Polymarket tightens rules to curb manipulation, insider trading risks

The prediction bourse rolls out stricter trading safeguards and market limits across its platforms as it seeks regulatory alignment and addresses concerns over fairness.

The prediction bourse rolls out stricter trading safeguards and market limits across its platforms as it seeks regulatory alignment and addresses concerns over fairness.

Bitcoin price topped $71,600 at the US market open, but the rally lacked sustained spot volumes. Can the bulls hold BTC above $70,000?

The framework aims to let AI agents hold funds and execute transactions across blockchains, addressing fragmented wallets and key management.

BTC price action looked weaker after Sunday's weekly close below the 200-week MA, with Bitcoin market participants bracing for lower levels.

Deloitte will integrate a Canadian dollar stablecoin into institutional payment systems as Ottawa advances new rules governing fiat-backed digital assets.

A bipartisan Senate bill would reportedly ban sports betting and casino-style contracts on prediction markets.

Spainβs Civil Guard detained a suspect wanted by France over the 2025 kidnapping of Ledger co-founder David Balland, in a case tied to a wider wave of crypto-targeted abductions.

Weekly crypto ETP inflows reached $230 million despite $405 million in post-FOMC outflows, as Bitcoin led gains and Ether ended a three-week inflow streak, CoinShares reported.

Bitcoin moved back above $71,000 after US President Donald Trump postponed Iran strike for five days, sending oil price crashing below $100.

A simple βwrong numberβ message led to a $3.4 million crypto scam, exposing social engineering tactics, fake investments and fund laundering methods.

Arkham data shows a wallet cluster holding 644 million SIREN, about 88% of the 728 million circulating supply, raising manipulation concerns.

Strategy bought 1,031 Bitcoin for $76.6 million, lifting holdings to 762,099 BTC, as the company relied on common stock sales to fund the purchase.

Airdrops trained extraction over loyalty. Token sales return with privacy-preserving identity to reward conviction and build real, automation-resistant communities.

Stablecoins could benefit from the rise of AI-driven payments over time, even as early adoption remains limited and contested, according to a new report.

Bitcoin traders kept sub-$50,000 BTC price targets in play as gold entered a bear market over Iran and oil-supply instability.

ZachXBT said the network of fake X accounts used AI to impersonate influencers and post sensational content, generating millions of views and six-figure profits from crypto scams.

H100 signed a letter of intent to acquire two Bitcoin treasury companies and their BTC holdings, which could make it the second-largest Bitcoin treasury company in Europe.

Bithumb was reportedly given a six-month partial suspension by South Koreaβs Financial Intelligence Unit for alleged anti-money laundering failures.

Bitchat saw a spike in downloads during protests in Madagascar, Nepal, Indonesia and Iran over the last year, and global unrest could see more cases like it.

Boyaa Interactive International is the 23rd-largest Bitcoin treasury and the third-largest in Asia, behind Japanβs Metaplanet and Chinaβs Next Technology Holding.

The Meta co-founder is reportedly working on a personal AI agent to bypass management layers as Meta pushes employees to adopt agentic tools.Β

Bitcoin and Asian markets dropped on Monday as Iran escalated threats to strike critical infrastructure in the Gulf.

βThe internet is civilizationβs town square, and the economic contract is now obsolete,β wrote Sam Ragsdale on an a16z Crypto blog on Sunday.

Michael Saylorβs Bitcoin-holding company Strategy has already purchased more than $2.9 billion worth of the cryptocurrency this month.

Part of the approved rule changes allows institutions to trade the crypto ETFs as FLEX options, which offer customizable terms like non-standard strike prices and expiration dates.

UK Finance said that tokenized deposits could play a βvital roleβ in a future multi-money system alongside other digital assets.

21Sharesβ macro chief says Bitcoin and gold are diverging as central bank demand drives gold, while retail adoption shapes BTCβs market behavior.

Proponents of Bitcoin's four-year cycle theory say the price of BTC typically rises for three of the four years and declines in the final year.

Bitcoin fell over the weekend to set up another visit to "unreliable" support, but analysis flagged a new BTC price golden cross.

Fidelity called for updated reporting rules and clearer guidance on how decentralized platforms and alternative trading systems should operate under US law.

USR issuer Resolv Labs says its collateral pool remains intact after an exploit on Sunday that minted 80 million unbacked tokens and drove the US dollar stablecoin as low as $0.14.

