Here is the link to a teaser from Jeff Brown that I just received about three of the best blockchain companies to invest in. Does anyone know what they are? He also mentions a report for the best cryptocurrency portfolio — and a company that he recommends for setting up a cryptocurrency IRA. Any info on these as well would be great.

https://secure.brownstoneresearch.com/?cid=MKT433980&eid=MKT484891&step=start&plcid=PLC077441&SNAID=SAC0013145818&email=ctfrisch@gmail.com&encryptedSnaid=x5LuntDhl8rs1Tvpl6O8dKXoA8BHKTD%2F9COsvqBP%20AM%3D&emailjobid=4794084&emailname=20200821-TBE-F&assetId=AST121202&page=2

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