365 source-dated archive files document the cryptocurrency record for 2025. Each article displays its historical event date and separate actual publication time.
The year-end result showed that record prices, institutional access and favorable U.S. policy developments had not eliminated Bitcoin’s exposure to leverage and changing risk appetite.
A preliminary SEC registration mapped GTAO’s proposed conversion from an OTCQX trust into a TAO-holding exchange-traded product, without constituting approval or a launch.
The company spent $108.8 million on bitcoin acquired during the final full week of 2025, financing the purchase through common-stock sales as the asset struggled to hold $90,000.
A proposal to discard roughly six hours of ledger history after a $3.9 million exploit exposed the reconciliation risks linking blockchains, bridges and exchanges.
On-chain transfers attributed to the public company marked a shift from simply holding ether to putting part of its multibillion-dollar treasury to work in Ethereum’s validator system.
Roughly $27 billion to $28.5 billion of bitcoin and ether options reached settlement, exposing both the growing scale of crypto derivatives and the limits of headline notional values.
The network raised mining difficulty by approximately 0.0426% at block 929,376, ending a run of three negative adjustments without materially changing miners’ competitive conditions.
The exchange reported assets above customer liabilities across 40 covered tokens, but the assessor cautioned that the snapshot was not a comprehensive financial audit.
The central bank’s concept allowed limited purchases through regulated intermediaries while preserving Russia’s prohibition on domestic cryptocurrency payments.
The former SEC Crypto Task Force chief counsel took charge of the commodities regulator, inheriting active work on spot markets, tokenized collateral and digital-asset oversight.
The quarterly reset altered pricing inputs for bitcoin, ether and five other assets, illustrating how venue selection shapes institutional cryptocurrency benchmarks.
The live governance proposal would activate Ethereum mainnet protocol fees, burn 100 million UNI and reorganize the relationship between Uniswap Labs and the protocol’s governing association.
Central-bank researchers traced how banks, hedge funds, custody concentration and round-the-clock crypto trading connected regulated ETFs more closely to traditional finance.
The nationally chartered bank began using its dollar stablecoin for internal settlement, while broader customer and institutional access remained prospective.
The Division of Trading and Markets explained when a broker-dealer could treat blockchain-based securities as being in its physical possession under the customer-protection rule.
Cross River Bank and Lead Bank began settling Visa obligations in USDC, extending blockchain-based settlement into the U.S. operations of a major payment network.
The draft framework put stablecoin issuance, custody, trading platforms, dealing and staking on a path toward FCA authorization, while leaving parliamentary approval and detailed rules unfinished.
Bitcoin slipped through $90,000 on December 14, 2025 as thin Sunday trading and a crowded calendar of U.S. data and central-bank decisions restrained risk appetite.
The derivatives protocol attributed the loss to a vulnerability introduced by a smart-contract update while saying its principal exchange remained unaffected.
Circle, Ripple, BitGo, Fidelity Digital Assets and Paxos moved toward federal trust-bank supervision, subject to institution-specific conditions and limits.
The derivatives regulator withdrew its five-year-old framework for deciding when financed retail cryptocurrency purchases qualify as delivered, removing a detailed interpretation without changing the underlying statute.
The Federal Reserve lowered its target range to 3.5%–3.75%, revealed disagreement in both directions and prepared roughly $40 billion in initial reserve-management purchases.
Interpretive Letter 1188 placed a broker-like digital-asset execution model within national banking powers, while retaining safety, legal and supervisory requirements.
The conditional framework initially covered payment stablecoins, bitcoin and ether while requiring valuation controls, weekly reporting and incident notices.
Bitcoin recovered above $90,000 on December 7, 2025, but divergent event-day snapshots showed how quickly the weekend advance faded as traders awaited the Federal Reserve.
An end-of-UTC market snapshot showed bitcoin nearly flat and ether modestly higher on December 6, while rolling turnover fell sharply from the preceding day’s elevated levels.
The agency named participants for a public roundtable examining how privacy-preserving blockchain tools could coexist with financial oversight, but it announced no rule or exemption.
The announcement moved certain spot cryptocurrency products toward federally regulated futures exchanges, although it identified neither a launch date nor the initial products and venues.
Ethereum activated Fusaka on December 3, 2025, introducing PeerDAS and the technical foundation for staged increases in layer-two data capacity.
The investment giant began permitting select cryptocurrency ETFs and mutual funds while declining to manufacture its own crypto products.