The Securities and Exchange Commission publishes crypto custody guide

cointelegraphPubblicato 2025-12-13Pubblicato ultima volta 2025-12-13

Introduzione

The U.S. Securities and Exchange Commission (SEC) has published a crypto custody guide outlining best practices and risks for storing digital assets. The bulletin compares self-custody with third-party custody, warning investors to understand policies like asset rehypothecation and commingling. It also details the pros and cons of hot wallets (internet-connected, vulnerable to hacking) and cold wallets (offline, but riskier if keys are lost). The move signals a shift from the SEC’s previously hostile stance under former Chair Gary Gensler. The crypto community welcomed the guide as a transformative step, with some noting the agency is now educating rather than opposing the industry. This follows recent SEC approval for DTCC to begin tokenizing traditional financial assets.

The United States Securities and Exchange Commission (SEC) published a crypto wallet and custody guide investor bulletin on Friday, outlining best practices and common risks of different forms of crypto storage for the investing public.

The SEC’s bulletin lists the benefits and risks of different methods of crypto custody, including self-custody versus allowing a third-party to hold digital assets on behalf of the investor.

If investors choose third-party custody, they should understand the custodian's policies, including whether it “rehypothecates” the assets held in custody by lending them out or if the service provider is commingling client assets in a single pool instead of holding the crypto in segregated customer accounts.

The Bitcoin supply broken down by the type of custodial arrangement. Source: River

Crypto wallet types were also outlined in the SEC guide, which broke down the pros and cons of hot wallets, which are connected to the internet, and offline storage in cold wallets.

Hot wallets carry the risk of hacking and other cybersecurity threats, according to the SEC, while cold wallets carry the risk of permanent loss if the offline storage fails, a storage device is stolen, or the private keys are compromised.

The SEC’s crypto custody guide highlights the sweeping regulatory change at the agency, which was hostile to digital assets and the crypto industry under former SEC Chairman Gary Gensler’s leadership.

Related: SEC sends warning letters to ETF issuers targeting untamed leverage

The crypto community celebrates the SEC guide as a transformational change in the agency

“The same agency that spent years trying to kill the industry is now teaching people how to use it,” Truth For the Commoner (TFTC) said in response to the SEC’s crypto custody guide.

The SEC is providing “huge value” to crypto investors by educating prospective crypto holders about custody and best practices, according to Jake Claver, the CEO of Digital Ascension Group, a company that provides services to family offices.

Source: Paul Atkins

SEC regulators published the guide one day after SEC Chair Paul Atkins said that the legacy financial system is moving onchain.

On Thursday, the SEC gave the green light to the Depository Trust and Clearing Corporation (DTCC), a clearing and settlement company, to begin tokenizing financial assets, including equities, exchange-traded funds (ETFs) and government debt securities.

Magazine: How Neal Stephenson ‘invented’ Bitcoin in the ‘90s: Author interview

Letture associate

Breaking: OpenAI Undergoes Major Reorganization, President Brockman Assumes Command

OpenAI has announced a major internal reorganization just months before its anticipated IPO. The company is merging its three flagship product lines—ChatGPT, Codex, and the API platform—into a single, unified product organization. The most significant leadership change involves co-founder and President Greg Brockman moving from a background technical role to take full, permanent control over all product strategy. This follows the indefinite medical leave of AGI Deployment CEO Fidji Simo. Additionally, ChatGPT's longtime lead, Nick Turley, has been reassigned to enterprise products, with former Instagram executive Ashley Alexander taking over consumer offerings. The consolidation, internally framed as a strategic move towards an "Agentic Future," aims to break down internal silos and create a cohesive "Super App." This planned desktop application would integrate ChatGPT's conversational abilities, Codex's coding power, and a rumored internal web browser named "Atlas" to autonomously perform complex user tasks. The reorganization occurs amid significant internal and external pressures. OpenAI has recently seen a wave of high-profile departures, including Sora co-lead Bill Peebles and other senior technical leaders, leading to concerns about a thinning executive bench. Externally, rival Anthropic recently secured funding at a staggering $900 billion valuation, surpassing OpenAI's own. Google's upcoming I/O developer conference also poses a competitive threat. Analysts suggest the dramatic restructure is a pre-IPO move to present a clearer, more focused narrative to Wall Street—streamlining operations and demonstrating decisive leadership under Brockman to counter internal turbulence and intense market competition.

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Breaking: OpenAI Undergoes Major Reorganization, President Brockman Assumes Command

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Two Survival Structures of Market Makers and Arbitrageurs

Market makers and arbitrageurs represent two distinct survival structures in high-frequency trading. Market makers primarily use limit orders (makers) to profit from the bid-ask spread, enjoying high capital efficiency (nominally 100%) but bearing inventory risk. This "inventory risk" arises from passive, fragmented, and discontinuous order fills in the limit order book (LOB). This risk, while a potential cost, can also contribute to excess profit if managed within control boundaries, allowing for mean reversion. Market makers essentially sell "time" (uncertainty over execution timing) to the market for price control and low fees. In contrast, cross-exchange arbitrageurs typically use market orders (takers) to exploit price differences or funding rates, resulting in lower nominal capital efficiency (requiring capital on both exchanges) and higher transaction costs. Their risk exposure stems from asymmetries in exchange rules (e.g., minimum order sizes), execution latency, and infrastructure risks (e.g., ADL, oracle drift). These exposures are active, exogenous gaps that primarily erode profits rather than contribute to them. Arbitrageurs essentially sell "space" (capital sunk across venues) for localized, immediate certainty. Both strategies engage in a trade-off between execution friction and residual risk. Optimal systems allow for temporary, controlled risk exposure rather than enforcing zero exposure at all costs. Their evolution converges towards hybrid models: arbitrageurs may use maker orders to reduce costs, while market makers may use taker orders or hedges for risk management. Ultimately, both use different forms of risk exposure—market makers exposing inventory, arbitrageurs immobilizing capital—to extract marginal, hard-won certainty from the market.

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Two Survival Structures of Market Makers and Arbitrageurs

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Who Will Define the Rules of the AI Era? Anthropic Discusses the 2028 US-China AI Landscape

This article, based on Anthropic's analysis, outlines the intensifying systemic competition between the U.S./allies and China for AI leadership by 2028. It argues that access to advanced computing power ("compute") is the critical bottleneck, where the U.S. currently holds a significant advantage through chip export controls and allied innovation. However, China's AI labs remain competitive by exploiting policy loopholes—via chip smuggling, overseas data center access, and "model distillation" attacks to copy U.S. model capabilities—keeping them close to the frontier. The piece presents two contrasting scenarios for 2028. In the first, decisive U.S. action to tighten compute controls and curb distillation locks in a 12-24 month AI capability lead, cementing democratic influence over global AI norms, security, and economic infrastructure. In the second, policy inaction allows China to achieve near-parity through continued access to U.S. technology, enabling Beijing to promote its AI stack globally and integrate advanced AI into its military and governance systems, altering the strategic balance. Anthropic contends that maintaining a decisive U.S. lead is essential for shaping safe AI development and governance. The core recommendation is for U.S. policymakers to urgently close compute and model access loopholes while promoting global adoption of the U.S. AI technology stack to secure a lasting strategic advantage.

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Who Will Define the Rules of the AI Era? Anthropic Discusses the 2028 US-China AI Landscape

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