Basics Level Progress50%
Exchanges, Aggregators, Validators
The different types of exchanges (CEX vs DEX), what a DEX aggregator does, and the role of validators.
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Course Overview
In This Lesson
Understand the different types of exchanges (CEX vs DEX), what a DEX aggregator does, and the role validators play in securing the blockchain.
Understand the difference between a CEX and a DEX
Learn what a DEX aggregator like Jupiter does
Understand the role of validators and staked collateral
Technical Core
Key Insights
A DEX (like Meteora) is non-custodial — you keep your own keys; a CEX holds them for you
Aggregators like Jupiter route trades across many DEXs to find the best price
Validators stake SOL as collateral and lose it if they act dishonestly