We're aware of an issue in which users in certain countries are unable to send cryptocurrency... expect it to be fixed in the next few hours

We're aware of an issue in which https://t.co/ohqDivlp6Y users in certain countries are unable to send cryptocurrency off of Coinbase. We've identified the issue and expect it to be fixed in the next few hours. This issue does not affect the Coinbase mobile apps.

— Coinbase Support (@CoinbaseSupport) August 3, 2018