1. Klaytn Docs https://ko.docs.klaytn.foundation/ Welcome - Klaytn Docs Disclaimer: Some notes are derived from Ethereum documents as the Klaytn source code was initiated from Ethereum’s Byzantium version. As Klaytn evolves, Klaytn Docs and the source code will continue to be updated. Here are some websites for reference: ko.docs.klaytn.foundation 2. Klaytn WEB IDE https://ide.klaytn.foundation/..