# Layer 2 Crypto Project 

By [Daniel](https://paragraph.com/@daniel-38) · 2024-01-10

---

Layer 2 Crypto Currency project refers to a secondary framework or protocol that is built on top of an existing blockchain.

Example of layer 2 are projects like: Arbitrum, polygon and optimism etc.

---

*Originally published on [Daniel](https://paragraph.com/@daniel-38/layer-2-crypto-project)*