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I've known about BTC since 2012 - owned some, transacted with some, sold some, profited with some... but a +572.85% year-over-year appreciation versus the USD makes me pretty skeptical too.

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STEEM 0.21
TRX 0.20
JST 0.033
BTC 93762.05
ETH 3095.20
USDT 1.00
SBD 3.01