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

Nvidia and Mistral AI partner to accelerate open-source AI

<p>NVIDIA partners with Mistral AI to accelerate open-source AI models, focusing on enhanced deployment and enterprise applications on GPUs.</p><p>The post <a href="https://cryptobriefing.com/nvidia-mistral-ai-open-models-partnership/">Nvidia and Mistral AI partner to accelerate open-source AI</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

American Bitcoin Stock ($ABTC) Collapses Over 50% as Crypto Volatility Continues Slamming Trump-Linked Ventures

Bitcoin MagazineAmerican Bitcoin Stock ($ABTC) Collapses Over 50% as Crypto Volatility Continues Slamming Trump-Linked VenturesAmerican Bitcoin’s stock unraveled in real time Tuesday.&nbsp;The mining and Bitcoin-treasury company co-founded by Eric Trump saw its stock plunge more than 50% in the first hour of trading, triggering multiple halts and wiping out months of speculative gains.&nbsp;The company, listed on Nasdaq under the ticker ABTC, had already been reeling from Bitcoin’s steep pullbac

Kraken Moves to Acquire Backed in Bid to Expand Global Tokenized Equities

Kraken is moving to acquire Backed Finance AG, aiming to pull tokenized equities deeper into the global financial mainstream. Backed to Join Kraken as Tokenized Stock Demand Climbs Worldwide Kraken has agreed to purchase Backed Finance AG, the issuer behind xStocks, in a deal meant to accelerate the expansion of tokenized equities while tightening the [&#8230;]

Everything you need to know for Bitcoin and crypto ahead of Jerome Powell’s upcoming FOMC meeting

Jerome Powell stepped in front of cameras on Dec. 1 at the Hoover Institution&#8217;s George Shultz memorial event with three audiences watching: bond traders pricing an 87% chance of a December rate cut, a divided Federal Open Market Committee bracing for possible dissents, and a Bitcoin market that just bled $4.3 billion from US spot ETFs in November alone.The event billed itself as an academic panel on Shultz&#8217;s economic legacy. The market treated it as the last macroeconomic checkpoint

Qivalis to launch euro stablecoin by 2026 backed by major European banks

<p>Qivalis, backed by top European banks, plans a euro stablecoin launch by 2026 to challenge US-led payments and boost EU digital sovereignty.</p><p>The post <a href="https://cryptobriefing.com/qivalis-euro-stablecoin-european-banks-2026/">Qivalis to launch euro stablecoin by 2026 backed by major European banks</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Kalshi Launches Onchain Event Contracts as Solana Integration Goes Live

Kalshi rolled out tokenized versions of its event contracts on Dec. 1, 2025, bringing its CFTC-regulated prediction markets directly into the onchain trading arena. Solana Chosen for Kalshi’s First Wave of Tokenized Event Contracts Kalshi, already known as the first federally regulated exchange offering event contracts across politics, macro data, sports, and more, has now [&#8230;]

Singularity Compute launches first enterprise-grade NVIDIA GPU cluster in Sweden

<p>The launch marks a pivotal step in advancing decentralized AI infrastructure, potentially accelerating the path toward global Artificial Superintelligence.</p><p>The post <a href="https://cryptobriefing.com/enterprise-gpu-cluster-sweden/">Singularity Compute launches first enterprise-grade NVIDIA GPU cluster in Sweden</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

5 Legit Bitcoin Cloud Mining Apps for Beginners in 2025

Bitcoin cloud mining has entered a new stage in 2025. With the rise of renewable-energy data centers, short-cycle mining contracts, and AI-driven allocation algorithms, beginners can finally mine BTC, DOGE, or LTC without touching hardware or battling electricity costs.This guide highlights five verified and beginner-friendly Bitcoin cloud mining apps built for fast payouts, transparent dashboards, and low-risk entry.Quick Preview Table — 2025’s Most Legit Crypto Cloud Mining AppsApp NameKey Adv

BlackRock’s spot Bitcoin ETF sees over $1.8B volume in first two hours

<p>The rapid uptake of BlackRock's Bitcoin ETF underscores growing institutional confidence in crypto, potentially stabilizing market volatility.</p><p>The post <a href="https://cryptobriefing.com/blackrock-spot-bitcoin-etf-trading-volume/">BlackRock&#8217;s spot Bitcoin ETF sees over $1.8B volume in first two hours</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Vanguard Cracks Open Crypto Access With Expansive BTC, ETH, XRP, SOL ETF Listings

