Crypto World Echo

Valkyrie amends Bitcoin Fund S-1 filing with enhanced custody and valuation rules

Valkyrie Investments refiled an amended Form S-1 with the Securities and Exchange Commission on Thursday for its Valkyrie Bitcoin Fund, adding more precise rules around custody, valuation, seed investments, and risks as the cryptocurrency investment vehicle awaits regulatory approval to trade on Nasdaq. The new filing updates the index used to value the fund’s Bitcoin from Lukka Prime to the CME CF Bitcoin Reference Rate – New York Variant, which calculates the reference rate as of 4 PM Eastern

OpenAI co-founder Andrej Karpathy joins Anthropic to double down on LLM research

<p>Karpathy's move to Anthropic highlights the intensifying competition in AI research, emphasizing the growing focus on safety and technical innovation.</p><p>The post <a href="https://cryptobriefing.com/open-ai-founder-andrej-karpathy-joins-anthropic/">OpenAI co-founder Andrej Karpathy joins Anthropic to double down on LLM research</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Elizabeth Warren accuses US regulator of approving unqualified crypto banks

<p>Warren's critique highlights potential systemic risks and calls for stricter regulations to safeguard financial stability and protect investors.</p><p>The post <a href="https://cryptobriefing.com/warren-accuses-regulators-unqualified-crypto-banks/">Elizabeth Warren accuses US regulator of approving unqualified crypto banks</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Former OpenAI staffers warn xAI’s safety issues could impact SpaceX IPO

<p>The scrutiny of xAI's safety practices could influence investor confidence and regulatory frameworks, impacting Musk's broader business ventures.</p><p>The post <a href="https://cryptobriefing.com/xai-safety-issues-spacex-ipo-warning/">Former OpenAI staffers warn xAI&#8217;s safety issues could impact SpaceX IPO</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Canaan (CAN) Wins Contract to Supply Crypto Mining Heat to Nordic District Heating Network

Bitcoin MagazineCanaan (CAN) Wins Contract to Supply Crypto Mining Heat to Nordic District Heating NetworkCanaan Inc. (NASDAQ: CAN), the Bitcoin mining equipment manufacturer, has secured a contract to provide heat-recovery computing infrastructure to a district heating network in the Nordic region, the company announced today.The deal centers on Canaan&#8217;s Avalon A1566HA hydro-cooled mining units, which capture thermal output from Bitcoin mining operations and redirect it as hot water into

Retail Traders Get Custom AI Stock Research as Webull Launches Vega Analyst

Webull has launched anew artificial intelligence research tool called Vega Analyst. The feature ispart of its existing Vega suite of AI products for investors.The launch comes amida broader shift in retail brokerage platforms toward embedding artificialintelligence into trading and research workflows. Over the past several months,firmssuch as eToro and Robinhood have introduced AI tools ranging from tradingassistants to portfolio analysis features. At the same time,newer entrants such as Moomooh

Ex-FTX Europe exec launches UpsideOnly to let retail traders share in AI-generated profits

<p>UpsideOnly's AI-driven model could democratize trading, reducing financial risk for retail traders and potentially reshaping market dynamics.</p><p>The post <a href="https://cryptobriefing.com/ex-ftx-head-launches-upsideonly-ai-generated-trading-profits/">Ex-FTX Europe exec launches UpsideOnly to let retail traders share in AI-generated profits</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Bitcoin ETFs Post Third-Biggest 2026 Outflow as Blackrock Loses $448M

Bitcoin funds posted their third-largest daily outflow of 2026, signaling a sharp deterioration in institutional sentiment. Ether ETFs extended their losing streak to six straight sessions, while XRP and solana products managed only modest inflows amid the broader selloff. Solana ETFs Stay Positive as Bitcoin and Ether Funds Face Heavy Selling A wave of risk [&#8230;]

Sporttrade Exits Sports Betting to Rebuild Around Prediction Markets Under CFTC Oversight

Sporttrade is shutting down its sportsbook operations in five U.S. states and applying for registration with the Commodity Futures Trading Commission as a derivatives exchange and clearinghouse.Sports wagering in New Jersey, Arizona, Colorado, Iowa, and Virginia ends on May 25, 2026. Customers have until late June to withdraw their funds.The company filed applications with the CFTC to become both a Designated Contract Market (DCM) and Derivatives Clearing Organization (DCO) in February 2026. Ins

Wintermute unveils Armitage, a DeFi vault curation platform for diverse collateral types

<p>Armitage's launch could centralize DeFi capital allocation, potentially creating new gatekeepers and influencing protocol funding dynamics.</p><p>The post <a href="https://cryptobriefing.com/wintermute-armitage-defi-vault-platform/">Wintermute unveils Armitage, a DeFi vault curation platform for diverse collateral types</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Former INFINOX Regional Manager LATAM Daniele Benez Joins 4XC

