Scaling 101: Solana's Big Risk, Parallel Execution (is overhyped), Gas Limits

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I explain sidechains, parallel execution, block size / gas limit, sharding, and the importance of having users run full nodes — and the risks that Solana (and other fast monolithic chains) take in their scaling approach.

Mint the NFT of the diagram here (only open for 24 hours):

Vitalik post:

Dankrad post:

0:00 - intro
0:25 - product vs. engine
3:26 - scaling landscape
3:51 - sidechains
5:58 - client efficiency & parallel execution
9:14 - block size / gas limit
20:51 - users must run nodes!
30:41 - sharding
32:49 - outro