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Are there some specific ones which you're thinking of when you say that?

Heres a couple http://bitcoinchaser.com/top-5-cryptocurrency-scams but I mean scams in general. You need to warn your readers about the benefits and dangers of the crypto world. I think most coins are scams so I stick to the main ones but that is just how I see it.

Thanks for that input.

If you're into mining with GPUs - I'll be interviewing Lee who runs 'IMineBlocks' youtube channel, so that should be interesting for miners.

MLM and ponzi schemes list with websites and company names,in the cryptocurrency. Best regards !