Crypto Briefs
Short updates on stories reported by a single outlet so far — summarized in a few sentences, always linking the original reporting. Stories picked up by more publications get full articles.
Sunday, October 25, 2026
Arthur Hayes: Wall Street Threatens Hyperliquid's Perpetuals Dominance
Arthur Hayes warned that Hyperliquid's token-burn mechanism, which relies on trading fees, could become vulnerable as institutional players enter the perpetuals market. Hayes suggested the protocol's core value driver exposes it to market share erosion from competitors backed by traditional finance.
Read the original at DecryptSaylor Hints at More Bitcoin Buys as MicroStrategy Faces Scrutiny
MicroStrategy executive chairman Michael Saylor posted a chart showing the company's historical bitcoin purchases with the caption "a good time to add more dots," suggesting potential new acquisitions. The post comes as Strategy faces increased scrutiny over its aggressive bitcoin accumulation strategy.
Read the original at CoinDeskBitcoin ETF Outflows Resume as Price Returns to $60K
Bitcoin approached $60,000, prompting renewed institutional outflows via spot ETFs, reversing February's pattern when ETF selling had paused during price weakness. The shift suggests institutional sentiment has turned more cautious despite the price level previously considered a support target.
Read the original at CoinDeskMultiple Headwinds Behind Bitcoin's Recent Price Decline
NYDIG's head of research Greg Cipolaro attributes bitcoin's price slide to multiple concurrent factors rather than a single cause, including AI, tech IPOs, quantum computing concerns, and a major strategy sale. The firm identifies overlapping market headwinds as the driver of recent weakness in crypto markets.
Read the original at CoinDeskEthereum slides to $1,500, testing institutional demand
Ethereum fell to $1,506 in the last 24 hours, marking its lowest level since April 2025, as a broad crypto selloff tests the institutional adoption narrative that drove the token's integration into Wall Street portfolios. The decline signals a potential reversal in the strength of the major crypto trade among professional investors.
Read the original at CryptoSlateDeFi Protocol Losses Fall 80% to $534M in 2024 as Old Attack Vectors Fade
DeFi industry losses peaked at $2.62 billion in 2022 and declined roughly 80% to $534 million in 2024, according to a CryptoSlate review spanning 2020–2025, indicating improved protocol security. However, cross-chain bridge vulnerabilities now pose an emerging risk capable of affecting multiple blockchains simultaneously, suggesting the attack surface has shifted rather than simply contracted.
Read the original at CryptoSlateSouth Korea opens illegal gambling probe into Polymarket users
South Korean police launched an investigation into domestic Polymarket users on June 5, targeting residents who wagered on the June 3 local election outcomes. The Gangwon Provincial Police Agency is tracing cryptocurrency transaction records to identify users nationwide, signaling potential regulatory pressure on prediction market platforms operating across borders.
Read the original at CryptoSlateArthur Hayes Sells Worldcoin Holdings After 'Holy Trinity Death'
BitMEX co-founder Arthur Hayes disclosed the unwinding of his Worldcoin (WLD) position days after announcing a major Maelstrom portfolio rebalancing, where he also dumped holdings in Zcash, Hyperliquid, and NEAR. Hayes framed the moves as part of a broader strategic shift, citing a discovered Orchard Pool vulnerability, though his exit from WLD sparked debate over liquidity implications and signaling effects.
Read the original at BitcoinistMichigan October Survey Shows Rising Inflation Expectations Ahead of Fed Meeting
Michigan's final October consumer survey recorded an increase in inflation expectations, complicating Bitcoin's macroeconomic outlook ahead of the Federal Reserve's next policy decision. The data suggests consumers anticipate higher price growth, which typically influences Fed rate-setting and asset valuations.
Read the original at NewsBTCHardware Wallet Provider Hit by Data Breach Amid Rising Security Issues
An unnamed major hardware wallet provider has experienced a data breach, continuing a pattern of security incidents affecting the sector following recent compromises at Ledger and Trezor. The breach underscores growing security concerns within hardware wallet providers, though specific details about the affected company and breach scope remain unclear from the headline.
