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I'm not sure about LTC but btc and eth definitely worth investing in in the long term. BTC is just like gold, it'll keep increasing in value nice and steady

Litecoin I believe will make a surge. But right now Verge is looking quite interesting.

I'm upset I joined the bandwagon late for BTC

Yes if you bought them 3 years ago

You are lucky I wish I knew about BTC then.

I think Golem is a coin to watch