Seems they are already operating a new scheme:
https://www.esotericinvestments.comI have contacted their support with a silly question and the reply was almost identical to what BT replied at the time they were still replying.
What was the question and response from Esoteric Investments and Bitcoin Trader?
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From the Facebook Bitcoin Trader Customers Association page:
Dan Pace ....I have been with Esoteric Investments from the beginning which was actually founded late March...
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In an effort to inspire some trust in Esoteric Investments I invite anyone with questions and concerns to contact me as I do have extensive knowledge of the company from my role in its formation.
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