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Solo Bitcoin miner nets $200,000 as Coldcard exploit rattles holders

Created at 3 Aug · 11:26 AM1 source↑ Market-relevant
IN SHORT

A solo Bitcoin miner successfully mined block 960,804, earning approximately $199,300. This win comes as a Coldcard hardware wallet exploit has led to significant Bitcoin losses for some holders, prompting them to move funds and causing broader market concern.

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Key Numbers

3.157 BTCblock reward for solo miner
$199,300value of block reward
13blocks claimed by solo miners this year
2.718 million BTCcurrent BTC exchange reserve
2.706 million BTCBTC exchange reserve on July 30
early 2024last time BTC sending addresses spiked
Aug. 10Senate summer recess start date

Who's Involved

Coldcard
hardware wallet targeted in an exploit
CryptoQuant
tracked BTC sending address spikes
Glassnode
stated holders are migrating coins to new wallets
Donald Trump
President of the United States
Solo Bitcoin miner nets $200,000 as Coldcard exploit rattles holders

↳ Why This Matters

The story highlights the dichotomy between individual mining success and broader market concerns over security exploits and macroeconomic pressures, impacting investor sentiment and asset flows within the cryptocurrency space.

Key facts

  • A solo Bitcoin miner earned approximately $199,300 from mining block 960,804.
  • This is the second major solo mining win in three weeks.
  • A Coldcard hardware wallet exploit has caused significant Bitcoin losses for some holders.
  • Millions of dollars worth of Bitcoin are being moved by concerned holders.
  • Rising Treasury yields and mortgage rates are seen as a headwind for risk assets.

A solo Bitcoin miner achieved a significant payday by successfully mining block 960,804, earning approximately $199,300 in BTC. This individual success contrasts with broader market anxieties stemming from a multi-million dollar exploit affecting Coldcard hardware wallets, which has led some long-term Bitcoin holders to move their savings.

This marks the second notable solo mining win in recent weeks, with individual operators continuing to defy odds with modest setups. So far this year, solo miners have secured 13 blocks. However, the wider Bitcoin mining industry faces pressure from tight margins, prompting some large companies to explore AI data centers for sustainability.

The Coldcard incident has fueled frustration among small BTC holders, with on-chain data showing a spike in BTC sending addresses and an increase in the BTC exchange reserve. While some interpret this as a move to exchanges, analytics firms like Glassnode suggest holders are migrating funds to new wallets.

Adding to market headwinds, rising Treasury yields and mortgage rates present a challenge for risk assets like cryptocurrencies. Regulatory news is also uninspiring, with the Senate leaving the Clarity Act off its agenda, leaving limited time before the summer recess.

Frequently asked questions

The solo miner earned 3.157 BTC, valued at approximately $199,300, for mining block 960,804.

The Coldcard incident refers to an exploit of the Coldcard hardware wallet that has led to the loss of Bitcoin savings for some holders.

The BTC exchange reserve has risen to 2.718 million BTC from 2.706 million BTC on July 30, indicating potential movement of funds.

Rising Treasury yields and mortgage rates are seen as potential headwinds for risk assets, including cryptocurrencies.

What Happens Next

01The Senate has five days of scheduled session time remaining before summer recess.
02Further analysis of altcoin and derivatives activity is available in CoinDesk's 'Crypto Markets Today'.

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Cadence

How It Developed

A solo miner successfully packaged block 960,804, earning 3.157 BTC valued at approximately $199,300.
The success follows a similar solo mining win three weeks prior, highlighting individual operator resilience.
Solo miners have claimed 13 blocks this year, despite broader sector stress and large companies pivoting to AI data centers.
Millions of dollars worth of Bitcoin are being moved by holders concerned about a Coldcard hardware wallet exploit.
BTC sending addresses spiked on Friday to levels not seen since early 2024.
The BTC exchange reserve has risen to 2.718 million BTC.
Some analysts suggest holders are migrating coins to new wallets rather than exchanges.
Rising Treasury yields and mortgage rates pose a headwind to risk assets.

Sources

T1
Solo Bitcoin miner nets $200,000 as Coldcard hardware wallet drains rocks sentimentCoinDesk

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