May 27, 2026

1. BlackRock Bitcoin ETF Sees $1.3 Billion Dark Pool Sale

market

A massive $1.3 billion sale of BlackRock's Bitcoin ETF occurred in a dark pool, contributing to a broader outflow from U.S.-listed spot Bitcoin ETFs. Despite the size of the transaction, Bitcoin's price remained relatively stable, indicating strong market resilience.

2. Mastercard Secures New York BitLicense for Crypto Operations

regulation

Mastercard has obtained a BitLicense in New York, allowing it to legally conduct digital asset business in the state. This move supports Mastercard's expansion into stablecoins and blockchain-based settlement systems, marking a significant step in its crypto strategy.

3. CME Group to Launch 24/7 Crypto Trading, Ending Weekend Gaps

technology

CME Group plans to introduce 24/7 trading for its regulated crypto futures and options starting May 29, pending regulatory approval. This change aims to eliminate the traditional weekend gaps in Bitcoin trading, potentially altering market dynamics.

Sources:CryptoSlate

4. Stake DAO Exploit Mints Trillions of vsdCRV Tokens

security

An attacker exploited Stake DAO, minting 5.4 trillion vsdCRV tokens on Arbitrum and swapping them for Ether. The exploit highlights ongoing security vulnerabilities in DeFi platforms, with the attacker managing to bridge 43.7 ETH to Ethereum.

5. South Korea Arrests Suspects in Solana Memecoin CatFi Rugpull

security

South Korean authorities have arrested individuals involved in the CatFi memecoin rugpull, marking the first case under the country's new crypto law. The suspects allegedly used fake social media channels to deceive investors before abandoning the project.

All Sources

Last updated: 5/27/2026, 11:00:46 PM UTC

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