# Table of Contents

- [Three Layers](/cardano/how-does-cardano-work/table-of-contents/three-layers.md): The Cardano architecture features three layers:
- [Consensus Layer](/cardano/how-does-cardano-work/table-of-contents/three-layers/consensus-layer.md)
- [Proof of Stake (PoS)](/cardano/how-does-cardano-work/table-of-contents/three-layers/consensus-layer/proof-of-stake-pos.md)
- [Pros and Cons of PoS](/cardano/how-does-cardano-work/table-of-contents/three-layers/consensus-layer/pros-and-cons-of-pos.md)
- [Ledger Layer](/cardano/how-does-cardano-work/table-of-contents/three-layers/ledger-layer.md)
- [Network Layer](/cardano/how-does-cardano-work/table-of-contents/three-layers/network-layer.md)
- [Cryptography](/cardano/how-does-cardano-work/table-of-contents/cryptography.md)
- [Peer-to-peer Communication Between Nodes](/cardano/how-does-cardano-work/table-of-contents/peer-to-peer-communication-between-nodes.md)
- [Interoperability](/cardano/how-does-cardano-work/table-of-contents/interoperability.md)
- [Hard Fork Combinator](/cardano/how-does-cardano-work/table-of-contents/hard-fork-combinator.md)
- [Stake pools](/cardano/how-does-cardano-work/table-of-contents/stake-pools.md)
- [Financial Aspects](/cardano/how-does-cardano-work/table-of-contents/financial-aspects.md)
- [The ada token: definition and functionality](/cardano/how-does-cardano-work/table-of-contents/financial-aspects/the-ada-token-definition-and-functionality.md)
- [Staking](/cardano/how-does-cardano-work/table-of-contents/financial-aspects/staking.md)
- [RealFi](/cardano/how-does-cardano-work/table-of-contents/financial-aspects/realfi.md)