The Haeundae Beach System in Busan is part of a pilot project that aims to offer crypto payment solutions to beachgoers in the summertime.
Source: https://cointelegraph.com/news/south-korean-beachgoers-can-now-use-bitcoin-to-pay-for-services
South Korean Beachgoers Can Now Use Bitcoin to Pay for Services
August 9, 2020
CoinTelegraph