So many exchanges did promised users many things, when they were newly introduced. This was done inorder to captured the attention of a trader to that particular exchange, but all few were able to live up to expectations. While others couldn't.
Onblock Exchange is an exchange platform, that promised to offer easy trading on digital currencies. Although, it was at the course of offering such services, before it eventually went out of service.
Onblock exchange is unavailable. it was released to the crypto market around 2018, but however, it couldn't stand for a while. Some many traders who invested their currencies on this platform are now wallowing in regret. As there's no means of tracing this exchange, and no information or updates regarding it has been given.
Onblock exchange should not be trusted.