An unknown entity has burned 107 Bitcoin, worth approximately $8.5 million, effectively removing the digital assets from spendable circulation and igniting a wave of speculation within the crypto community.

The Bitcoin, which had been held for over 12 years, was sent to a provably unspendable address starting with '11111'. The transfer, executed across five separate addresses on Monday, was identified by Galaxy Research. This action brings the total amount of Bitcoin sent to this particular burn address to 807 BTC, valued at roughly $59 million.

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This burn is notable not only for its size but also for the age of the coins. The majority of the Bitcoin was acquired around 2014, when the price was below $600. Since then, Bitcoin’s value has surged over 12,700%, making the destruction of these assets a perplexing event.

Unlike Ethereum or BNB, Bitcoin lacks a native burn mechanism. Destroying BTC requires sending it to an address with no known private keys, rendering it unspendable. This address, while still technically holding the coins on the blockchain, makes recovery impossible without those keys.

Galaxy Research has put forward several theories. The most discussed is tax loss harvesting, where an entity might choose to realize a capital loss for tax purposes. Another possibility is the destruction of funds linked to illicit activities, though no direct connection to hacks has been established. A more speculative theory suggests a rogue artificial intelligence (AI) agent made the transfer in error.

Bloomberg ETF analyst Eric Balchunas echoed the AI theory, adding possibilities like a kidnapping situation or tax reasons. Meanwhile, Conor Grogan of Coinbase proposed a more mundane explanation: a financial exchange likely made a mistake during cold storage management.