Read the original at CryptoPotatoSouth Korea Eyes Delaying 22% Crypto Gains Tax Until 2029
South Korea is considering postponing implementation of a 22% capital gains tax on cryptocurrency until 2029, according to government discussions. The delay is attributed to insufficient data on overseas crypto trading and concerns about competitiveness for domestic investors relative to foreign traders with access to unreported offshore exchanges.
Read the original at Crypto.newsETH/BTC Pair Reaches Historical Support Zone, Analyst Suggests Reversal
A pseudonymous crypto analyst identified that the Ethereum-to-Bitcoin pair has declined to a price level that historically preceded bullish moves in prior cycles, with chart structures said to mirror 2020 patterns before a reversal. The observation is based on technical analysis of the trading pair's historical price action.
Read the original at BitcoinistZcash Auditor Plans Monero Security Review Following Orchard Pool Flaw
Security researcher Taylor Hornby, who discovered the Orchard Pool vulnerability in Zcash, announced plans to audit Monero and other privacy-focused cryptocurrencies. Hornby used the Claude AI Opus 4.8 model in his Zcash analysis and has added Monero to his audit queue, signaling continued scrutiny of privacy coin security.
Read the original at BitcoinistEthereum RSI hits lowest level since 2015 launch
Ethereum has fallen below $1,800, pushing its monthly RSI to approximately 40—the lowest reading since the asset's 2015 launch. The crash follows a nine-month decline from August 2025's $4,946 peak, with ETH hitting $1,536 in the past 24 hours. Historical precedent shows similar RSI resets preceded major rallies in 2020 and 2022, though the current reading marks the most extreme level in Ethereum's history.
Read the original at NewsBTC400B SHIB Whale Transfers Tokens, SHIB Falls 16% Weekly
A dormant Shiba Inu wallet holding roughly $30 million worth of tokens transferred nearly 400 billion SHIB through BitGo's smart contract after nearly 10 months of inactivity, prompting speculation about institutional movement or cold storage. The timing coincided with SHIB declining 16% over the week to $0.000004535, though the transfer mechanism via BitGo does not confirm whether tokens were sold publicly or moved off-exchange.
Read the original at NewsBTCAnalyst: Bitcoin Electrical Cost Model Suggests $50K Bear Floor
Crypto analyst Ted Pillows cited the Bitcoin Electrical Cost model to argue the cryptocurrency is unlikely to fall below $50,000 in the current bear cycle, with the model currently estimating Bitcoin's production cost floor at approximately $48,694. Pillows noted that historically, Bitcoin bear markets have found bottoms near this electrical cost level rather than falling significantly below it, though he acknowledged an extraordinary global event such as severe recession could break this support.
Read the original at NewsBTCBitcoin ETF Funds Post Weekly Gains Despite $774M Late Outflows
Bitcoin exchange-traded funds maintained a net weekly gain despite outflows of nearly $774 million in late trading, according to preliminary data cited by NewsBTC. Ethereum ETF funds, by contrast, remained in negative territory for the week. Friday's figures were noted as incomplete.
Read the original at NewsBTCBitcoin Rebounds to $80K After Schiff Crash Prediction
Bitcoin reclaimed the $80,000 level shortly after analyst Peter Schiff predicted a drop to $75,000, continuing a pattern of his bearish calls coinciding with price rallies. The article questions whether Schiff's forecast will prove accurate or if upward momentum persists through the weekend.
Read the original at CryptoPotatoRobinhood Chain handles 59% of stock token trades after hours
Robinhood Chain processed 59% of its stock token trading volume after traditional Wall Street market hours closed, according to Crypto Briefing. The pattern reflects growing demand for 24/7 trading access and signals a potential shift toward round-the-clock global financial markets outside traditional exchange operating windows.
Read the original at Crypto BriefingBitcoin and Ether ETFs Post Largest Outflows Since Nov. 20
U.S. spot bitcoin and ether ETFs experienced their largest outflows since November 20, coinciding with a decline in bitcoin's price. The outflows align with a pattern in which Mondays consistently emerge as pressure points for bitcoin trading, suggesting recurring weekly weakness in the asset.
