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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 0.20
TRX 0.15
JST 0.030
BTC 65353.52
ETH 2654.64
USDT 1.00
SBD 2.84