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Bitcoin Core developer Cory Fields has proposed “quantum landmines,” a thought experiment that would require would-be quantum thieves to post collateral before attempting to steal vulnerable BTC. The concept could reward honest behavior or forfeit collateral after attempted theft, but depends on quantum-safe wallets and unresolved soft-fork rules; approximately 7.1 million BTC, or 35% of circulating supply, currently sit in wallets with exposed public keys. If developers refine the proposal and reach community agreement, it could add an economic deterrent to Bitcoin’s quantum-security defenses, though no implementation is currently underway.
A Bitcoin Core developer has proposed “quantum landmines” that would force potential quantum thieves to risk their own BTC as collateral before attempting to steal vulnerable coins. Cory Fields’ thought experiments include locking the attacker’s collateral alongside targeted bitcoin for a waiting period, allowing legitimate owners to reveal hidden proof and reclaim their holdings plus the penalty. The proposal could discourage future quantum attacks, but implementation remains uncertain and would require quantum-safe wallets, unwritten enforcement rules and additional collateral from honest holders.
Fiserv shares surged nearly 13% after earnings, while crypto-linked stocks Robinhood and Coinbase headed for a sixth consecutive weekly decline amid Bitcoin weakness and growing regulatory uncertainty.
Fiserv benefited from an earnings beat and a new $500 million share buyback authorization, while six federal agencies are preparing fintech innovation guidelines ahead of a November 15 deadline.
Stronger regulatory oversight under Democratic congressional control could pressure crypto platforms, although continued institutional integration may limit the sector's downside.
Crypto-friendly Republican French Hill won reelection in Arkansas but is expected to lose his House Financial Services Committee chairmanship after Democrats gained control of the House. Hill sponsored the CLARITY Act and supported the GENIUS Act, while Democrat Maxine Waters is the leading contender to replace him as chair; crypto-backed PACs spent more than $176 million during the election cycle. The leadership change could increase regulatory scrutiny and create uncertainty around the future of US crypto legislation.
Stacks has opened registration for Bitcoin Bond 4, its latest BTC staking offering, with the bond set to open by December 3, 2026.
The product allows participants to stake BTC while retaining self-custody on Bitcoin L1, following a Bond 3 offering that sold out with institutional participation from Bullish and 21shares.
Continued institutional demand could strengthen Bitcoin staking adoption and indirectly support demand for STX.
Bitcoin fell below $76,000 as a broad AI-stock selloff spread across financial markets, dragging cryptocurrencies and crypto-related stocks lower.
The Nasdaq dropped nearly 6%, crypto miners plunged 15%-20%, and more than $1 billion in crypto derivatives positions were liquidated, mostly bullish bets.
Despite the sharp selloff, crypto's relative resilience compared with AI-linked stocks could support longer-term optimism, although continued weakness in AI sentiment may pressure digital assets.
US regulators have reportedly contacted banks to assess unusual activity and potential service disruptions following Binance’s $6.34 billion hack, raising scrutiny of crypto-related security exposures across the banking sector.
The Federal Reserve and OCC are examining potential risks involving crypto custody, counterparty exposure and incident response, while $2.85 billion in affected digital assets had been frozen or intercepted.
The inquiries could intensify cybersecurity oversight of banks serving crypto businesses and increase pressure on institutions to strengthen controls against sophisticated attacks.
Bitcoin layer-2 yield opportunities are facing mounting sustainability and security concerns as venture-funded incentives dilute and investors chase increasingly risky returns, according to Two Prime CEO Alexander Blume.
Babylon holds approximately 40,800 BTC worth $3.28 billion while its BABY token inflation runs at 5.5%; Two Prime's alternative Axiom vault offers 1.61% net APY backed by borrower interest and $10–12 million in first-loss capital.
Shrinking incentive-driven yields could pressure Bitcoin layer-2 protocols and redirect capital toward lending-based strategies, although credit, smart-contract and bridge risks remain.
Stacks Bond 3 has attracted 1,005 BTC, exceeding the combined 735 BTC committed to its first two bonds and marking a significant expansion in Bitcoin staking participation.
Across all three bonds, total commitments have reached 1,740 BTC, with participants eligible for approximately 3% annualized BTC yield paid weekly and Bond 3 scheduled to open around November 10.
Growing bond demand could strengthen BTC staking adoption and increase demand for STX, although larger bond allocations may reduce the rewards remaining for STX stakers.
Anchorage Digital has applied for CFTC swap dealer registration to expand its institutional cryptocurrency options business under a federally regulated derivatives framework.
If approved, the firm expects to offer European-style Bitcoin and Ethereum options with maturities of up to one year, while meeting CFTC capital, risk management, and margin requirements.
