API3 is a first-party oracle solution that provides data feeds and OEV rewards for DeFi projects across multiple chains.

DeFi Tools
Korbit
쉽고 안전한 비트코인, 이더리움, 엑스알피(리플) 거래부터 합리적인 글로벌 송금까지. 대한민국 가상자산 거래소 선두주자 디지털엑스(Digital X)
About Korbit
Korbit is a centralized crypto exchange in Seoul, founded in 2013 as South Korea's first crypto exchange. Users can buy, sell, and trade more than 190 digital assets paired with the Korean won, stake ETH, and browse an in-app NFT marketplace. The platform is regulated by Korea's Financial Services Commission and was acquired by gaming company Nexon in 2017.
Official resources
Websitekorbit.co.kr