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Polygon has launched a private stablecoin payment feature that uses zero-knowledge proof technology to conceal the sender, receiver, and transaction amount from external parties, Cointelegraph reported. The solution addresses a key hesitation for businesses considering on-chain operations: the inherent transparency of blockchain, which broadcasts fund flows to competitors and the market in real time. Polygon's new feature provides selective transparency, allowing companies to hide transaction details from the public while still being able to submit audit files to regulatory authorities.

Ripple is building a joint industry defense network to counter North Korea's evolving attack methods, which have shifted from code hacking to disguised employment, BeInCrypto reported. The company has begun exclusively providing the non-profit security organization Crypto ISAC with a blacklist of suspected North Korean cyber agents. The shared data includes detailed personal information like LinkedIn profiles, email addresses, and phone numbers, enabling the industry to block hackers in real time who are rejected by one firm and then attempt to apply to another.

South Korean crypto exchange Upbit announced that it will temporarily suspend deposits and withdrawals for Zilliqa (ZIL) due to a hard fork.

On Polymarket, the probability of Bitcoin surpassing $90,000 this year is currently 70%, while the chance of it falling below $55,000 is 46%.

Russia's Moscow Exchange plans to launch four new cryptocurrency indices tracking SOL, XRP, TRX, and BNB starting May 13, according to Wu Blockchain. These indices will utilize price data from Binance (50%), Bybit (20%), OKX (15%), and Bitget (15%). Additionally, the exchange's existing indices, MOEXBTC and MOEXETH, will be updated every 15 seconds during trading hours. The exchange plans to expand its crypto benchmark indices to 10 in the future, with related products to be offered exclusively to professional investors.

Well-known trader Eugene Ng Ah Sio believes that Bitcoin reclaiming and holding the $80,000 level would be a crucial signal of a market reversal. He identified a recovery to $80,000 as the first sign of breaking the long bear market that has persisted since September 2025. Reflecting on the recent market, he described it as a painful period with high opportunity costs, as cryptocurrencies have been less attractive than the stock market. However, he predicted that if Bitcoin can establish a foothold above the psychological and technical resistance at $80,000, speculative capital that had left the market would flood back in, kicking off a full-fledged rally. He emphasized that the unique nature of the crypto market should be considered, where price increases often precede and create new positive narratives, rather than good news driving prices higher.

Ethena has opened applications for its fifth airdrop season, which will distribute 2% of the total ENA supply, according to Foresight News.

According to CoinNess market monitoring, BTC has risen above $81,000. BTC is trading at $81,000 on the Binance USDT market.

An investigation into the Polish cryptocurrency exchange Zondacrypto over alleged investor losses has escalated into a political conflict, Politico reported. Prosecutors are examining whether the exchange misled customers, potentially causing losses of around 350 million zloty ($96.1 million). Zondacrypto CEO Przemysław Kral has denied the allegations, stating that the company is operating normally. The case has become a point of contention between Polish Prime Minister Tusk and President Nawrocki. The government is pushing to implement Europe's Markets in Crypto-Assets (MiCA) regulation, while the president's camp opposes stricter rules. Prime Minister Tusk has highlighted the need for regulation by suggesting the exchange could have ties to Russian funds, a claim the opposition has dismissed as a political attack. As investor lawsuits mount, some politicians are now calling for an outright ban on cryptocurrencies.

Despite Bitcoin's recovery to $80,000, perpetual futures funding rates on major centralized (CEX) and decentralized (DEX) exchanges have turned negative, BlockBeats reported, citing data from Coinglass. Funding rates are a mechanism in perpetual futures contracts designed to align their price with the spot market, adjusted through payments between long and short position holders. A rate above 0.01% is typically considered a bullish signal, while a rate below 0.005% is seen as bearish. The current funding rate has fallen below 0.005%, suggesting that bearish sentiment is prevailing among investors.

U.S. spot Ethereum ETFs recorded approximately $61.33 million (90.5 billion won) in net inflows on May 4, marking the second consecutive trading day of positive flows, according to data from TradeT. - BlackRock's ETHA: +$54.83 million - Fidelity's FETH: +$6.5 million

The following shows estimated liquidation volumes and position ratios for major crypto perpetual futures over the past 24 hours: - BTC: $174.61 million liquidated (68.57% shorts) - ETH: $82.52 million liquidated (55.4% shorts) - ZEC: $5.17 million liquidated (73.16% shorts)

U.S. spot Bitcoin ETFs recorded net inflows of approximately $532.26 million on May 4, marking the third consecutive day of positive flows, according to data from Farside Investors. - BlackRock's IBIT: +$335.46 million - Fidelity's FBTC: +$184.60 million - Morgan Stanley's MSBT: +$12.20 million

In response to U.S. President Donald Trump's plan to free ships trapped in the Strait of Hormuz, an Iranian official has stated that the U.S. must either admit defeat and recognize Iran's control over the waterway through an agreement or return to the battlefield and face the consequences. The remarks were made by Ebrahim Rezaei, spokesperson for the Iranian Parliament's National Security and Foreign Policy Committee, the Iranian Students' News Agency (ISNA) reported on May 4.

