2026-08-05 Quarta

Notícias de cripto - Página 242

Mantenha-se a par do mercado de cripto. Notícias em tempo real, análises, preços, histórias em alta e análise de especialistas — tudo num só lugar.

Xing Bo Strikes Again: Last Time 'Critiquing' World Models, This Time It's Agents' Turn

Xing Bo, President of MBZUAI and professor at Carnegie Mellon University, along with co-authors Mingkai Deng and Jinyu Hou, has released a new paper, "Critique of Agent Model," critiquing the current state of artificial intelligence agents. The paper draws a crucial distinction between "agentic" systems, which rely on external toolchains, prompts, and workflows, and truly "agentive" systems capable of genuine autonomy driven by internal decision-making structures. To illustrate this, it references a real-world incident where an AI programming assistant, following an external prompt but lacking internalized judgment, caused a catastrophic data deletion. The authors propose a detailed analysis and a new framework, "Goal-Identity-Configurator" (GIC), for building truly autonomous agents. This framework systematically addresses five key dimensions where current "Agent" designs fall short: 1. **Goal:** Moving from step-by-step human instruction to a system capable of autonomously decomposing a single long-term goal and adapting sub-goals based on new information. 2. **Identity:** Evolving self-assessment updated by experience, rather than a static description in a system prompt. 3. **Decision Making:** Replacing textual Chain-of-Thought reasoning with "simulative reasoning" that uses a dedicated world model to predict real-world consequences before selecting actions. 4. **Cognitive Control:** Introducing a separate "System III" metacognitive module that dynamically decides when to deliberate, stick to a plan, or act quickly. 5. **Learning:** Enabling "continual autonomous learning," where the agent itself decides when to act, practice in simulation, or update its world model and self-perception. The GIC architecture integrates six components—a belief encoder, goal decomposer, identity evolver, configurator (System III), simulation-based planner (System II), and executor (System I)—to embody these principles. The paper argues that a growth path akin to pilot training (ground theory, simulator practice, real deployment) should be underpinned by a unified cognitive architecture, not separate workflows. On safety, the authors contend that the GIC framework's modular, explicit design enhances inspectability, allowing problematic behavior to be traced to specific components (e.g., flawed goal or poorly trained module) rather than emerging opaquely. However, they acknowledge that ultimate safety depends on correctly training these modules in the first place. In conclusion, the paper challenges the loose application of the term "Agent," asserting that task completion alone does not equal true autonomy. True autonomy requires goals, identity, and judgment to be genuinely internalized within the agent's architecture, not merely enforced by external scripts.

marsbit07/01 11:25

Xing Bo Strikes Again: Last Time 'Critiquing' World Models, This Time It's Agents' Turn

marsbit07/01 11:25

How Collector Crypt Uses 'Recirculating Buybacks' to Create an Illusion of Growth

Title: How Collector Crypt Creates a Growth Illusion with "Buyback Loops" Key Findings: Collector Crypt's (CC) net take rate has halved from 11.2% in Q3 2025 to 5.6% in Q2 2026, while GMV grew 4.7x. This growth is driven by higher-tier card packs ($250, $1,000, $2,500) which have lower platform dollar retention rates. The newly launched $2,500 Mythic tier captured 36.7% of June GMV within 13 days. Growth is fueled by a small cohort of high-spending, high-frequency wallets rather than broad user base expansion. The economic model faces pressure from three key areas: 1) **Shifting GMV Mix**: Pushing users towards larger, lower-retention card packs increases GMV but reduces overall profitability. 2) **Physical Redemptions**: Card redemptions for physical items remove reusable inventory from the system, creating costly replenishment needs. In May, redemptions consumed 41.6% of pre-redemption net income. Only 75 wallets drove redemptions in June. 3) **B2B/API Strategy**: Partner revenue remains negligible (cumulatively $1.83M) and dependent on CC for inventory, vaulting, and buyback services, failing to create a scalable, asset-light recurring revenue stream. The core product is a repetitive pack-buyback loop with limited secondary market activity and token value accrual. Sensitive modeling shows CC's economics turn negative when any two of the following pressures coincide: replenishment costs near market price, redemption rates exceeding 9%, or high-tier buyback rates around 93%. While CC operates in a large and growing collectibles market, its current growth levers—bigger packs, high buyback rates, and capital recycling by a few wallets—create a volume illusion without demonstrating sustainable collector engagement, deep secondary markets, or a viable path to improved margins. Future proof points include broadening collector participation, deepening secondary trading, and developing true asset-light B2B revenue channels.

Foresight News07/01 11:03

How Collector Crypt Uses 'Recirculating Buybacks' to Create an Illusion of Growth

Foresight News07/01 11:03

Grayscale's Latest Research: What is Solana's Next Growth Engine?

