
A Bitcoin (CRYPTO:BTC) wallet dormant since 2013 transferred 500 BTC worth US$31.3 million to a new wallet on Monday.
The Bitcoin was worth about US$500,000 when it last moved 12.7 years ago, according to CoinDesk.
Galaxy researchers estimated the Coldcard incident had caused about US$130 million in Bitcoin losses since 30 July.
CryptoQuant data showed about 935 BTC dormant for at least 10 years moved on 3 August.
Another 6,388 BTC dormant for five to seven years moved on 31 July, according to CryptoQuant.
Long-dormant Bitcoin can move for several reasons, including estate transfers, exchange consolidation, custody changes or security-related wallet migrations.
At the time of reporting, Bitcoin price was $63,770.42.
A plaintiff identified as Noah Doe filed a lawsuit in New York seeking legal title to approximately 3.8 million Bitcoin (CRYPTO:BTC) held across roughly 39,000 wallets.
A dormant Bitcoin (CRYPTO:BTC) wallet transferred 30 BTC worth about US$1.88 million for the first time since August 2011, drawing attention because the address is named in a New York lawsuit over inactive cryptocurrency holdings.