U.S. Senators Thom Tillis and Angela Alsobrooks have issued a joint statement signaling that a compromise on stablecoin interest has effectively reached a final agreement, despite opposition from the banking sector, reported Eleanor Terrett, host of Crypto in America. In the statement, the two senators said they have reached a final agreement while respecting their differences.

Standard Chartered's subsidiary, SC Ventures, has made a strategic investment in crypto market maker GSR, The Block reported. The specific investment amount was not disclosed. The move makes SC Ventures the first strategic shareholder in GSR since the latter's founding in 2013. Meanwhile, Standard Chartered has been expanding its footprint in the crypto industry, with investments in firms like Zodia Custody and digital asset services company Keyrock. The bank is also pursuing the launch of a $250 million digital asset services fund through SC Ventures this year.

An address linked to Multicoin Capital staked 1.96 million HYPE, worth $82.06 million, about an hour ago, Onchain Lens reported. The address now holds a total of 2.83 million HYPE, valued at $118 million.

The Altcoin Season Index from crypto data platform CoinMarketCap has fallen five points from yesterday to 38. The index compares the price performance of the top 100 coins, excluding stablecoins and wrapped tokens, against Bitcoin. An 'altcoin season' is declared when 75% of these top coins have outperformed Bitcoin over the past 90 days, with a score closer to 100 indicating a stronger trend. The opposite scenario is considered a 'Bitcoin season'.

Bitmine staked an additional 192,816 ETH, valued at $456 million, approximately six hours ago, Onchainlands reported. The company now holds a total of 4,555,573 staked ETH.

The Spot Cumulative Volume Delta (CVD) chart provides an order book analysis for the BTC/USDT spot pair. The upper section shows a Volume Heatmap, while the lower section displays the Cumulative Volume Delta. - The upper Volume Heatmap tracks the volume of trades at specific price levels. The background color becomes brighter when the price lingers in a certain range or moves significantly. These brighter areas may act as potential support or resistance zones. - The lower CVD indicator represents buy and sell orders categorized by trade size. As buy orders increase, the corresponding colored line rises. For example, the yellow line tracks orders between $100 and $1,000, while the brown line represents large orders ranging from $1 million to $10 million.

The Fear & Greed Index from cryptocurrency data provider CoinMarketCap rose two points from yesterday to 47, maintaining its 'Neutral' status. The index indicates extreme fear as it approaches 0 and extreme optimism as it approaches 100. CoinMarketCap's index is calculated based on factors including the price movements of the top 10 cryptocurrencies by market capitalization, market volatility, derivatives market data like the put/call ratio, the Stablecoin Supply Ratio (SSR), and the platform's proprietary search data.

The challenge now facing President Trump is to reopen the Strait of Hormuz, according to the Deputy Commander for Political Affairs of Iran's Islamic Revolutionary Guard Corps. The commander stated that despite trying every possible option during a 40-day period of conflict and afterward, nothing was achieved. He added that Trump can neither return the situation to its state before Feb. 28 nor change the current circumstances.

Cryptocurrency analyst Michaël van de Poppe has stated that while Bitcoin faced strong resistance at the $80,000 level yesterday, this does not necessarily signal a sharp decline. He suggested that the foundation for an upward trend is already in place, making it highly probable that BTC will see further gains after a period of short-term consolidation. Van de Poppe added that the short-term uptrend remains valid as long as the price does not fall below the $73,000 to $75,000 range, noting that the current price is still above this threshold.

A bill has been introduced in the U.S. state of Michigan that could limit the expansion of the cryptocurrency mining industry, U.Today reported. The legislation, House Bill (HB 5882), would grant local municipalities the authority to impose a moratorium on the construction of crypto mining facilities and large-scale data centers. Introduced by state representatives Miller, Dievendorf, and Paiz, the bill has been referred to the Government Operations Committee. The measure aims to address community concerns regarding energy consumption, noise, and strain on the power grid by allowing local governments to assess environmental and infrastructure impacts before construction. Industry observers believe that if enacted, the bill could slow the growth of the mining sector in Michigan.

The U.S. White House was temporarily locked down following a nearby shooting incident in which the Secret Service discharged a weapon, Newsis reported. Authorities are currently investigating the circumstances of the incident and the extent of any casualties.