Marex Lets USDC Replace Cash — And 5,000 Institutions Now Have to Decide
Marex has enabled USDC as margin collateral for derivatives clients, partnering with Circle in a move that brings stablecoin settlement to traditional.
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Morgan Stanley Opens Spot Crypto To 8.6 Million E*TRADE Clients — Coinbase Just Got A New Rival
Spot crypto trading: Morgan Stanley has opened spot Bitcoin (BTC), Ethereum (ETH) and
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Can T. Rowe Price Beat Passive Crypto ETFs With TKNZ?
T. Rowe Price launches TKNZ, the first actively managed multi-token spot crypto ETF, holding Bitcoin (BTC) and Ethereum.
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DTCC Tests Tokenized Securities With Citadel, CME And Circle
DTCC tokenization: DTCC ran a live blockchain settlement pilot with 30 major firms including Citadel, CME, and Circle.
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Prompt Injection Crisis: OpenAI Deploys Savage AI Hunter Across Thousands of Attacks
OpenAI’s GPT-Red uses self-play red teaming to find prompt injection flaws at scale, hardening GPT-5.6 against adversarial attacks before they reach users.