DanieleBenez has been appointed by 4XC as Head of Brand Growth for Latin America, Finance Magnates has learned.The appointment brings in an FX and CFDs industry executive with several yearsof experience in the region. Previously, Benez worked at brokers including BDSwiss, INFINOX,Vantage, Doo Prime and Hantec Markets, mainly in commercial and growth-focusedroles. 4XC Strengthens LATAM Focus with Senior HireIn her new position at 4XC, Benez will oversee efforts togrow brand awareness and client

Strive (ASST) Stacks Another 382 BTC, Total Treasury Climbs to 15,391 Bitcoin

Bitcoin MagazineStrive (ASST) Stacks Another 382 BTC, Total Treasury Climbs to 15,391 BitcoinStrive, Inc. (Nasdaq: ASST) has acquired an additional 382 bitcoin for approximately $30.3 million, paying an average cost of roughly $79,348 per coin, according to an 8-K filing with the U.S. Securities and Exchange Commission.The purchase, executed between May 13 and May 18, lifts the Dallas-based Bitcoin treasury and asset management firm&#8217;s total holdings to 15,391 BTC — cementing its status as

AI Financial SEC Filing Flags Going Concern Risk After WLFI Token Decline

AI Financial Corp., the Nevada-based fintech company holding 7.28 billion World Liberty Financial tokens, disclosed in its Q1 2026 SEC filing that substantial doubt exists about its ability to continue as a going concern within the next 12 months. AI Financial Corp Files Going Concern Warning Tied to $1.46B WLFI Token Buy AI Financial Corp. [&#8230;]

Lolli launches automatic bitcoin cashback on debit and credit card purchases

<p>Lolli's seamless bitcoin cashback integration could accelerate mainstream crypto adoption, fostering a more circular Bitcoin economy.</p><p>The post <a href="https://cryptobriefing.com/lolli-automatic-bitcoin-cashback-cards/">Lolli launches automatic bitcoin cashback on debit and credit card purchases</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Flare integrates D’CENT hardware wallets with XRP yield vaults, launches XRP Alliance

<p>Flare's integration and XRP Alliance could significantly enhance XRP's DeFi utility, attracting new users and fostering ecosystem growth.</p><p>The post <a href="https://cryptobriefing.com/flare-dcent-xrp-yield-vaults-alliance/">Flare integrates D&#8217;CENT hardware wallets with XRP yield vaults, launches XRP Alliance</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

MSTR stock is beating Bitcoin, but another Strategy asset matters more now

Throughout 2026, MSTR stock and Strategy’s preferred securities are trading as more than a simple Bitcoin proxy.Bitcoin is down about 12.5% year to date, while Strategy stock, trading as MSTR, is up about 6.8%Strategy's preferred securities have also held up better than BTC in price. STRC is nearly flat, while STRD, STRF, and STRK have all shown smaller price declines than spot Bitcoin. Those preferred figures are price moves and exclude dividends.The split shows investors valuing two separate p

SEC Prepares to Open the Door to Tokenized Stocks: Report

Bitcoin MagazineSEC Prepares to Open the Door to Tokenized Stocks: ReportThe U.S. Securities and Exchange Commission is putting the finishing touches on a framework that would allow digital, blockchain-based versions of publicly traded stocks to trade on crypto platforms — a move that signals how far Washington has traveled in its relationship with an industry it once treated with suspicion.According to a Bloomberg report published Monday, the SEC plans to release an &#8220;innovation exemption&

Why Hyperliquid’s 24% Rally Is More Than Just a Speculative Pump

Hyperliquid’s token has jumped about 24% in six days to $47.65, putting it within $11 of its September 2025 high.The launch of synthetic SpaceX perpetuals shows Hyperliquid expanding from crypto perps into on-chain equity-like price discovery.Bitwise’s ETF and treasury allocation narrative is adding a Wall Street demand layer on top of organic protocol activity.Hyperliquid’s native token, HYPE, has surged approximately 24% in just six days, trading at a red-hot $47.65. The blistering rally place

Bitcoin’s May Rally Toward $80K Ignites Fastest BTC Perpetual Futures Open Interest Growth of 2026

Bitcoin’s push toward $80,000 earlier this month has sparked the fastest growth in BTC perpetual futures open interest recorded so far in 2026, with Binance capturing the largest share of new derivatives capital. Open Interest Posts Strongest 2026 Surge Open interest is the measure of the total value of all active, unsettled futures positions across [&#8230;]

BlackRock sends 5,847 Bitcoin worth $450M to Coinbase amid ongoing crypto market swings

<p>BlackRock's Bitcoin transfer to Coinbase highlights institutional influence on crypto markets, potentially affecting investor confidence and market dynamics.</p><p>The post <a href="https://cryptobriefing.com/blackrock-450-million-dollar-bitcoin-deposit-coinbase/">BlackRock sends 5,847 Bitcoin worth $450M to Coinbase amid ongoing crypto market swings</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>