OpenAI launches GPT-5.3-Codex-Spark powered by Cerebras hardware

Learn how OpenAI built a secure sandbox for Codex on Windows, enabling safe, efficient coding agents with controlled file access and network restrictions.

Ondo's rapid growth in tokenized stocks signals a shift towards blockchain in traditional finance, highlighting evolving market dynamics. The post ONDO Finance reaches $1B in tokenized stock TVL in 8 months appeared first on Crypto Briefing.

OpenAI's move towards independence could reshape cloud dynamics, fostering competition and potentially altering AI market power structures. The post OpenAI and Microsoft cap revenue-sharing at $38B as AI giant eyes independence appeared first on Crypto Briefing.

Chipmaker valued at $40bn in sign of high demand for AI stocks

A wrongful death lawsuit filed this week in California could become a major legal test of how far AI companies’ responsibility extends when users rely on their tools for health guidance.

The post Ripple CTO David Schwartz Flags Bitcoin’s Incentive Problem appeared on BitcoinEthereumNews.com. Schwartz says Bitcoin mining incentives create costly user-miner conflicts. XRP Ledger avoids mining rewards to reduce fees and centralization risks. Bitcoin and XRP declined despite renewed debate over blockchain efficiency. The long-running debate between Bitcoin and XRP gained fresh attention after Ripple CTO David Schwartz revisited his criticism of Bitcoin’s incentive structure. During a detailed presentation, Schwartz argued that Bitcoin’s proof-of-work model creates costly friction for users and miners alike. He also claimed the XRP Ledger offers a more efficient approach by reducing reliance on artificial incentives. Schwartz explained that blockchain systems need eventual agreement to function properly. Without consensus, users could not trust transactions or transfer value securely.  However, he argued that Bitcoin solves this challenge through expensive mining competitio

The scrutiny of Altman's investments could impact OpenAI's IPO valuation and raise broader concerns about regulatory risks in tech markets. The post OpenAI’s IPO faces scrutiny as Congress probes Sam Altman’s investments appeared first on Crypto Briefing.

Anthropic and OpenAI have declared PreStocks tokens backed by their shares worthless, sending the Solana products down up to 39%. Anthropic and OpenAI have both issued warnings declaring that Solana-based PreStocks tokens claiming to offer exposure to their private shares…