24H Hot Cryptocurrencies and Key News｜South Korean Tax Agency Leaks Mnemonic Phrase, Resulting in $4.8 Million in Assets Stolen; OpenAI and Amazon Announce Strategic Partnership (February 28)
- Core View: The market exhibits a pattern of overall correction coexisting with structural hotspots. Mainstream cryptocurrencies have generally declined, while some small-cap tokens and inverse ETF products have shown outstanding performance. Meanwhile, the industry has seen significant developments across multiple fronts including regulation, technological cooperation, and security incidents.
- Key Elements:
- Divergent Market Performance: The top 10 mainstream tokens by CEX trading volume generally fell over the past 24 hours, with declines ranging from 1% to 8%; the gainers list was led by small-cap tokens such as SAHARA (+54.72%) and WET (+16.04%).
- Frequent Regulatory Developments: Morgan Stanley applied for a banking license to expand its digital asset custody and staking business; the US state of Minnesota proposed a bill aiming to comprehensively ban cryptocurrency ATMs.
- Major Security Incident: The South Korean National Tax Service leaked a wallet mnemonic phrase in a press release, leading to the theft of assets worth approximately $4.8 million, exposing institutional security risks.
- Strategic Cooperation Upgrade: Amazon announced a $50 billion investment in OpenAI, with both parties engaging in deep technological cooperation. AWS will become the exclusive third-party cloud provider for the OpenAI Frontier platform.
- Geopolitical Impact: Multiple countries have issued evacuation warnings for the Middle East region. Escalating geopolitical risks may affect market sentiment.
- Project and Funding Progress: Solana launched its payment tool Solana Payments; fintech company Dots completed an $8.9 million Series A funding round and already supports payments in various cryptocurrencies.
1. CEX Hot Tokens
Top 10 CEX Trading Volume and 24-hour Price Change:
- BNB: -2.27%
- BTC: -2.91%
- ETH: -5.57%
- SOL: -5.56%
- XRP: -3.42%
- DOGE: -3.90%
- PEPE: -4.69%
- TRX: -1.02%
- ZEC: -8.28%
- PAXG: +1.94%
24-hour Top Gainers (Data Source: OKX):
- SAHARA: +54.72%
- ATH: +12.53%
- WET: +16.04%
- ZKJ: +9.04%
- AIXBT: +8.19%
- FLOW: +6.61%
- DEGEN: +6.45%
- ORBS: +6.28%
- CHZ: +6.21%
- YB: +6.88%
24-hour Top Gainers - Tokenized Stocks (Data Source: msx.com):
- Dell Technologies Inc. - MSX: +21.33%
- Block, Inc. - MSX: +16.34%
- NetFlix Inc - MSX: +13.13%
- ProShares Ultra Silver - MSX: +11.19%
- ProShares UltraShort Ether ETF - MSX: +10.34%
- EchoStar Corporation - MSX: +7.96%
- T-Rex 2X Inverse NVIDIA Daily Target ETF - MSX: +7.18%
- MARA Holdings, Inc. Common Stock - MSX: +6.39%
- T-Rex 2X Inverse MSTR Daily Target ETF - MSX: +5.84%
- ProShares UltraShort Bitcoin ETF - MSX: +5.72%
2. Top 5 On-chain Meme Tokens (Data Source: GMGN):
- kobot
- NEKA
- ELON MUSK
- SEEKER
- BLUECOLLAR
Headlines
South Korean Tax Agency Leaks Mnemonic Phrase in Press Release, Leading to $4.8 Million Asset Theft
The South Korean National Tax Service accidentally published an unmasked photo containing a handwritten Ledger wallet mnemonic phrase in a press release on February 26, resulting in approximately $4.8 million (about 6.4 billion KRW) in assets being stolen by hackers. On-chain data shows that 4 million PRTG tokens from the related wallet were subsequently transferred to anonymous addresses. Experts criticized the South Korean tax authorities for lacking basic cybersecurity awareness.
OpenAI and Amazon Announce Strategic Partnership, Amazon to Invest $50 Billion in OpenAI
OpenAI and Amazon announced a multi-year strategic partnership, with Amazon investing $50 billion in OpenAI (initial $15 billion). The two parties will jointly develop a stateful runtime environment powered by OpenAI models, to be offered to AWS customers via Amazon Bedrock. AWS will become the exclusive third-party cloud distribution provider for the OpenAI Frontier platform. OpenAI has committed to using approximately 2 gigawatts of Trainium compute power through AWS infrastructure.
