1. How do we evaluate capability and credibility of some entities or individuals that trade for people or some professional traders who trade for people?
It's really hard evaluate people on their self claim.
And if you are not confident to evaluate some information by yourself it's easy that you get fooled.
Most of the times there is a simply gold rule: "If something seems too good to be true, it probably is not."
And if someone is able to get these "big earnings" (stable/fixed etc) why they are searching money from strangers on the web? It would more profitable and easy get money from friends and family.[@Wenbing of course they need to "scale" their business but why asking for hundreds of dollars by several users on the web
and not asking directly to a bank? it's time consuming collect money in a such way....]
This is the same way and (fake logic) that ponzi use to operate. If they were so "profitable business" (they earn money faster then repay a debt) why they are collecting money on the web?!
2. I've seen some Telegram group that sell trading services and signals advice. How do we know if they are good to do business with?
These are just scam. Why they are selling and not using these information for a good trade?
- They collect money (selling "information") - scam - ban users
- They promote tokens - these tokens are heavily dumped
- They promote "buy A" in a chat - "sell A" in another chat (however they will win since it's like flipping a coin at a certain point)
These are only some of the way the act. It's like people that try to sell their betting predictions...
3. Is Telegram escrow system a scam or not?
This has been discussed here
https://bitcointalk.org/index.php?topic=5210233.0I think that an escrow should have a clear history of trade/reputable and so over.
I will not make a trade using a bot as an escrow.