March 22, 2025

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$250M BTC Whale Wakes Up After 8 Years

A Bitcoin whale, 1Hc4E, has reawoken after eight years of inactivity, to transfer 3,000 BTC worth just over $252M.
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    A Bitcoin whale, 1Hc4E, has reawoken after eight years of inactivity, to transfer 3,000 BTC worth just over $252M. The BTC stash was transferred through another fresh address, 17yjo, before ending up in bc1qx, where it is still being held.

    Bitcoin whale, bc1qx, on Arkham
    Bitcoin whale, bc1qx, on Arkham

    The movement of funds from a "1" address (Legacy) to a "bc1" address (Native SegWit) represents a distinct modernization of the whale’s custody setup. Legacy addresses were the standard in Bitcoin's early years, but Native SegWit addresses—introduced widely after 2017—offer lower transaction fees and better error detection. This specific migration path suggests the owner is updating their security architecture to current industry standards, rather than simply cashing out, which often involves sending funds directly to exchange deposit addresses.

    The transfer of 3,000 BTC from 17jyo to bc1qx
    The transfer of 3,000 BTC from 17jyo to bc1qx

    The original stash had been held on this address, 1Hc4E, since 2017, and has since grown from $12.29M since being transferred in, to its $260M valuation today, a return of 2,115% (21.15x). The origins of this stash has been traced to addresses as old as from 2014 and earlier, with links to Coinbase transfers from the period.

    Reactivating wallets with such high "coin age" typically triggers alerts across on-chain analytics platforms. When coins that haven't moved for nearly a decade suddenly transact, it resets a metric known as "dormancy," which can sometimes spook the market. Traders often view these "zombie coins" with caution, fearing that early adopters—who have a cost basis of nearly zero compared to today’s prices—might be preparing to flood the market with liquidity that the current order books cannot easily absorb.

    Visualizing the origin of this whale’s BTC stash
    Visualizing the origin of this whale’s BTC stash

    While it is unclear what the purpose of the transfer is, such a move could be similar to many other old addresses which have been reactivated to move their Bitcoin to centralized exchanges, perhaps to finally take profit on their investments. Alternative motives could include just maintaining general security of their funds, or a potentially compromised seed phrase.

    Arkham

    The Arkham Research Team comprises analysts and engineers who worked at Tesla, Meta, and Apple, alongside alumni from the University of Cambridge, Imperial College London, UC Berkeley, and other institutions.

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    Arkham
    The Arkham Research Team comprises analysts and engineers who worked at Tesla, Meta, and Apple, alongside alumni from the University of Cambridge, Imperial College London, UC Berkeley, and other institutions.
    Information provided herein is for general educational purposes only and is not intended to constitute investment or other advice on financial products. Such information is not, and should not be read as, an offer or recommendation to buy or sell or a solicitation of an offer or recommendation to buy or sell any particular digital asset or to use any particular investment strategy. Arkham makes no representations as to the accuracy, completeness, timeliness, suitability, or validity of any information on this website and will not be liable for any errors, omissions, or delays in this information or any losses, injuries, or damages arising from its display or use. Digital assets, including stablecoins and NFTs, are subject to market volatility, involve a high degree of risk, can lose value, and can even become worthless; additionally, digital assets are not covered by insurance against potential losses and are not subject to FDIC or SIPC protections. Historical returns are not indicative of future returns.