The move could strengthen institutional access to regulated crypto derivatives and support greater demand for BTC and ETH options.
$631 million in crypto long positions were liquidated within 24 hours as leveraged traders absorbed heavy losses during volatile market swings. Bitcoin accounted for $200M-$410M in liquidations, while Ethereum saw $170M-$250M, with Binance representing approximately 40%-50% of total liquidations. Persistent leverage and concentrated forced selling could intensify volatility and increase the risk of further liquidation cascades across crypto markets.
Bitcoin and major cryptocurrencies extended their gains as a broad risk-asset rally and a $730 million crypto liquidation wave fueled a short squeeze, pushing total crypto market capitalization to $2.66 trillion.
Short liquidations surged to $448 million from $179 million a day earlier, while U.S. spot Bitcoin and Ethereum ETFs recorded $75 million and $53 million in net inflows, respectively.
Continued short covering and renewed ETF demand could support further crypto gains, although mixed performance across major altcoins may limit the breadth of the rally.
Gate CEO Lin Han says crypto exchanges should be able to withstand the complete theft of their online wallets without exposing customer funds, highlighting the need for stronger security standards after Binance's record-breaking hack.
Gate is introducing Proof of Security (PoSEC), measuring whether cold storage assets cover 100% of customer liabilities, while reporting 104.58% cold storage coverage and $8.69 billion in reserves.
Broader adoption of PoSEC could increase transparency, strengthen exchange security expectations, and intensify pressure on crypto platforms to demonstrate that customer assets remain protected during breaches.
Bitcoin fell back below $80,000 on Thursday as investor optimism following the Democratic midterm sweep faded, reversing part of Wednesday's rally.
Bitcoin traded 0.7% lower at $79,607 after its strongest daily performance since September 21, while Ether dropped 1.1% to $2,389.93.
Uncertainty over future U.S. crypto regulation and upcoming October payrolls data could intensify volatility in Bitcoin and broader crypto markets.
Bitcoin fell below $80,000 on Thursday, dropping 0.7% to $79,607 as post-midterm investor optimism faded and Wednesday's rally lost momentum.
Bitcoin had surged alongside U.S. stocks on Wednesday as oil prices plunged more than 8%, while Ether also reversed lower, declining 1.1% to $2,389.93.
Concerns over potentially tougher or slower crypto regulation under Democratic congressional control could pressure sentiment, while persistent U.S. fiscal deficits may strengthen the longer-term case for scarce assets like Bitcoin.
Bitcoin ETFs recorded $74.57 million in net inflows on November 4 as Bitcoin rebounded, but trader James Wynn doubled down on his bearish position after three consecutive short liquidations.
Fidelity’s FBTC attracted $237 million while other Bitcoin ETFs collectively lost about $162 million, and Ethereum ETFs recorded $53.02 million in inflows after five straight days of outflows.
Continued ETF inflows could support Bitcoin’s recovery and intensify pressure on leveraged short sellers, although upcoming sessions will determine whether institutional demand is sustained.
Bitcoin has held above $80,000 despite recent volatility, but weak spot demand and a lack of fresh leveraged positioning suggest the recovery may be a short-covering rally rather than a sustainable uptrend.
Bitcoin futures open interest remains largely unchanged at $53.40 billion, while US spot Bitcoin ETFs attracted just $74 million on Wednesday following more than $400 million in outflows over the previous two trading sessions.
With $300 million in BTC short liquidations driving much of the recent rebound and Coinbase Premium remaining negative, Bitcoin could face renewed downside pressure unless stronger spot buying emerges.
Bitcoin faces potential downside pressure as Riot Platforms sold 8,962 BTC to fund data center expansion and repay debt, adding to 20,264 BTC in sales through Q3 2026.
Countering the selling pressure, Fidelity's spot Bitcoin ETF attracted $236.7 million in inflows on November 5, while Riot held just 2,418 BTC at September-end; leveraged short liquidations have also been driving recent BTC gains.
With fewer short positions available to fuel further squeezes, Bitcoin could face renewed downside pressure, particularly if it loses $79,000 and approaches the $76,800 warning level.
Global markets rallied as investors assessed the Democratic midterm election victory, with US and European equities advancing, the dollar weakening, and cryptocurrencies posting strong gains.
Bitcoin climbed 2.46% to $80,449, Ethereum gained 4.04% to $2,418, and Solana advanced 3.60% to $96.86, while gold rose 1.59% and bond yields eased across major regions.
Improving risk appetite and easing geopolitical concerns could support further gains across cryptocurrencies and broader risk assets, although US payrolls data and the Bank of England's expected rate hike remain key uncertainties.