Multiple Countries Issue Evacuation Warnings for the Middle East
Geopolitical risks have sharply escalated: The U.S. State Department ordered non-emergency diplomats to evacuate Israel and required the evacuation of non-essential personnel from the U.S. Embassy in Iraq; Canada, Kazakhstan, and China's Ministry of Foreign Affairs successively issued warnings urging their citizens to evacuate or avoid traveling to Iran; the UK has temporarily evacuated its staff from Iran; France has advised its citizens not to travel to Israel and the West Bank.
Industry News
Morgan Stanley Applies for Bank Charter to Expand Digital Asset Custody and Staking Business
Morgan Stanley has applied to establish a new national trust bank charter to conduct digital asset custody business and plans to offer staking and trading services to investment clients. The application was submitted to the U.S. Office of the Comptroller of the Currency (OCC) by Morgan Stanley Digital Trust on February 18. Previously, the bank had applied to launch spot Bitcoin and Solana ETF products and plans to launch its own digital wallet this year.
Minnesota Proposes Bill to Completely Ban Cryptocurrency ATMs
Minnesota State Representative Erin Koegel introduced bill HF 3642, aiming to completely ban the operation of cryptocurrency kiosks in the state, which would repeal the regulatory framework established in 2024. FBI data shows that losses involving Bitcoin ATMs exceeded $333.5 million from January to November 2025, with individuals over 60 years old constituting the majority. If passed, Minnesota would become one of the first U.S. states to completely eliminate physical cryptocurrency terminals.
Project News
Solana Launches Solana Payments, Offering Real-time Payment Simulator and Developer Documentation
Solana has officially launched Solana Payments, allowing developers to access a real-time payment simulator, developer documentation, and case studies to begin building payment applications on-chain.
An Address Accumulates 2,000 XAUT Worth $10.4 Million via NEAR Intents Over Past 4 Days
According to Lookonchain monitoring, an address (0x83C0...Dc1) cross-chained 5,263 ETH (worth $10.4 million) via NEAR Intents over the past 4 days and exchanged it all for 2,000 XAUT (Tether Gold tokens).
Investment & Financing
US fintech startup Dots has completed an $8.9 million Series A funding round, led by DCM with participation from Y Combinator, bringing its total funding to over $14.8 million. Dots builds a payment layer for modern platforms, processing over $150 million in payments monthly. It has transferred over $1.5 billion to more than 1 million gig workers, creators, and contractors globally. The company's revenue grew over 400% last year and it became profitable in 2025. The company already supports cryptocurrency payments in USDC, USDT, Bitcoin, and Ethereum.
Voices
Trump Orders: All Federal Government Agencies to Immediately Cease Using Anthropic
U.S. President Trump announced a directive for all federal agencies in the U.S. government to immediately stop using Anthropic's technology. Agencies already using Anthropic products will have a six-month phase-out period. He warned that if Anthropic does not cooperate, he will use the full power of the presidency, and the company will face significant civil and criminal consequences.
Trump: Not Satisfied with Negotiations with Iran
U.S. President Trump stated that the U.S. side is not satisfied with negotiations with Iran, demanding that Iran stop uranium enrichment, but Iran has not provided a satisfactory response. Trump also stated that he is not worried about the impact of an attack on Iran on oil prices.
Coinbase's Vice President of Legal, Ryan VanGrack, stated that some U.S. state governments are "misleading the public" when restricting prediction market businesses by misinterpreting federal law. He emphasized that the Commodity Exchange Act clearly grants the CFTC exclusive jurisdiction over derivatives markets. States attempting to exclude sports event contracts from the definition of derivatives lack legal basis, and placing a national derivatives market under a "patchwork of 50 different regulators" would harm market stability.
CZ Comments on Block Layoffs: Either Fully Embrace AI or Face Replacement
Binance founder CZ commented on Block's large-scale layoffs and increased focus on AI strategy, stating that companies that do not actively embrace artificial intelligence may ultimately face the risk of being replaced by technology.
The ETF Store President, Nate Geraci, stated that spot Bitcoin ETF investors' overall holdings have remained relatively stable during the recent Bitcoin price correction. Data shows that since Bitcoin hit its all-time high, spot Bitcoin ETFs have seen cumulative net outflows of approximately $6.5 billion. However, compared to the cumulative net inflows of $55 billion attracted since January 2024, the outflow proportion is relatively limited. The past three days have recorded over $1 billion in net inflows.
