South Korea’s largest crypto exchange, Upbit, will soon add trading pairs for Optimism (OP) with Korean Won (KRW), Bitcoin (BTC), and Tether (USDT). Optimism is a Layer 2 scaling solution designed to improve Ethereum’s transaction speed and reduce fees. This listing highlights growing interest in Layer 2 technologies and provides Upbit users with more options for trading OP tokens in the rapidly expanding crypto market.