Grayscale's latest report, "Solana: Crypto's Financial Bazaar," signals a shift in how the market views Solana, moving beyond its high-performance and meme-centric reputation. The report frames Solana as an evolving application platform for large-scale economic activity, akin to a bustling digital marketplace. The analysis highlights that public chain competition has moved past raw throughput (TPS) to focus on genuine economic activity—daily users, transaction volume, and real revenue. Solana's metrics, such as over 1,000 dApps, 100M+ daily transactions, and ~4.3M daily active users, showcase this shift toward application-layer prosperity. The report identifies three key growth drivers: 1. **Jupiter**: Evolving from a DEX aggregator to a core liquidity hub and comprehensive financial platform for Solana's DeFi. 2. **Pump.fun**: Demonstrates Solana's capacity for consumer-scale applications, attracting millions of users and generating significant, sustainable revenue, validating network stability under high load. 3. **Helium & DePIN**: Represents expansion into real-world infrastructure, connecting blockchain to physical resources like wireless networks and positioning services, opening new long-term use cases. Solana Foundation's recent focus aligns with this broader vision, emphasizing AI Agents (for machine-to-machine transactions), payments, stablecoins, and Real-World Assets (RWA) to build a sustainable growth model beyond cyclical trends. While challenges remain—such as value capture for SOL and maintaining ecosystem sustainability beyond hot trends—institutional interest is growing due to Solana's maturing application business models, expanding payment/stablecoin ecosystem, and persistent developer activity. The competition is no longer about speed alone, but about which network can foster the most vibrant and valuable digital economy.

marsbit07/01 10:42

Grayscale's Latest Research: What is Solana's Next Growth Engine?

marsbit07/01 10:42

They Waited 7 Years for This Money

The article discusses the significant drop in share price of Circle, known as the "first stablecoin stock," triggered by the announcement of a new alliance including Visa, Stripe, Mastercard, Coinbase, BlackRock, Google, IBM, and Ripple. This alliance plans to launch Open USD, a USD stablecoin, later this year. Key to the market reaction is Open USD's plan to distribute reserve-generated profits to its adopters, directly challenging Circle's core revenue model from USDC's reserve interest. The piece draws a parallel to Facebook's 2019 Libra (later Diem) project, which involved many of the same companies. Libra failed due to regulatory pressure, its association with Facebook's controversial reputation, and overly ambitious global currency narratives. However, the underlying desire of these major financial and tech firms to create a new digital payment infrastructure persisted. Over seven years, the landscape changed: clearer US stablecoin regulations (GENIUS Act), mature blockchain infrastructure, and companies gaining practical experience with crypto payments. Open USD presents a more modest, compliance-focused narrative—a settlement tool and enterprise payment rail rather than a revolutionary global currency. While the new alliance poses a serious threat to Circle's profitability and exclusivity, it faces challenges typical of large consortia: slow decision-making and complex profit-sharing. USDC's established liquidity, trust, and integrations provide Circle with significant defenses. The market's reaction is seen partly as an emotional overreaction but also a necessary reevaluation of Circle's business model from a unique "stablecoin era ticket" to a "strong issuer" in a competitive commodity market. Ultimately, the core ambition from the Libra era remains: to digitize the movement of dollar value on the internet and capture the adjacent commercial opportunities. The lesson learned is to pursue this goal not as a high-profile, platform-led revolution, but as a quiet, utility-focused infrastructure play.

marsbit07/01 10:41

They Waited 7 Years for This Money

marsbit07/01 10:41

Google Shaken, Market Cap Evaporates Hundreds of Billions. Can Gemini Spark Save the Day?

Google is facing a turbulent period marked by a significant brain drain of top AI talent. Key figures like Noam Shazeer, John Jumper, Jonas Adler, and Alexander Pritzel have recently left for competitors OpenAI and Anthropic, causing investor concern and a sharp stock decline wiping hundreds of billions from Alphabet's market cap. Amidst this talent exodus and the delayed launch of the anticipated Gemini 3.5 Pro model, Google has unveiled its major new offering: Gemini Spark. This is not a standard chatbot but a persistent, cloud-based AI agent designed to automate multi-step workflows across Google's ecosystem (Gmail, Calendar, Docs, Drive, etc.) and some third-party apps. Powered by the Antigravity framework with Tasks, Skills, and Schedules, it aims to function as a continuous digital assistant. However, its high price point—exclusive to the $100/month AI Ultra tier—has drawn criticism. The article positions Spark as Google's critical, albeit late, move into the AI agent arena, where AI transitions from a tool to an autonomous workforce. While competitors and startups are already advancing in this space, Google's vast integration with Workspace gives it a potential edge, though its historical caution due to scale and risk may have cost it the lead. Ultimately, Spark represents a necessary shift for Google, but the question remains whether this "digital employee" can compensate for the loss of foundational talent and restore investor confidence in the company's future.

