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2016 was outstanding. The Ethereum-Saga, The DAO Hack, now the Steem-Dream. Still can not believe that all off this only happend in one year. Hope that 2017 will top that :-)

But only invest what you can afford to lose.

Good advise, it's all speculative after all :)

Yes, never go ALL-IN, even if it seems to be a No-Brainer.