Add Custom ABI for Smart Contracts
Developers can now add custom ABIs to any smart contracts on Etherscan. Adding custom ABIs introduces a new way to interact and debug smart contracts.
Kaven Choi
Token Balance Checker
The Token Balance Checker on Etherscan is a flexible tool that allows users to look up the token historical balance at a specific Block No or **Date.
PSA for Developers: Implementation of API Key requirements starting from February 15th, 2020 onwards.
Etherscan Developers API Keys Implementation.
API Key Rate Limit & Errors
During the enforcement of the API key requirement, developers will expect the return errors listed, where an API key is not in use or exceeding the rate limit.
What is an Ethereum Address?
There are two types of address in Ethereum: Externally Owned Address (EOAs) and Contract Address.