Bitcoinβs 20-week rolling correlation with the S&P 500 has turned positive, a signal that has historically preceded major BTC price declines.

Indian crypto exchange CoinDCX says the fraud complaint is part of a wider impersonation scam, citing more than 1,200 fake sites using its brand.

Welch said the fallout from the HAWK memecoin left her wary of crypto, adding she still does not fully understand the sector more than a year later.

An attacker has exploited the Resolv USR stablecoin to mint 80 million tokens and has reportedly been able to cash out at least $25 million.

A Nevada state judge has sided with local authorities to ban Kalshiβs sports, election and entertainment event contracts in the state for 14 days.

The Commodity Futures Trading Commission staff has provided answers to frequently asked questions about the agencyβs expectations around a crypto collateral pilot.

Brazil is delaying plans to review crypto taxes until after the October 2026 election, as officials avoid pushing divisive reforms during the campaign period.

The SECβs digital asset taxonomy introduces new classifications for tokens, signaling a shift in regulatory approach and offering greater clarity for the crypto industry.

Bitcoin ETF outflows are too small to signal a bearish pivot from traders, but worsening US macroeconomic conditions and high oil prices keep BTC traders on the hedge.

ETH could approach $2,750 by June and $3,200 by September if a historical whale-profit signal repeats, though past cycles show mixed outcomes.

A 66-year-old Hong Kong retiree lost $840,000 in three related scams over six months, as fraudsters posed as crypto experts promising profits and fund recovery.

Bitcoinβs mining difficulty just logged its second sizeable cut of 2026, easing conditions for remaining miners as competition from artificial intelligence data centers rises.

Ethereum whale thomasg.eth has accumulated $19.5 million in ETH this week, as Bitmineβs Tom Lee argues the market may be nearing the end of βcrypto winter.β

Bitcoin price remains rocky, and BTC and equities ETF outflows soar as the US and Israel-Iran war enters a fourth week.

Gold is also being impacted by rising anticipation that the US Federal Reserve wonβt cut interest rates this year, while Fed chair Jerome Powell said inflation would rise.

Unlike Bitwise, Grayscale doesnβt plan to incorporate staking for its Hyperliquid ETF but hasnβt ruled out integrating it in the future.

The deal reportedly focuses on stablecoin yield and interest-bearing stable tokens, a major pain point for the banking industry.

Bitcoin searches for equilibrium at $70,000 while rising crude oil prices and tanking stock markets have investors worried over the future of inflation in the US.

Ghostblade is one of six malware tools in the "DarkSword" suite of malicious software designed to steal crypto private keys and user data.

Nearly three-quarters of institutional investors plan to increase their digital asset allocations this year, with Bitcoin, Ether, stablecoins and tokenized assets seeing the most interest.

Ledger names John Andrews as chief financial officer and opens a New York office to expand its US operations and institutional business.

A strong buy signal not seen since 2022 just flashed on Ether, but the altcoin needs to hold above a key price level to avoid invalidating the pattern.

The disruption to the oil market and critical energy effects may have long-term economic effects that investors are not pricing in.

The legislative recommendations highlight six policy areas, including copyright, energy and workforce development, while signaling a lighter regulatory stance.

In the latest Cointelegraph interview, professional trader Alessio Rastani warns that Bitcoin could fall below $60,000 before a meaningful bottom forms.

A 70% oil spike could nearly double US inflation, slash rate-cut hopes, and deepen downside risks for Bitcoin prices in the coming months.

Bitcoin miner BitFuFu decreased its revenue from self-hosted mining operations by 60% in 2025 in a push to cloud mining.

The crypto industry has seen a number of regulatory changes over the past year, with the Canadian government taking a risk-management, rules-first approach.

Bitcoinβs RSI is nearing a key level, with analysts saying a higher low is needed to support a potential continuation in BTC price.

A Bitcoin wallet inactive since 2012 has moved $56 worth of BTC, spotlighting a stash now valued at roughly $147 million after more than 13 years dormant.

Leading crypto and fintech companies are competing to capture growing revenue from stablecoin payments by launching their own settlement infrastructure.

The proposed spot Bitcoin ETF outlines seed capital, listing plans and trading partners in its latest filing as it moves closer to a potential market debut.

Coinbase has launched stock perpetual futures for non-US traders, expanding its push to offer round-the-clock access to multiple asset classes.

