Started back in 2017 our service to help people to avoid scam telegram groups taking money for signals, where one group approx. costs 100-300$ but advises, signals, analysis are empty and just bad posts to get people lose money or pump their own coin.(we got scammed too)
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I remember this also.
I also saw some trading signals before that are copied from multiple legit trading signals. It's like they are a group that offers trading signals to other people but the source is not coming from them.
I am not sure if this is also somehow legit but for me, I am not trusting for this, I rather subscribe to legit one or learn by my own how to trade.