1. Why did Bitcoin ETFs record USD 1.177 billion in outflows?
US spot Bitcoin ETFs experienced USD 1.177 billion in weekly net withdrawals, led by BlackRock's IBIT with USD 1.209 billion in outflows. The figures indicate substantial selling pressure, although the data does not establish investors' specific reasons for withdrawing.
2. Why is Cardano's ADA price declining?
Cardano traded around USD 0.1748 after five consecutive weeks of losses, with large wallets selling approximately 50 million ADA since November 4. The cryptocurrency also remained below its 50-day, 100-day and 200-day exponential moving averages.
3. What happened in the Ankr bridge exploit?
Ankr's Ethereum cross-chain bridge reportedly suffered five unauthorized withdrawals worth more than USD 303,000 on November 9. According to Blockaid, the attacker exploited the bridge using a small Optimism deposit and transferred the withdrawn assets into another wallet.
4. Why is Solana planning to remove durable nonces?
Solana developers proposed SIMD-0723 to eliminate durable nonces following their reported exploitation in the USD 270 million Drift Protocol hack. The change aims to address risks associated with transactions that remain valid long after being signed.
5. Why did Ethereum postpone the Hoodi testnet upgrade?
Ethereum developers delayed the Hoodi testnet fork after identifying potential compatibility issues involving gas accounting and transaction execution. Auditors found that EIP-8037 and EIP-8038 could change how existing smart contracts behave under low-gas conditions.