Vanguard’s move to open crypto ETF access marks a pivotal expansion for millions of investors, widening mainstream exposure to digital assets such as BTC, ETH, XRP, and SOL while reshaping how traditional portfolios approach emerging markets. Vanguard Opens Door to Crypto ETFs With BTC, ETH, XRP, SOL Gaining Traction Vanguard Group, which oversees about $11 [&#8230;]

Digitap’s ($TAP) Cyber Monday Crypto Presale Ends in 24 Hours – A Strong Bet Compared with SOL

The final 24 hours of this Cyber Monday crypto presale highlight a key choice for investors. On one side is Solana (SOL), a large‑cap smart‑contract platform with deep liquidity and history. On the other side is Digitap ($TAP), the world’s first omni-bank with a live product and early bird pricing. When analyzing the cryptos, a key factor is that they deliver something tangible to investors, at a discounted price — especially in a market downturn. For those eyeing altcoins to buy, this last‑call

‘Big Short’ Michael Burry says Bitcoin worse than tulip bubble

<p>Burry's critique highlights potential risks of speculative bubbles in digital currencies, raising concerns about their long-term stability and impact.</p><p>The post <a href="https://cryptobriefing.com/bitcoin-bubble-michael-burry-warning/">&#8216;Big Short&#8217; Michael Burry says Bitcoin worse than tulip bubble</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Uniswap Labs integrates Revolut for seamless crypto purchases

<p>Uniswap Labs integrates Revolut for crypto onboarding, allowing users to buy digital assets directly via mobile wallet and web app.</p><p>The post <a href="https://cryptobriefing.com/uniswap-labs-integrates-revolut-for-crypto-onboarding/">Uniswap Labs integrates Revolut for seamless crypto purchases</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

SEC Confirms January 2026 Launch of Landmark Crypto “Innovation Exemption”

Key Takeaways:SEC Chair Paul Atkins says the agency will introduce a nationwide crypto “Innovation Exemption” in January 2026, aiming to ease the rollout of on-chain products under regulated oversight.The exemption is designed to lower barriers for crypto firms, marking the clearest shift away from the enforcement-heavy posture seen under the previous administration.Major U.S. stock exchanges have pushed back, warning the SEC that exemptive relief for digital-asset platforms could disrupt compet

Why Solana’s crypto casino changed hands from memecoins to prediction markets

Solana&#8217;s memecoin trading registered $13.9 billion in monthly volume last month, the lowest print since February 2024, when the mania hadn&#8217;t yet caught fire.At the same time, Polymarket clocked $3.7 billion in volume, its best month since launch, while Kalshi posted $4.25 billion in volume, its second-best performance. Together, the two largest prediction platforms moved nearly $8 billion, equal to 57% of Solana&#8217;s memecoin churn.That ratio sat below 10% as recently as August. B

Sonnet shareholders approve Hyperliquid merger to launch HYPE-focused crypto treasury

<p>Sonnet gets approval to merge with Hyperliquid and launch the first digital asset treasury centered on the HYPE token.</p><p>The post <a href="https://cryptobriefing.com/hyperliquid-crypto-treasury-strategy/">Sonnet shareholders approve Hyperliquid merger to launch HYPE-focused crypto treasury</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>

Shark Tank Star Kevin O’Leary: Altcoins Are Finished—BTC and ETH Hold All the Alpha

Kevin O’Leary says the noise across digital assets today boils down to one blunt truth: bitcoin and ethereum are the only alpha left standing. ‘All You Need Is BTC and ETH,’ Mr. Wonderful Says Kevin O’Leary is not mincing words about crypto’s current mood. The entrepreneur and television personality known as “Mr. Wonderful” says the [&#8230;]

Kraken Doubles Down on Tokenized Stocks With Backed Finance Acquisition

Kraken has agreed to acquire Backed Finance, aplatform that issues blockchain-based tokens mirroring real-world securitiessuch as individual stocks and exchange-traded funds. The exchange aims to pull these products closer to the coreof its trading business as it prepares for a planned public listing in 2026.Deal Details and Strategic FitKraken already lists a range of tokenized stocks andETFs that Backed issues, but the acquisition will allow the exchange tointegrate issuance and trading under

MetaMask rolls out Transaction Shield, a new transaction loss protection feature

<p>MetaMask debuts Transaction Shield to give users added protection on verified transactions with monthly coverage up to $10,000.</p><p>The post <a href="https://cryptobriefing.com/metamask-launches-transaction-shield-for-enhanced-user-security/">MetaMask rolls out Transaction Shield, a new transaction loss protection feature</a> appeared first on <a href="https://cryptobriefing.com">Crypto Briefing</a>.</p>