On February 28th, Bluefin announced that it has acquired the majority of the equity of InsideX, the online trading terminal of Sui Chain. InsideX is an integrated trading terminal on the Sui Network, providing multifunctional trading tools.

Golden Finance reported that, according to Spot On Chain monitoring, the Bybit hacker has already whitewashed more than 50% of the stolen Ethereum within a week after the attack. Data shows that in the past 5.5 days, the hacker has whitewashed 266,309 ETH (about $6.14 billion) - accounting for 53.3% of the total stolen amount of 499,000 ETH - successfully, mainly converting it to Bitcoin through THORChain, processing an average of about 48,420 ETH per day.

The market shows that Bitcoin has dropped more than 25% from its historical high of $109,588, taking 39 days, and is now trading at $82,726.

On February 28th, according to market data, as of the morning closing of the US stock market, the Dow Jones Industrial Average fell by 0.4%, the S&P 500 Index fell by 1.58%, and the Nasdaq fell by 2.78%. Nvidia (NVDA.O) fell by 8.4%.

According to Lookonchain monitoring, today 10 American Bitcoin ETFs net outflow 10,391 BTC (8.8661 billion US dollars), of which BlackRock outflow 5,002 BTC (4.2678 billion US dollars), currently BlackRock holds 578,320 BTC (49.34 billion US dollars); 9 Ethereum TFs net outflow 51,813 ETH (1.201 billion US dollars), of which BlackRock outflow 30,280 ETH (70.19 million US dollars), currently BlackRock holds 1,317,621 ETH (3.05 billion US dollars).

According to Greeks.live, traders see $82,000 as a key support level for Bitcoin, which must be held to maintain the trend in the higher time frame.

Strategy (formerly MicroStrategy) founder Michael Saylor posted on social media, "On Tuesday, I had the opportunity to meet with members of the U.S. House Financial Services Committee and its chairman French Hill to discuss digital assets and how to make the United States a global leader in Bitcoin and cryptocurrencies."

Bitcoin (BTC) dropped to $85,000 on Feb. 27 as markets reacted to news of new US trade tariffs. The BTC/USD 1-hour chart showed a sell-off as Trump confirmed the tariffs would proceed. The S&P 500 and Nasdaq Composite Index opened lower, while the US dollar index (DXY) rose 0.6%, erasing previous losses. The Kobeissi Letter noted that smaller investors were exiting, leading to record outflows from US spot Bitcoin ETFs. Traders are now looking for potential reversal areas for BTC/USD, with a focus on closing the CME Group's Bitcoin futures market gap.

On-chain analyst Ali posted on X, stating that in the past 72 hours, whales have bought over 130 million ADA.

On the fifth day of Open Source Week, its Fire-Flyer file system (3FS) was officially open sourced. As a high-performance parallel file system, 3FS can fully utilize modern SSDs and RDMA networks to achieve high-speed data access, improving the efficiency of AI model training and inference.

According to the Bitcoin Office of El Salvador, in order to align with President Bukele's economic freedom policy, the government of El Salvador has passed a groundbreaking artificial intelligence law aimed at providing regulatory clarity and certainty for the AI industry, specifically covering the development and innovation of open-source models.

According to Sonic SVM announcement, the Layer 2 extension network Mobius mainnet based on the Solana Virtual Machine (SVM) has officially launched, aiming to enhance Solana's scalability and provide a dedicated computing layer for high-frequency applications such as DeFi and GameFi. In addition, Sonic SVM has launched a mainnet reward program with a total of 2.4 million SONIC tokens, as well as a $1 million hackathon, to encourage developers to deploy applications on Mobius. The first season of Mobius activities has now begun and will continue until April 10th, allowing developers and users to enter the Sonic SVM ecosystem, experience on-chain games and DeFi applications, and earn rewards.

OpenAI's upcoming model, GPT-4.5, is expected to be up to 20 times more expensive than its predecessor but is anticipated to be more creative and have a more "natural" conversational style, according to OpenAI and early testers. The new model is said to have a broader knowledge base, improved emotional intelligence (EQ), and the ability to make creative insights without the need for reasoning. Despite its enhanced creativity and conversational style, GPT-4.5 may not excel in detailed step-by-step logic compared to OpenAI's o-series models. Additionally, the model may be slower due to its size and does not produce multimodal output like audio or video.

According to Onchain Lens monitoring, a whale's 50x leverage Bitcoin long position on HyperLiquid was liquidated 11 hours ago, resulting in the investor losing $10.39 million after holding the position for 2.5 months.

Nvidia, a leading chip manufacturer, exceeded expectations on Wall Street with its latest earnings, showing an almost 80% increase in revenue year-over-year driven by sales of its AI-focused microchips. In its earnings report for the fourth quarter of the 2025 fiscal year, Nvidia reported revenues of $39.3 billion, up 12% from the previous quarter and 78% from the same quarter a year ago. Despite Wall Street estimates predicting lower revenue, Nvidia's earnings per share of 89 cents surpassed expectations of 84 cents. CEO Jensen Huang credited the strong performance to high demand for the microchip Blackwell, designed for AI, machine learning, and high-performance computing. The company's data center revenue, which accounted for over 90% of total revenues, reached $35.6 billion, marking a 93% increase from the previous year.

ZKP identity verification protocol Self Protocol announced the acquisition of OpenPassport, which is a decentralized identity platform that was previously supported by the Ethereum Foundation. The specific acquisition amount has not been disclosed yet. After the transaction is completed, Self Protocol will launch the Self APP on the Apple and Google app stores.

Cobo, a provider of digital asset custody and wallet technology, announced the launch of the Safe{Wallet} co-signing service, allowing users to independently parse and risk-control Safe multi-signature transactions within the custody address, further enhancing transaction security.

US bond investors are starting to bet that the focus of the Fed's policy will shift from suppressing inflation to addressing economic growth slowdown. In this expectation, US bonds have risen for six consecutive trading days, with yields falling to the lowest level of the year.

Ripple announced a strategic partnership with the South Korean digital asset company BDACS to provide institutional custody services for XRP and RLUSD. Ripple today announced this partnership and noted that it aligns with the regulatory approval roadmap of the Financial Services Commission (FSC) of South Korea. The roadmap aims to support institutional participation in South Korea's digital asset market.

Coinbase (COIN.O) said it has noticed that some users may experience delays or performance degradation when using cryptocurrency-backed loans.