A long-dormant Bitcoin whale has emerged after more than a decade of inactivity, according to whale-tracking bot Whale Alert. 

Some are speculating the possibility that they contain Satoshi coins, or BTC belonging to the pseudonymous founder of the flagship cryptocurrency, Satoshi Nakamoto.

Whale Alert finds that the address, which was last active in October 2010, recently moved 489 Bitcoin worth over $20 million at time of transfer.

The last time the inoperative address was functioning, Bitcoin was trading at a price of about $0.17. The top crypto asset by market cap has appreciated a staggering 23,150,500% during the time the address’s period of inactivity.

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