Crypto mining stocks plunge as Fed warns of ‘difficult tradeoffs’

US crypto mining stocks tumbled at the close of May 28 trading after minutes published by the Federal Reserve signaled its growing uncertainty about the country’s economic outlook. The crypto market remained unscathed, despite the stock drops among crypto miners. Uncertainty about the economic outlook looms The minutes of the Federal Open Market Committee’s meeting…

European crypto firm K33 raises $6.2M for Bitcoin buys

Norwegian crypto brokerage firm K33 plans to join the growing number of public companies buying up Bitcoin after raising 60 million Swedish krona ($6.2 million) to buy and hold the cryptocurrency. K33 said on May 28 that it secured financing through convertible loans and a new issue of shares and warrants, which “will be used…

Cork Protocol suffers $12M smart contract hack

Cork Protocol, a decentralized finance (DeFi) platform, was hit by a smart contract exploit on May 28, resulting in the loss of roughly $12 million in digital assets. Cybersecurity firm Cyvers said the hack occurred at 11:23:19 UTC and was funded by an address ending in “762B.” According to the firm, the attacker used the…

Ethereum’s $2.4 billion options expiry could spark a rally

Key takeaways: 97% of ETH put options will expire worthless if ETH holds above $2,600. A bullish ETH price outcome could be limited by macroeconomic factors and trading strategies that cap Ether gains. On May 30, $2.4 billion in Ether (ETH) options will expire—an event that could support ETH’s attempt to break above the $2,700…

Labor Dept Rescinds Biden-Era Guidance

The US Labor Department has officially rescinded guidance issued during the Biden administration that limited the inclusion of cryptocurrency in 401(k) retirement plans. On May 28, the Labor Department revoked a 2022 guidance that had urged fiduciaries to be “extremely cautious” when considering cryptocurrency for 401(k) retirement plans. The move could give asset managers more…

Solana’s negative funding rate hints a volatile price action

Key takeaways: Historical chart patterns and the Fibonacci Retracement metric hint at a Solana price rally to $300. Solana’s $7.5 billion in futures open interest and negative funding rates could be a sign that a powerful short squeeze is in the making. Solana (SOL) price tested the $180 resistance level on May 11, but it…

JD Vance Calls Crypto Market Structure Bill a ‘Priority’ for Trump Administration

LAS VEGAS, Nevada — Establishing a clear and pro-innovation regulatory framework for the crypto industry via a market structure bill is a priority for U.S. President Donald Trump’s administration, Vice President J.D. Vance said Wednesday. Speaking to a massive crowd at Bitcoin 2025 in Las Vegas, Vance said that a regulatory framework is necessary to fully…

Polygon-backed, DeFi-optimized Katana launches for institutional adoption

The Katana Foundation, a nonprofit focused on decentralized finance (DeFi) development, is launching its private mainnet, aiming to unlock greater crypto asset productivity via deeper liquidity and higher yields for users. The Katana Foundation launched a DeFi-optimized, private blockchain, Katana, on May 28, incubated by GSR Markets and Polygon Labs, with the public mainnet launch…

Cointelegraph Bitcoin & Ethereum Blockchain News

Background of Coinbase’s May 2025 breach Coinbase, America’s largest cryptocurrency exchange, received an unsolicited email from an unknown threat actor on May 11, 2025. They claimed to possess sensitive information about its customers and demanded a ransom of $20 million.  Before examining the breach, it is interesting to understand how it happened at a public…

Polygon-backed, DeFi-optimized Katana launches for institutional adoption

The Katana Foundation, a nonprofit focused on decentralized finance (DeFi) development, is launching its private mainnet, aiming to unlock greater crypto asset productivity via deeper liquidity and higher yields for users. The Katana Foundation launched a DeFi-optimized, private blockchain, Katana, on May 28, incubated by GSR Markets and Polygon Labs, with the public mainnet launch…