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Paypal Marketcap = value of Paypal the co not money circulating through Paypal.
Bitcoin Marketcap on the other hand is the money circulating which is Bitcoin itself and not a company

A valid point. Edited the article to include :)

Coin Marketplace

STEEM 0.05
TRX 0.29
JST 0.043
BTC 68607.01
ETH 1988.76
USDT 1.00
SBD 0.38