According to Galaxy Research, a Bitcoin wallet that had been inactive since May 2011 was activated on September 29, transferring 20.43 BTC across two transactions, valued at approximately $1.7 million at current prices. Galaxy Research estimates that 10.33 BTC of this amount had an average historical cost of about $4, realizing a gain of approximately $872,000, with a return rate as high as 2,192,671%. The other 10.10 BTC had a historical cost of approximately $3.