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Omkar Godbole
2 months, 2 weeks ago

The $120 million Coldcard wallet hack lights up Bitcoin's memory pool: Crypto Daily

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This is an excerpt from CoinDesk newsletter 'Daybook.' Sign up here , if you haven't already.

There’s an old saying that “every coin has two sides.” It applies perfectly to the multimillion-dollar hack of the hardware wallet Coldcard that began on July 30 and is still in progress.

On one hand, the hack raised questions about the safety of taking direct custody of coins in hardware wallets as a long-term holding strategy, a technique that became popular following the collapse of the FTX exchange in 2022.

On the other hand — and this is the bright side — it spurred the shuffling and reshuffling of coins to exchanges and multiple wallets alike by holders.

This bright side is evident from key data, starting with the number of transactions sitting in Bitcoin’s memory pool awaiting confirmation from miners. That count has spiked since late July, reaching 89,031 on Tuesday, the most since February 2025, according to data from Blockchain.com (check the Daily Signal).

Other metrics reveal the same picture. According to data-tracking firm Santiment, the number of active addresses hit a three-month high of 712,000, and transactions from large holders, known as whales, climbed to a five-month high of 61,800.
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