Does anyone know what David Gardne’s ”secret backdoor to bitcoin is? It just arrived today:
https://www.fool.com/order/fe_offers/show-best-two-offers/de1a3f33-c242-4fd7-979c-8f2c7139e25a?utm_campaign=adv-backdoor&c=so-alarm-borderless-pt-v&campaign=sa-release&mailing_id=294042&utm_content=20171229-html-bodycta&utm_source=so&source=isaspoeml0007192&utm_medium=email&testId=sar-pt&mailing_name=20171229_SO_Hot-Ctrl_ADV_Backdoor&u=782691931&cellId=1

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