In March, 2020 GuldenTrader exchange has published an announcement calling its customers to withdraw their funds before April 1, when the exchange will cease its operation.
ChangeHero is a platform for instant cryptocurrency exchange. The service was based in Costa Rica and operated since 2017. To use the service, you do not need to register an account. Exchanges are conducted simply and anonymously and in matter of few minutes.
Blockchain Exchange is a high performance multi-crypto exchange engineered and powered by the Blockchain.com. It supports pairs such as BTC/USD, BTC/EUR, BTC/ETH, BTC/GBP, BTC/PAX, BTC/ETH, and many more.