Stablecoins and custody lead adoption priorities, with firms focusing on how to build or source digital asset infrastructure.

South Koreaβs tax agency is seeking a private custodian for seized crypto after a wallet seed phrase leak exposed government-held assets.

Technical indicators hint at a possible reversal in BTCβs relative performance, as traders watch whether key support levels can hold.

Galaxy Digitalβs Will Owens says most crypto wallets arenβt exposed to quantum risks, with vulnerabilities limited to cases where public keys are revealed.

US authorities say they have charged and arrested Supermicro co-founder Yih-Shyan βWallyβ Liaw for allegedly funnelling $2.5 billion in AI servers to China through shell companies.

Crypto exchange Gemini is facing a proposed class-action lawsuit over what a complaint alleges is an βabrupt corporate pivot to a prediction-market-centric business modelβ after its IPO.

US gaming lawyer Daniel Wallach says a Nevada state court-issued restraining order against Kalshi appears imminent, preventing it from offering sports-related contracts.

The World Gold Council says it will develop a platform to connect physical gold to the systems used to issue and manage tokenized gold products.

Gemini reported its fourth quarter revenues were $60.3 million, which co-founders Cameron and Tyler Winklevoss say is its highest quarterly revenue in three years.

Scammers impersonating the FBI via a token are telling Tron users they are under investigation and must complete a check to avoid having their assets frozen.

Weakening onchain activity and bearish derivatives data suggest that a SOL price recovery will take longer than most investors anticipate.

Coinbase Asset Managementβs Anthony Bassili says the Bitcoin Yield Fundβs tokenized share class checks βidentity and eligibility at the token levelβ for compliance.

Cryptoβs hidden trading costs demand the adoption of transaction cost analysis. Slippage, fees and fragmentation erode trust as crypto matures into institutional markets.

Bitcoin slipped below $70K as futures selling rose and spot demand cooled, but a recurring setup on lower time frames points to a potential rebound.

The SEC chair signaled that the agency would defer to a market structure bill if passed by Congress, but needed a βbridgeβ to clarify crypto regulation.

Provisions in the state legislation violate the core ethos and value proposition of Bitcoin as an asset that can be held in self-custody, the trade group said.

The company is leveraging its crypto treasury to fund a share buyback, reducing outstanding shares and potentially boosting per-share value following a six-month slide.

EtherFi will integrate Plumeβs Nest vaults, beginning with exposure to a Superstate-backed fund and expanding to a dedicated RWA vault within its platform.

The crypto exchange is offering a yield product tied to Tether Gold (XAUT), signaling a shift toward turning traditionally passive assets like gold into income-generating instruments.

The Web3 company will provide capital, advisory support and business development to help Avalanche projects scale, with a focus on real-world assets and digital identity.

Bitcoin markets have started to turn bullish again, but data shows that a key βbull market thresholdβ has not been established yet.

The carpool and ride-sharing platform, which already accepts Bitcoin for customer payment, moves to crypto treasury despite challenges of price declines.

Bitcoin brought its latest correction from local highs to near 10% as skepticism over long-term BTC price support grew louder.

The platform is designed to enable lending, borrowing and yield on native Bitcoin through onchain financial services.

The memorandum of understanding with CFTC Chair Michael Selig comes as many US state authorities are cracking down on sports event contracts on prediction markets.

The Norwegian browser company plans to swap quarterly US dollar payments for tokens pending community approval, deepening ties to Celo as MiniPay adoption grows.

Korean traders are pulling XRP off exchanges at a rapid pace, while whale flows signal accumulation seen ahead of past rallies.

Bitcoin bull market optimism has suffered since the October crash, as chances of an extended BTC price drop below $55,000 increase.

Researchers raised alarms over a Coinbase-linked Commerce page that prompted wallet recovery phrase entry, which Coinbase said was part of a legacy product now being retired.

OP_NET has launched a βSlowFiβ DeFi stack that runs smart contracts directly in standard Bitcoin transactions with BTC as the only gas asset, avoiding bridges and wrapped BTC.

Beyond immediate losses, attacks often lead to prolonged downtime, liquidity shocks and confidence erosion, as interconnected DeFi systems amplify the impact across markets.

The fourth round of reimbursements to creditors and former clients of the failed crypto exchange since February 2025 brings the total paid to about $10 billion.

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