An anonymous reader shares a report: According to new research from Chainalysis, a digital forensics firm that studies the bitcoin blockchain, 3.79 million bitcoins are already gone for good based on a high estimate — and 2.78 million based on a low one. Those numbers imply 17% to 23% of existing bitcoins, which are today worth around $9,700 each, are lost. While others have speculated about the number of lost bitcoins, the Chainalysis findings are significant because they rely on a detailed empirical analysis of the blockchain, where all bitcoin transactions are recorded.

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Source: Slashdot – Nearly 4 Million Bitcoins Lost Forever, New Study Says