Fidelity's director of global macro Jurrien Timmer argues that Bitcoin has likely completed another four-year halving cycle after hitting an October high close to $125,000, with a potential peak near $126,200. He maps out a support zone between $65,000 and $75,000 based on historical drawdowns and cycle timing, suggesting 2026 could be a cooling "off-year" as ETF flows and macro conditions drive price behavior.

A court‑appointed administrator overseeing Terraform’s wind‑down sued Jump for $4 billion, alleging undisclosed trading and incentive arrangements used to defend TerraUSD’s peg, according to The Wall Street Journal. The dispute emerges as dollar‑pegged tokens gain roles in settlement and remittances, testing what $1 stability really entails. Jump has denied the claims.

Bitcoin does not store encrypted secrets on-chain, so a quantum computer would target signature forgery on revealed public keys rather than "decrypt" the ledger. The near‑term levers are public‑key exposure and wallet behavior, while migration to quantum‑resistant spending paths is a protocol and UX challenge rather than an immediate crisis.

Bitcoin traded near $89,000 after its 14-day relative strength index dropped below 30 in mid-November, a level many traders treat as a capitulation signal. An event-study chart shared by Julien Bittel compares this oversold break with the previous five such instances and sketches an average path toward roughly $180,000 about 90 days later, implying about a 105% gain if repeated. Analysts now focus on key levels such as $106,400, ETF flow trends, and liquidity conditions to gauge whether the current rebound can evolve from a range-bound bounce into a sustained advance.

On Dec. 17, SBI Ripple Asia signed a memorandum of understanding with Doppler Finance to explore XRP-based yield infrastructure and real‑world asset tokenization on the XRP Ledger. The companies described this as their first partnership with an XRPL‑native protocol and named SBI Digital Markets as the institutional custodian with segregated custody, aiming to route XRP into regulated yield sources despite the asset's lack of native staking.

X plans to implement new Terms of Service on Jan. 15, 2026, redefining user "Content" to explicitly include AI prompts, inputs, outputs, and information created or obtained through its services, while keeping the current Nov. 15, 2024 terms active until then. Under the updated contract, users grant X a broad license to reuse this Content for any purpose, including AI training, face new bans on AI "jailbreaking" and scraping, and remain subject to a $100 liability cap and Texas-based dispute rules that critics say could chill research and speech.

President Donald Trump said this week the U.S. has taken in roughly $18 trillion from tariffs. Treasury data shows customs duties totaled about $195 billion in fiscal year 2025, with monthly collections in late 2025 exceeding $30 billion, and reviews note his tally bundles investment pledges rather than cash receipts. The administration is also pushing blockchain-based transparency for public financial data.

Whale Alert flagged an on-chain transfer of 43,033 BTC worth about $3.93 billion, with intelligence dashboards clustering the receiving address to Twenty One. Jack Mallers said the firm plans to start trading on December 9 and will move "over 43,500 Bitcoin out of escrow and into our custody," describing the shift as a custody realignment.

Bitcoin climbed back toward $93,000 after traders lifted December Federal Reserve rate cut probabilities into the mid-to-high 80% range and the dollar posted its ninth consecutive daily decline. Market attention has also shifted to potential successors for Fed Chair Jerome Powell, whose term concludes in May 2026, with former Coinbase advisor Kevin Hassett emerging as a leading candidate, according to Reuters.