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<p><strong>Core Scientific has terminated its Bitcoin mining chip purchase contract with Block and recorded a $41.9 million loss tied to the decision, ending a hardware supply arrangement that the two companies had positioned as a step toward decentralizing mining chip production.</strong></p><h2 id="why-core-scientific-ended-its-bitcoin-mining-chip-deal-with-block">Why Core Scientific Ended Its Bitcoin Mining Chip Deal With Block</h2><p>Core Scientific, one of the largest publicly traded Bitcoin miners, ended a purchase agreement covering mining chips supplied by Block, the payments company led by Jack Dorsey. The termination closes out a procurement relationship centered on next-generation mining hardware. For related coverage, see <a href="https://coincu.com/bitcoin-miners-2028-halving-profit-energy-infrastructure/" rel="noopener noreferrer nofollow">Bitcoin Mining After the 2028 Halving: Profit, Power, Infrastructure</a>.</p><p>Block had publicly framed its mining chip effort as a joint initiative with Core Scientific, describing the chip as <a href="https://investors.block.xyz/investor-news/news-details/2024/Blocks-New-Bitcoin-Mining-Chip-to-Be-Part-of-an-Ongoing-Project-With-Core-Scientific-to-Decentralize-Mining-Hardware/default.aspx" rel="noopener noreferrer nofollow">part of an ongoing project to decentralize mining hardware</a>. Core Scientific's decision to exit the purchase contract reverses that procurement path. For related coverage, see <a href="https://coincu.com/zkp-takes-aim-at-massive-data-markets-as-ethereum-and-dogecoin-lose-momentum/" rel="noopener noreferrer nofollow">ZKP Takes Aim at Massive Data Markets as Ethereum and Dogecoin Lose Momentum</a>.</p><h2 id="how-the-41-9-million-loss-changes-the-financial-story">How the $41.9 Million Loss Changes the Financial Story</h2><p>The most concrete consequence of the termination is a <a href="https://investors.corescientific.com/news-events/press-releases/detail/139/core-scientific-announces-second-quarter-2026-results" rel="noopener noreferrer nofollow">$41.9 million loss</a> that Core Scientific recorded in connection with ending the agreement.</p><p>The charge is an accounting impact recognized after the contract was cancelled, rather than a projection of future performance. For readers, that distinction matters: the figure reflects a one-time cost of walking away from the deal, not a recurring drag on operations.</p><p>Core Scientific disclosed the termination and related loss through its investor communications and <a href="https://investors.corescientific.com/sec-filings/all-sec-filings" rel="noopener noreferrer nofollow">regulatory filings</a>, which remain the authoritative record for the exact financial treatment.</p><h2 id="what-this-signals-for-core-scientific-s-bitcoin-mining-expansion-plans">What This Signals for Core Scientific's Bitcoin Mining Expansion Plans</h2><p>Mining chips sit at the center of any miner's fleet strategy, determining hash rate capacity and energy efficiency. Cancelling a chip purchase order signals a change in procurement or rollout priorities rather than a confirmed shift in overall direction.</p><p>The move should be read as a signal, not a settled outcome. Core Scientific has already navigated operational swings, including a <a href="https://coincu.com/core-scientific-q3-output-drop/" rel="noopener noreferrer nofollow">reported 55% drop in Bitcoin mining output</a> in a prior quarter, underscoring how sensitive miners are to hardware and deployment decisions.</p><h2 id="why-the-block-partnership-breakdown-matters-for-the-bitcoin-mining-sector">Why the Block Partnership Breakdown Matters for the Bitcoin Mining Sector</h2><p>Supplier relationships shape miner competitiveness because access to efficient chips influences cost per hash and margins. A break between a major miner and a chip counterparty is therefore relevant to anyone tracking Bitcoin mining infrastructure.</p><p>The context is a sector already under margin pressure, with many operators <a href="https://coincu.com/bitcoin-miners-shift-ai-hpc/" rel="noopener noreferrer nofollow">shifting toward AI and high-performance computing</a> and bracing for tighter economics <a href="https://coincu.com/bitcoin-mining-companies-2028-halving-pressure/" rel="noopener noreferrer nofollow">ahead of the 2028 halving</a>. Hardware sourcing decisions like this one feed directly into that competitive calculus.</p><h2 id="faq">FAQ</h2><p><strong>What contract was terminated?</strong> Core Scientific terminated a purchase contract for Bitcoin mining chips supplied by Block.</p><p><strong>Who is Block in this context?</strong> Block is the payments company that had developed a Bitcoin mining chip and positioned Core Scientific as a partner in an effort to decentralize mining hardware, <a href="https://investors.corescientific.com/sec-filings/all-sec-filings/content/0001628280-26-013305/core-20251231.htm" rel="noopener noreferrer nofollow">per Core Scientific's disclosures</a>.</p><p><strong>How large was the recorded loss?</strong> Core Scientific recorded a loss of $41.9 million tied to the termination.</p><p><strong>Why does this matter for Bitcoin mining?</strong> Chip access and supplier relationships directly affect a miner's capacity, efficiency, and cost structure, making the decision relevant to the broader mining sector.</p><p style="font-size:13px;color:#888;border-top:1px solid #333;padding-top:12px;margin-top:30px">Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always do your own research before making decisions.</p><p>The post <a href="https://coincu.com/core-scientific-terminates-bitcoin-mining-chip-purchase-contract-block-41-9-million-loss/" rel="noopener noreferrer nofollow">Core Scientific Ends Block Mining Chip Deal, Takes $41.9M Loss</a> was initially published on <a href="https://coincu.com/" rel="noopener noreferrer nofollow">Coincu</a>.</p>

Core Scientific Ends Block Mining Chip Deal, Takes $41.9M Loss

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