# Chain Ecosystem Indices (CEIs)

### What are Chain Ecosystem Indexes (CEIs)?

This is a sub-category of Indices that track >80% market cap of tokens for a given blockchain ecosystem. It consists of tokens native to that chain.

### Which CEIs does Teragon provide?

* Avalanche Ecosystem Index (avaxCEI)
* BSC Ecosystem Index (bscCEI)

### What is the in-depth methodology behind CEIs

{% embed url="<https://docs.google.com/document/d/1FiPbkRaioPJZnk634lcS2a2FkqowThdF24l9f9etjJo/edit>" %}
