Crypto

Representative James Comer asked CEOs of two major prediction market companies for information on their responses to insider trading after “suspiciously timed trades” related to US military actions against Iran. Update (May 22 at 7:40 pm UTC): This article has been updated to include statements from Polymarket and Kalshi. The chair of the US House of Representatives’ Oversight and Government Reform Committee sent letters to the CEOs of Kalshi and Polymarket, questioning the companies’ response to incidents of insider trading on the platform. In a Friday X post, Committee Chair James Comer confirmed reports that he had sent letters to Polymarket CEO Shayne Coplan and Kalshi CEO Tarek Mansour, asking them for internal records on how the companies were handling insider trading. The Kentucky lawmaker said there were concerns in Congress over elected officials using “basic insider knowledge” to profit off the government’s actions. Read more

NEAR price surges 50% in a week as AI token momentum, Nvidia optimism and network upgrades fuel bullish sentiment. NEAR Protocol (NEAR) displayed strength on Friday, rising 34% over the last 24 hours to $2.32, leading artificial intelligence-based tokens in a rally fueled by NEAR’s network upgrades and NVIDIA's bullish revenue forecast.  NEAR is trading 50% higher than its price seven days ago and has gained a whopping 115% over the last 90 days. Key takeaways: Read more

Mark Cuban sold most of his Bitcoin because it failed to provide a hedge when fiat confidence weakened and geopolitical risk rose. Cuban called it “not the hedge I expected it to be,” and the price record supports his frustration. Bitcoin traded around $77,663 in mid-May 2026, roughly 38% below the record high of $126,000 […] The post Mark Cuban’s Bitcoin sale tests the gap between a failed hedge and a surviving monetary bet appeared first on CryptoSlate.

Muted volatility, political shifts, and Wall Street dominance are driving increasingly jaded retail traders out of crypto.

House Majority Whip Tom Emmer said concerns from law enforcement groups about crypto developer protections are being overstated.

Institutional crypto adoption accelerates as Tether expands Bitcoin holdings, miners pivot to AI and Polymarket joins Nasdaq amid $1 billion fund outflows. Institutional adoption continued to reshape the digital asset market this week, even as geopolitical tensions reminded investors that crypto remains sensitive to broader macro conditions. Digital asset funds suffered more than $1 billion in outflows as traders reduced risk exposure amid fading hopes for a durable ceasefire between the United States and Iran. At the same time, Tether tightened its grip on Twenty One Capital, Bernstein argued that Bitcoin miners are carving out a strategic role in the race to build artificial intelligence infrastructure, and Polymarket teamed up with Nasdaq to launch prediction markets tied to private companies. This week’s Crypto Biz underscores how institutions continue to influence the digital asset ecosystem. Read more

It's unknown whether Trump Media & Technology Group is selling its Bitcoin, though it has amassed sizable losses on its holdings.

Bitcoin headed lower as Wall Street trading began with new record highs for the Dow Jones, while traders warned of weak US demand. Bitcoin (BTC) faced familiar selling pressure on Friday as US stock markets began setting fresh record highs. Key points: Read more

Kevin Warsh, the pro-crypto guy, backed by Trump, officially replaces Jerome Powell at the world's most powerful central bank. The post Pro-Crypto Kevin Warsh Set for Trump Appointment Today: Big Weekend Rally? appeared first on Cryptonews.

Rep. James Comer is demanding internal records from the prediction market CEOs, warning that government employees could be using classified information to make “huge profits”.

OKX debuted perpetual oil futures tied to Intercontinental Exchange’s benchmarks, the latest sign of growing competition for Hyperliquid.

XRPL's known amendments page lists fixCleanup3_1__3 for activation on May 27, and by design the event is a maintenance upgrade. Version 3.1.3 of rippled bundles fixes for NFTs, Permissioned Domains, Vaults, and the Lending Protocol, and the XRPL blog set the default vote to Yes because of the importance of those fixes. The amendment process […] The post XRPL’s May 27 upgrade shows how validators and markets decide a blockchain split appeared first on CryptoSlate.

Chalom explains that retail investors have never had the opportunity to access and manage their own digital treasury desk. Until now.

ICE and OKX plan to launch oil-linked perpetual futures based on Brent and WTI benchmarks, bringing crypto derivatives further into traditional energy markets under licensing restrictions. Intercontinental Exchange (ICE), the owner of the New York Stock Exchange (NYSE), is working with crypto exchange OKX to launch trading of oil-linked perpetual futures. OKX said Friday it plans to introduce perpetual futures based on ICE’s Brent crude and West Texas Intermediate (WTI) crude benchmarks, two of the world’s most widely used oil price indicators, according to a release shared with Cointelegraph. “These new OKX perpetual contracts, based on ICE’s deep, liquid, transparent, and global oil markets, allow OKX’s customer base [...] to access energy benchmark products,” said Trabue Bland, ICE’s senior vice president of futures exchanges. Read more

The chair of the powerful House Oversight Committee has requested documents from Polymarket and Kalshi regarding insider trading and war-related markets.

MARA spent $4.3 million on CEO Fred Thiel’s security in 2025, including vehicle armoring, as crypto wrench attacks increased globally. Bitcoin miner MARA Holdings spent $4.3 million on personal security for CEO Fred Thiel in 2025, including $430,780 to armor a vehicle, as crypto companies respond to rising physical attacks on industry executives and investors. MARA, the seventh-largest Bitcoin mining company worth more than $5 billion, also spent about $58,810 on Thiel's home security installations and reported additional expenses related to the security measures of other executives, according to its DEF 14A filing with the US Securities and Exchange Commission on April 30. The filing shows that MARA spent a total of $4.3 million on Thiel's security during fiscal year 2025, including the armored vehicle, bodyguards and home security fortifications. Read more

Kevin Warsh was sworn in as Fed chairman in a White House ceremony early Friday afternoon.

On-chain data confirms large holders have scooped up 525 million Dogecoin in just 96 hours, just weeks before SpaceX IPO. The post Dogecoin Could Become the Second Dog on the Moon After Snoopy as Whales Accumulate Ahead of SpaceX IPO appeared first on Cryptonews.

Bears are handing heavily discounted Ethereum to Bitmine’s Tom Lee, while XRP coils up for a potential 10x to 15x move upwards: Market Moves

Polymarket faced what many users interpreted as a possible hack on May 22 after public alerts described a rapid POL drain on the prediction market platform. Polymarket-linked accounts later said the incident was not a smart-contract exploit and did not affect user funds or market resolution. The first wave of concern came from on-chain investigator […] The post Polymarket suffers live POL drain as team rules out feared contract exploit appeared first on CryptoSlate.