HTX has launched a winter Earn promotion offering boosted APYs of up to 10% on seven cryptocurrencies and stablecoins, with subscription quotas reaching approximately $14 million per user. Eligible assets include BTC, ETH, TRX, USDT, USDC, USDS and USDD, with each asset eligible for up to $2 million in 7-day fixed-term subscriptions. The promotion could encourage users to retain assets on HTX, increase platform deposits and support demand for participating tokens, although the short-term campaign does not guarantee broader market recovery.
Bitcoin mining stocks that pivoted to AI infrastructure fell an average 35% in October, but VanEck argues the selloff represents a market dislocation rather than a breakdown in the business model. Hut 8 and Core Scientific were among the affected companies, while VanEck noted that no signed leases had been canceled and that power capacity remains a critical bottleneck for AI computing. The sharp correction could create a recovery opportunity for AI-focused Bitcoin miners if contracted cash flows and demand for power infrastructure remain intact.
Trump-linked American Bitcoin reported a $126 million Q3 profit, reversing its $57.2 million Q2 loss, as its Bitcoin holdings grew to 8,427 BTC. Earnings per share of $1.73 beat the 26-cent estimate, but revenue fell to $63.4 million, missing forecasts of approximately $74 million, while mining costs climbed to $42,100 per BTC and gross margins declined to 41%. The results could reinforce confidence in American Bitcoin's treasury strategy, although rising mining costs and weaker revenue could pressure its profitability and ABTC shares.
Bitcoin is holding above $80,000 after Wednesday's rally, while Injective surged following Nasdaq's approval of a staked INJ ETF listing. U.S. spot Bitcoin ETFs recorded $74.6 million in inflows, ending a three-day outflow streak, while BTC's 24-hour liquidations reached $267 million, with 93% coming from shorts. Nasdaq's approval of Canary Capital's proposed INJ ETF, trading under INJC, helped INJ gain around 10% over 24 hours. Continued ETF inflows and reduced demand for downside protection could support further crypto upside, although Bitcoin's rally remains heavily driven by short liquidations rather than fresh long positioning.
Binance has proactively revoked all API keys linked to SignalPlus after the crypto derivatives platform reported a potential security issue.
Binance confirmed that its own systems remain unaffected and user funds are safe.
The incident could increase scrutiny of third-party crypto trading infrastructure and reinforce concerns around API-connected platform security.
Binance and Deribit have revoked all API keys linked to crypto trading platform SignalPlus following a reported potential security issue.
Both exchanges said their systems and user funds remain unaffected, with no indication of compromised exchange systems or data.
The incident could increase scrutiny of third-party trading platform security and prompt users to reassess API permissions and open positions.
Bitcoin rebounded above $80,000 as Tom Lee maintained a bullish outlook on crypto and Michael Saylor highlighted bipartisan support for Bitcoin.
BTC traded at $80,355, up more than 3% in 24 hours, while Saylor pointed to Bitcoin reserve support from politicians in both parties.
Continued bipartisan backing could strengthen Bitcoin's long-term adoption narrative, although Democratic control of Congress introduces uncertainty over future crypto policy.
Bitcoin recovered above $80,000 on Thursday after a midterm-driven selloff, as improving risk sentiment following the Democrats' congressional sweep lifted crypto and broader markets. U.S. spot Bitcoin ETFs attracted about $75 million on Wednesday and Ether ETFs took in $53 million, while ETH and SOL each gained nearly 4%; Democrats have also indicated opposition to the CLARITY Act. Renewed ETF demand and easing geopolitical concerns could support further crypto gains, although uncertainty over U.S. crypto legislation may limit momentum.
Bitcoin's relative performance against the S&P 500 has recovered to a 50% session win rate over the latest 90 trading sessions, ending a losing streak that had persisted since March 2025.
Glassnode reports Bitcoin's average session gains are now slightly higher than the S&P 500, while historical data shows the index gained an average of 10.7% in the three months following comparable Democratic midterm sweeps.
Improving relative momentum and positive stock-market seasonality could support risk appetite, although Bitcoin's direction may remain closely tied to broader equity-market performance.
Riot Platforms has signed a $28 billion AI infrastructure deal with Anthropic that could require it to pay 12% annual interest on billions of dollars in datacenter construction reimbursements, creating substantial financing costs as it pivots away from Bitcoin mining.
Pension funds and other long-term allocators should not base their Bitcoin investment strategies on which party controls Congress, according to Cartwright investment consulting director Sam Roberts.
Roberts argues that supportive U.S. legislation is only a marginal factor and that persistent fiscal deficits could strengthen the investment case for scarce assets such as Bitcoin and gold.
Continued institutional interest independent of political changes could support Bitcoin's long-term investment demand.