marsbit07/01 10:18

Google Shaken, Market Cap Evaporates Hundreds of Billions. Can Gemini Spark Save the Day?

marsbit07/01 10:18

24/5 Settlement Is Here for US Stocks, but Cryptocurrency Didn't Get a Ticket

The U.S. National Securities Clearing Corporation (NSCC), a subsidiary of the Depository Trust & Clearing Corporation (DTCC), has announced the implementation of 24-hour clearing operations on weekdays. This move, approved by the SEC and being rolled out in phases, fundamentally challenges a core narrative of the cryptocurrency industry: that digital assets offer a unique advantage with their 7x24 trading availability, unlike traditional markets that close at 4 p.m. The transition to near-continuous clearing for stocks and other traditional assets diminishes this perceived crypto edge. While crypto markets still operate on weekends, the article notes that DTCC could potentially expand to weekend clearing in the future if demand warrants. The development is presented as another instance where DTCC has disappointed crypto enthusiasts. Despite frequent speculation from communities supporting Ethereum, XRP Ledger, and others that DTCC would integrate public blockchains, the clearing giant consistently opts for private, permissioned distributed ledger solutions for its projects, such as its Ion platform and a recent U.S. Treasury tokenization initiative on the Canton network. The article concludes that the successful launch of this traditional finance "always-on" market relied entirely on existing mature infrastructure, with the cryptocurrency industry failing to secure a role or "admission ticket" in its implementation.

Foresight News07/01 10:03

24/5 Settlement Is Here for US Stocks, but Cryptocurrency Didn't Get a Ticket

Foresight News07/01 10:03

Karpathy's Genius Strikes Again, Challenging RAG, Turning Your Notes into a Second Brain

Andrej Karpathy has proposed a revolutionary concept for managing personal knowledge: treating notes as immutable "source code" and using LLMs as "compilers" to build a structured, interlinked wiki. This approach fundamentally shifts the cognitive workflow away from the limitations of RAG (Retrieval-Augmented Generation), which merely retrieves and pieces together fragments, leading to contradictions and "digital mummies"—unused, decaying notes. The LLM-Wiki framework introduces a three-layer architecture: the **Raw Layer** for original, immutable notes; the **Schema Layer** defining rules for structuring knowledge; and the **Wiki Layer**, where the LLM continuously compiles and maintains a coherent, cross-referenced knowledge base. Key operations are **Ingest** (adding new material, which triggers updates across related pages), **Query** (asking the compiled wiki, with answers that can become new pages), and **Lint** (periodic AI audits to find contradictions, outdated claims, or gaps). This system automates the tedious maintenance—updating links, resolving conflicts, keeping summaries fresh—that has historically made large-scale personal knowledge management unsustainable. It realizes Vannevar Bush's 1945 "Memex" vision by finally solving the maintenance problem. Karpathy's proposal represents a third piece in human-AI collaboration, following "Vibe Coding" and "Agentic Engineering." It liberates human attention from organizational drudgery, refocusing it on what matters: deciding what to read and deriving meaning.

marsbit07/01 09:53

Karpathy's Genius Strikes Again, Challenging RAG, Turning Your Notes into a Second Brain

marsbit07/01 09:53

Claude Science Completes Two Years' Work in a Few Weeks, Is 10x Research Acceleration Really Here?

Claude Science, a new AI workbench from Anthropic, is being tested by scientists, reportedly accelerating specific research workflows by up to 10x. A neuro-scientist at the Allen Institute completed a lengthy literature review in weeks instead of nearly two years using the tool, which automates tasks like citation verification. The platform is an integrated environment for macOS and Linux, connecting to local or remote computing resources. It streamlines the fragmented research process—literature analysis, computation, visualization, and drafting—into a single, auditable workflow. A key feature is its emphasis on reproducibility: every chart generated includes the exact code, environment, and history used to create it. Claude Science uses a multi-agent system. A coordinator manages over 60 pre-configured skills for life sciences (genomics, proteomics, etc.) and can spawn specialized agents. A dedicated reviewer agent checks citations and calculations for accuracy, creating a form of internal AI peer review. The system operates with a human-in-the-loop, requiring user approval for major steps. Initial applications are in life sciences. Examples include target identification for biotech company Manifold Bio and germline variant analysis for glioma research at UCSF, completing analyses in roughly one-tenth the previous time. The approach contrasts with competitors: Google focuses on proprietary models like AlphaFold, while OpenAI is advancing models' scientific reasoning with benchmarks like GeneBench-Pro. Claude Science differentiates by automating and integrating the practical research pipeline, not just the model's intelligence, aiming to make AI-aided science more reproducible and integrated into daily lab work.

marsbit07/01 09:50

Claude Science Completes Two Years' Work in a Few Weeks, Is 10x Research Acceleration Really Here?

marsbit07/01 09:50

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