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

The Recipe for 1,500% Gains: Aurora Labs CEO Breaks Down ZEC Surge and Crypto’s Privacy Pivot

Aurora Labs CEO Alex Shevchenko attributes Zcash’s rally to a clear narrative as “encrypted Bitcoin,” years of development and legitimacy and authentic endorsements from respected voices. Privacy as a Human Right The cryptocurrency market has recently witnessed a seismic event: the price of privacy coin Zcash (ZEC) soared by an estimated 1,500% in just months. […]

Arthur Hayes warns Tether’s Bitcoin and gold bet exposes it to major downside risk

<p>Tether's strategy could amplify financial instability concerns, potentially affecting market confidence and USDT's perceived reliability.</p><p>The post <a href="https://cryptobriefing.com/tether-may-struggle-if-fed-cuts-rates-warns-arthur-hayes/">Arthur Hayes warns Tether&#8217;s Bitcoin and gold bet exposes it to major downside risk</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Korean Exchange Upbit Accelerates Security Overhaul After $30M Cyberattack

A cybersecurity breach pushed crypto platform Upbit to halt transfers and rebuild parts of its wallet infrastructure while investigators reviewed abnormal activity and the exchange moved to assure customers their assets remained fully protected. Upbit Races to Fortify Systems After Security Breach South Korean crypto exchange Upbit issued an announcement on Nov. 28 from Oh [&#8230;]

Arthur Hayes: Crypto Forces TradFi to Adapt or Die With Equity Perps Becoming 2026’s Hottest Play

Crypto-driven perpetual futures are rapidly emerging as the next frontier in global price discovery, reshaping how equities and major indices will trade as traditional exchanges confront an urgent adapt-or-die crossroads. Perpetual Futures’ Rising Influence on Global Markets Bitmex co-founder and Maelstrom CIO Arthur Hayes published on Nov. 27 that traditional exchanges face an “adapt or [&#8230;]

Ripple Sees Tremendous Traction With Africa and Turkey Fueling Flows

As inflation and currency turmoil intensify across Sub-Saharan Africa and Turkey, crypto use is surging, signaling a pivotal shift that is fueling new momentum for Ripple’s expanding foothold in these rapidly evolving markets. Ripple Confirms Tremendous Traction as Africa and Turkey Reshape Demand Ripple executive Reece Merrick shared earlier this week on social media platform [&#8230;]

Ethereum ETF outflows surge to $1.4B in November

<p>Investor retreat from Ethereum ETFs highlights growing caution and volatility in crypto markets, potentially impacting future fund strategies.</p><p>The post <a href="https://cryptobriefing.com/ethereum-etf-outflows-november-2025/">Ethereum ETF outflows surge to $1.4B in November</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Robert Kiyosaki Says Buy Bitcoin as Yen Carry Trade Forces Bubble Panic

Mounting stress from a rapidly unwinding yen carry trade is reviving fears of a broad market slide, driving Robert Kiyosaki’s latest warning that investors brace for turbulence by shifting toward assets he says can hold firm as volatility accelerates. Robert Kiyosaki Renews Alarms on Global Market Stress Robert Kiyosaki, author of the best-selling book Rich [&#8230;]

Ripple Sees Huge Stablecoin Demand With RLUSD Perfectly Positioned

Stablecoins are rapidly shifting from trading tools to a backbone of global payments, with soaring settlement volumes and accelerating adoption placing Ripple’s RLUSD in a strategic position as blockchain-based transactions outpace legacy networks worldwide. Ripple Executive Highlights Expanding Stablecoin Utility Ripple Senior Executive Officer and Managing Director for the Middle East and Africa Reece Merrick [&#8230;]

Grayscale’s Zcash ETF: Regulated privacy, or privacy in name only?

