes down by maybe about a factor of 10. And then the second thing is that you don't do the computation on chain. Instead you do the computation off chain. There's something called ZK roll-up payments for assets inside the ring system and you can go around and transfer them. But the only problem is that making anything
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