Bitcoin whale moves $86M after 11 years of dormancy

A group of Bitcoin wallets dormant since 2014 has transferred 1,214.42 BTC worth about $86 million as the cryptocurrency traded near a weekly high of $72,400.

Dormant Bitcoin wallets move $94 million

Bitcoin.com reported on Aug. 20, citing btcparser.com data, that 28 long-inactive wallets moved a combined 1,314.41 BTC between Aug. 19 and Aug. 20.

The Bitcoin was worth approximately $94.03 million at the time of the transactions. Wallets created in 2014 accounted for 1,214.42 BTC, or 92.4% of the total, with the coins valued at about $86 million.

Rather than moving through one large transaction, much of the activity appeared in matching amounts. Twenty-one transfers each carried 50 BTC from addresses created in November or December 2014, according to the report.

Several transactions were recorded in the same Bitcoin blocks, including block 963203. Their timing, matching sizes, and common address format suggest that the wallets may have been controlled by one or a small number of holders, although the available blockchain data does not establish their ownership.

Alongside the 2014 coins, three wallets created in 2016 transferred a combined 79.99 BTC. Two addresses dating to 2017 moved another 20 BTC during the same 24-hour period.

The report said another wallet, first seen on Dec. 26, 2014, separately transferred 150 BTC worth approximately $10.73 million. Its coins also went to a newly created address with no public entity label.

Bitcoin moves from legacy to newer addresses

Most of the 2014 transactions sent funds from Pay-to-Public-Key-Hash, or P2PKH, addresses to Pay-to-Witness-Public-Key-Hash addresses known as P2WPKH.

P2PKH is a legacy Bitcoin address format commonly identified by addresses beginning with “1.” P2WPKH addresses use Segregated Witness and generally begin with “bc1q,” offering smaller transaction sizes and lower fees than older address types.

Moving coins between the two formats can occur when a holder reorganizes self-custodied funds or adopts a newer wallet setup. Blockchain records show where the Bitcoin went, but they do not reveal why the owner moved it or whether the receiving addresses remain under the same control.

Arkham Intelligence’s public labels had not associated the destination addresses with centralized exchanges when the report was published. Without an exchange link, the transfers alone do not prove that the holders intend to sell the Bitcoin.

Blockchair’s privacy tool gave several of the 50 BTC transfers a score of 22 out of 100, according to Bitcoin.com. The tool identified about four privacy concerns, including the repeated use of the same address among transaction inputs.

Consolidating multiple holdings can make future spending easier, but placing several inputs into one transaction may also reveal links between addresses. Such links can help blockchain analysts group addresses that may belong to the same entity, even when the owner’s identity remains unknown.

Early holdings have risen at least 16,600%

Bitcoin traded between approximately $310 and $427 during November and December 2014, when the main group of wallets first received or became associated with the coins.

Using the upper end of that range and the value at the time of the latest transfers, Bitcoin.com estimated that the holdings had appreciated by at least 16,645%. The percentage represents the increase in Bitcoin’s market price rather than a confirmed realized return because blockchain data does not show that the coins were sold.

At $427 per Bitcoin, acquiring 1,214.42 BTC would have required roughly $518,000 before fees. The same amount was worth about $86 million when the wallets became active again.

Bitcoin’s price later fell to between $152 and $170 in January 2015, leaving holders from late 2014 facing steep paper losses before the asset recovered over the following decade. The wallet activity therefore covers coins held through several Bitcoin market cycles.

Dormant-wallet transfers have appeared several times during 2026. As crypto.news reported in May, a wallet inactive since November 2013 moved 500 BTC worth about $40 million to a new address with no known exchange connection.

CryptoQuant CEO Ki Young Ju described the May transaction as “classic OTC prep, not dump pressure,” citing its low fee and non-exchange destination. No comparable analyst assessment has been provided for the latest 1,214 BTC movement.

Later that month, a separate whale transferred 2,650 BTC worth approximately $203 million to FalconX and Cumberland. Onchain Lens, citing Arkham data, said the wallet retained nearly 6,000 BTC valued at about $462 million after the transactions.

Unlike the latest movements to unlabeled addresses, the May transfers reached named crypto trading firms. Even then, the transactions did not confirm that the holder had sold the coins, since trading companies can also handle custody and over-the-counter deals.

Dormant wallets also face a US ownership dispute

Long-inactive Bitcoin addresses have also entered a legal dispute in New York, where a plaintiff using the name Noah Doe has sought control of 39,069 wallets under the state’s lost-property law.

In July, a listed wallet transferred 30 BTC worth about $1.88 million after nearly 15 years without an outgoing transaction. Galaxy Research said other addresses named in the lawsuit had also begun moving funds.

The plaintiffs have argued that the listed wallets qualify as abandoned property under Article 7-B of New York’s Personal Property Law. A defendant claiming control of one address asked the court to dismiss the case, arguing that a Bitcoin address is a data string rather than a legal entity that can be sued.

No public information links the 2014 wallets behind the latest $86 million movement to that lawsuit. Their activation nevertheless shows why inactivity alone cannot establish that a wallet has been abandoned or that its owner has lost access to the private keys.

For US taxpayers, the tax result depends on whether the Bitcoin merely moved between addresses controlled by the same person or changed ownership. The Internal Revenue Service states that transferring cryptocurrency between wallets, accounts, or addresses owned by the same taxpayer is not a taxable event.

A sale or exchange would receive different treatment. The IRS requires taxpayers to calculate capital gains or losses using the difference between the amount received and the adjusted cost basis, while records used to identify particular Bitcoin units should include their acquisition date, basis, disposal date, and fair market value at disposal.