A privacy coin is headed for Wall Street, and the wrapper says everything about what happens when a technology built for discretion tries to move through the most surveilled pipes in global finance.Grayscale’s bid to list a Zcash ETF on NYSE Arca (ticker ZCSH) marks the first serious attempt to wrap a privacy coin in the fully documented world of ETF filings, approved custodians, sanctions screening, and brokerage compliance. The entire project is set up like a stress test for a simple idea: can

Ether-Centric DAT Bitmine Breaks Ahead With Fresh ETH Grab

Ethereum treasury firm Bitmine Immersion Technologies just scooped up 14,618 ETH for its balance sheet, according to onchain records. Meanwhile, plenty of market watchers are waiting to see whether Michael Saylor’s Strategy picks up its shopping spree again after last week’s timeout. Tom Lee Doubles Down While Saylor Hints at a Possible Black Friday Buy [&#8230;]

XRP’s November Run Sends Mixed Signals as RLUSD Expansion Draws Attention

XRP is heading into the final stretch of 2025 with a cocktail of modest gains, long-term strength, and enough mixed signals to keep traders awake at night. The token’s short-term performance suggests a market that hasn’t completely made up its mind, while the broader trends hint at something sturdier underneath. And with RLUSD’s sudden burst [&#8230;]

Crypto Market Ends November Down $600B Despite Late Surge

The crypto market rebounded in the final week of November, recovering over $200 billion to close around $3.18 trillion after a sharp downturn. Bitcoin rose 7% to $90,500, briefly topping $93,000, while exchange-traded funds (ETFs) fueled inflows that signaled renewed investor appetite. Bitcoin Reclaims $90,000 Mark The crypto economy closed the last week of November [&#8230;]

Beijing Strengthens Prohibitive Stance on Crypto Speculation as Risks Grow

China’s top financial and law enforcement agencies recently convened a high-level meeting to reaffirm and strengthen the nation’s total prohibitive stance on cryptocurrencies. Reaffirming the Prohibitive Policy China’s top financial and law enforcement agencies have convened to reaffirm and strengthen the nation’s prohibitive stance on cryptocurrencies, warning that speculative activity has resurfaced and poses new [&#8230;]

A Green Wave Hits Publicly Traded Bitcoin Miners as AI Money and Market Heat Collide

On Friday — and over the past week — publicly traded bitcoin miners shrugged off the prior week’s funk and piled on a run of solid gains. Of the ten largest miners by market cap, all of them spent the last seven days comfortably swimming in green. Bitcoin Miners Erupt in Weekly Rally Across that [&#8230;]

Coinbase is Launching its Latest Update, Signaling an Announcement on December 17

Key Takeaways:On December 17, Coinbase CEO Brian Armstrong will announce a big update of the next chapter.Aspects speculated on include tokenized equities, a wider range of Base options, prediction markets, or an indication of a Base token.The use of countdown pages and minor types of social indicators has heightened expectations throughout the crypto world.Coinbase has set the crypto community on alert after CEO Brian Armstrong hinted at an announcement scheduled on December 17.The message, wit

Triple-Digit Wins and Brutal Losses: The Crypto Market Delivers a Roller Coaster Week

On Nov. 29, the crypto economy slipped 1.84% to $3.09 trillion, cooling off after a week that wore a brighter shade of green. Bitcoin tacked on 8.2% in gains and ethereum added 10.1%, yet plenty of other tokens outperformed the big names — and a few lagged behind entirely, refusing to hitch a ride on [&#8230;]

8 Free Crypto Cloud Mining Websites in 2025 for Beginners

Free crypto cloud mining has surged in popularity throughout 2025 as more beginners search for safe, hardware-free ways to test real Bitcoin and Dogecoin mining. With ASIC machines becoming more expensive, electricity costs rising across the U.S. and Europe, and network difficulty reaching new highs, free trial hash power has become the simplest gateway for first-time miners.Platforms offering real hash power, renewable-energy mining, and transparent dashboards now dominate search demand for ter

Arthur Hayes says most L1s outside Ethereum and Solana are headed to zero

<p>The potential collapse of most L1s could consolidate market focus and investment on Ethereum and Solana, impacting blockchain innovation.</p><p>The post <a href="https://cryptobriefing.com/layer-1-tokens-ethereum-solana/">Arthur Hayes says most L1s outside Ethereum and Solana are headed to zero</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Bitcoin Price Watch: Volume Fades, but a Breakout Still Beckons

If bitcoin’s mood had a name today, it’d be “cautiously optimistic with a hint of suspense.” After a thunderous drop and a dramatic bounce, the king of crypto now appears to be tiptoeing along a tightrope of indecision, with bulls and bears exchanging awkward glances but neither making the first move. Bitcoin Chart Outlook The [&#8230;]