> For the complete documentation index, see [llms.txt](https://creda.gitbook.io/elastos-bel2-airdrop-credit-oracle/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://creda.gitbook.io/elastos-bel2-airdrop-credit-oracle/2.-elastos-bel2-airdrop-credit-oracle/2.3-bel2-airdrop-credit-oracle/2.3.3-customized-oracle-for-ethereum-chain/2.3.2.1-introduction.md).

# 2.3.2.1 Introduction

The CreDA Credit Oracle for the Ethereum Chain is structured as follows:

**Transaction Volume**

* Based on the USD value of ELA token transactions before and up till December 31, 2023. If the transaction volume is greater than 1000 USDT, a weight of 1 to 5 points can be obtained depending on the different levels of the transaction volume.

**Interaction Count**

* Before and up till December 31, 2023, if the address has more than 10 historical transactions, it will receive a weight of 1 to 4 points depending on the number of transactions.

**User Activity**

* Before and up till December 31, 2023, if an address has transaction records in more than one month (including non-consecutive months), it can receive a weight of 1 to 8 points depending on the number of months in which transactions have been active.

**Address Balance**

* Before and up till December 31, 2023, if the address balance at the time of the ELA snapshot is greater than 10 ELA, it can receive a weight of 1 to 5 points depending on the balance.