Analysis: Arbitrum Freezes KelpDAO Hacker's ETH in System-Level Transaction, Injected via ArbOS by Security Council
On April 21st, Dragonfly General Partner Haseeb Qureshi published an analysis of the Arbitrum Security Council’s freeze of 30,766 ETH belonging to the KelpDAO hacker.
Key details from the analysis:
- The transaction was an **ArbitrumUnsignedTxType** (EIP-2718 type 0x65/101) — a system-level transaction that regular EOAs cannot sign, and only the Arbitrum Security Council can inject via ArbOS.
- This action did **not** involve chain rollbacks or historical state rewrites; it was a *state-level clawback*: the hacker’s private key still works for signing transactions, but the ETH in their address was moved by the chain itself.
- The operation showcased the Security Council’s authority in the "catastrophic emergency" scenario outlined in Arbitrum’s progressive decentralization documentation.
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Binance will adjust the collateralization ratio for the Unified Account section, and users' current positions will be affected
Binance announced on April 21 that it will adjust partial asset collateralization ratios for its Unified Account on April 24, 2026, at 14:00 UTC+8.
Key collateral ratio changes:
- WBTC: 70% → 60%
- CAKE & ETHFI: 60% → 50%
- INJ: 60% → 40%
- TRUMP: 50% → 30%
Starting at 14:30 UTC+8 the same day, leverage and margin tiers will be reduced for nearly 20 U-margined perpetual contracts, including ARKMUSDT, BIGTIMEUSDT, and BOMEUSDT.
Binance reminds users that existing positions will be impacted, and contract grid strategies may be terminated. Users are advised to adjust positions promptly ahead of the changes and closely monitor their Unified Account’s maintenance margin ratio to mitigate potential liquidation risks.
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ASTEROID Narrator's Mother: Never Benefited from Daughter's Passing by Creating Any Cryptocurrency or Account
April 21st Update: In the context of the meme coin ASTEROID, the mother of 15-year-old Liv Perrotto clarified that earlier posts on her X account were fake—her account had been hacked. She never created any cryptocurrency or account to profit from her daughter’s passing. All revenue generated on the Bags platform will be used entirely to establish a memorial foundation in her daughter’s honor.
She also apologized to anyone who lost money in the scam, saying: “I would rather the hacker steal my money than harm others.” She emphasized the account was only used to honor her daughter and share her story.
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「Silver Stallion Squadron」 Opens 20x Leveraged ETH Short, Reaching $12 Million Position
April 21st — Per HyperInsight monitoring (https://t.me/HyperInsight), the "Silver Ironhead Air Force" address (0x61ceef212ff4a86933c69fb6aca2fe35d8f2a62b) opened a 20x leveraged ETH short position in the past 30 minutes.
Key details:
- Average entry price: $2,314
- Position size: 5,181 ETH (~$12 million)
- Liquidation price: $2,790
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SpaceX's IPO Filing Reveals Musk's Symbolic Salary, CEO's Total Compensation Reaches $85.8 million
April 21 — A Reuters report citing SpaceX’s prospectus shows President and Chief Operating Officer Gwynne Shotwell earned total compensation of $85.8 million last year, ranking among the highest-paid U.S. executives.
Shotwell received a $1 million base salary, with most of her pay derived from stock options and awards. The prospectus summary notes Chief Financial Officer Bret Johnson’s total compensation was $9.8 million.
As a major SpaceX shareholder, CEO Elon Musk took home just $54,080 in salary last year.
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Binance will delist AAVE/ETH Leveraged Token Tradable Assets
Per an official announcement on April 21, Binance will delist the following leverage trading pairs at 14:00 on April 24.
Isolated Margin Trading Pairs:
AAVE/ETH, STX/BTC, ICP/BTC, SEI/BTC, AAVE/BTC, UNI/BTC, LTC/ETH, NEAR/BTC, XLM/BTC, ADA/ETH
Cross Margin Trading Pairs:
STX/BTC, ICP/BTC, SEI/BTC, AAVE/BTC, UNI/BTC, LTC/ETH, NEAR/BTC, XLM/BTC, ADA/ETH
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