Read the original at CoinDeskCME launches bitcoin volatility index futures; first trades executed
CME Group has begun offering futures contracts tied to bitcoin volatility rather than price movements, allowing traders to hedge or speculate on BTC price swings independent of direction. Monarq and DV Chain have already initiated trades on the new product, expanding the derivatives toolkit available to institutional participants.
Read the original at CoinDeskMorgan Stanley Enables Bitcoin Lending to Galaxy Digital for Wealth Clients
Morgan Stanley announced June 5 that eligible wealth management clients can lend Bitcoin, Ethereum, or Solana to Galaxy Digital in exchange for shares of spot crypto ETPs. Galaxy will coordinate in-kind creation with an authorized participant and deliver ETP shares directly to client accounts, marking a test of crypto as institutional lending collateral.
Read the original at CryptoSlateGrayscale CLO Says Zcash On-Chain Data Better Signal Than Prediction Markets
Grayscale Chief Legal Officer Craig Salm suggested that Zcash's shielded transaction activity provides a more reliable indicator of exploit risk than external prediction markets after Polymarket opened a market on whether the Orchard pool vulnerability disclosed June 4 was actually exploited on mainnet.
Read the original at BitcoinistEthereum Drops to Third Place as USDT Market Cap Surpasses ETH
Following Bitcoin's decline below $60,000 and Ethereum's concurrent drop toward $1,500, Ethereum lost its second-place ranking by market capitalization to Tether's USDT stablecoin. The shift marks a rare occurrence in the cryptocurrency market rankings, reflecting broader price pressure across major digital assets.
Read the original at BitcoinistVietnam to Require Crypto Trades Settled in Vietnamese Dong
Vietnam is planning to mandate that all domestic cryptocurrency trading, including Bitcoin, Ethereum, and stablecoins USDT and USDC, be settled in Vietnamese dong rather than US dollars on licensed platforms. The rule would effectively prohibit dollar-paired trades, representing a significant shift in how the country regulates crypto transactions within its digital economy.
Read the original at BitcoinistJoseph Lubin Wallet Moves $121M ETH After 3-Year Silence
A wallet attributed to Ethereum co-founder Joseph Lubin transferred over $121 million in ETH for the first time in more than three years, according to Bitcoinist. The movement coincided with ETH trading pressure, with the asset declining to yearly lows amid concerns about potential founder liquidation.
Read the original at BitcoinistCardano Bull Cites Ecosystem Gaps Behind ADA's 80% Price Drop
Crypto commentator Dan Gambardello, a longtime Cardano advocate, attributed ADA's more than 80% decline from 2024 highs to broader altcoin weakness rather than network failure, but cited years of missed ecosystem opportunities and leadership challenges. Gambardello said Cardano's top-10 market position and funding should have allowed it to strengthen its ecosystem and define its narrative more effectively within the wider crypto market.
Read the original at NewsBTCBitcoin ETF Flows Lag Price Movements, DWF Research Shows
A DWF study examining Bitcoin exchange-traded fund flows found that daily fund-flow totals do not reliably predict price movements, trailing rather than leading market swings. The research questions the common practice of using ETF flows as a near-term price forecast tool for Bitcoin.
Read the original at NewsBTCDogecoin Open Interest Falls to April Levels Amid Price Decline
Dogecoin's open interest has declined significantly in recent months, reaching April 2025 levels despite Bitcoin's uptrend. The article compares the current technical setup to historical precedent, suggesting traders are reducing leveraged positions in the meme coin even as broader crypto markets strengthen.
Read the original at BitcoinistSyscoin (SYS) Falls 20% on 5B Token Bridge Exploit
Syscoin experienced a 20% price drop following the unauthorized minting of 5 billion tokens through a bridge exploit. The network immediately paused its bridge and requested exchanges freeze deposits linked to the compromised transaction trail.
Read the original at CryptoPotato