Presently, there are few hybrid exchanges present, these exchanges actually seems to be the exchange of perfection because they make use of the positive aspect of centralized exchanges as well as decentralised exchanges. This particular hybrid exchange, Joyso is more of decentralized hybrid exchange. The exchange charges a low fee of 0.1% for makers and 0.2% for takers which might have made it quite a liquid exchange.
The exchange doesn't look active to me though the website is still very much accessible but the exchange's Twitter account had its last post in 2019, which mean that either; the exchange lacks good management or nothing important has happened in the exchange since 2019. The founder Tom Soong claims to have five (5) years of experience in blockchain technology but this statement doesn't reflect in the activity of the exchange.
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