On December 31, 2011, Bitcoin (BTC) had a market capitalization of $34M, based on 8M coins issued at a price of $4.25.

bitcoin market cap 2011
DATE CLOSE BTC MINED MARKET CAP
December 31 2011 $4.25 8,001,800 $34,007,650.00
December 30 2011 $4.17 7,994,250 $33,336,022.50
December 29 2011 $4.19 7,987,150 $33,466,158.50
December 28 2011 $4.07 7,980,250 $32,479,617.50
December 27 2011 $4.02 7,972,500 $32,049,450.00
December 26 2011 $4.22 7,965,250 $33,613,355.00
December 25 2011 $3.94 7,956,400 $31,348,216.00
December 24 2011 $3.95 7,947,700 $31,393,415.00
December 23 2011 $3.89 7,940,450 $30,888,350.50
December 22 2011 $3.89 7,933,350 $30,860,731.50
December 21 2011 $3.95 7,925,950 $31,307,502.50
December 20 2011 $3.52 7,918,500 $27,873,120.00
December 19 2011 $3.19 7,911,800 $25,238,642.00
December 18 2011 $3.20 7,903,850 $25,292,320.00
December 17 2011 $3.20 7,896,650 $25,269,280.00
December 16 2011 $3.20 7,889,150 $25,245,280.00
December 15 2011 $3.15 7,883,250 $24,832,237.50
December 14 2011 $3.25 7,877,650 $25,602,362.50
December 13 2011 $3.14 7,870,000 $24,711,800.00
December 12 2011 $3.25 7,863,400 $25,556,050.00
December 11 2011 $3.05 7,857,050 $23,964,002.50
December 10 2011 $2.97 7,849,450 $23,312,866.50
December 09 2011 $2.98 7,842,250 $23,369,905.00
December 08 2011 $2.99 7,834,900 $23,426,351.00
December 07 2011 $3.03 7,826,700 $23,714,901.00

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