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Vitalik: Ethereum Needs to Set a Smart Contract Size Limit Due to DoS Risk

2 hours ago

On December 23, Ethereum co-founder Vitalik Buterin addressed a community question: “Why does Ethereum still have a contract size limit?” He cited concerns over DoS risks as the core reason. Once Ethereum’s state structure upgrades to a unified binary tree (per EIP-7864), unlimited contract size is anticipated. However, gas costs and mechanism design for deploying extremely large contracts still need to be resolved. Currently, costs are calculated on a per-byte basis, leading to an actual contract size cap of around 82KB.
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Ethereum Dips Below $2900, 24-hour Loss Extends to 5.4%

On December 23rd, per HTX market data, Ethereum has fallen below $2,900, with its 24-hour decline widening to 5.4%.

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Bitcoin Falls Below $87,000, 24-hour Loss Extends to 3.6%

On December 23, Bitcoin dropped below $87,000, posting a 3.6% decline over the past 24 hours, per HTX market data.

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Bitget(@bitget)'s #Bitcoin reserves have been growing and now stand at 34,055 $BTC(~$3B) — up 114% year-over-year.

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U.S. GDP Growth Surges Rate Cut Fear Could Become "Bubble Burst," January Rate Cut 25 Basis Points Probability Falls to 13.3%

December 23rd — CME’s FedWatch Tool shows the probability of a 25-basis-point Fed rate cut at its January 28, 2026, meeting has dropped to 13.3% following today’s U.S. macro data release, while the odds of holding rates steady stand at 86.7%. Last week, that cut probability was 31%. U.S. third-quarter real GDP grew at an annualized, inflation-adjusted rate of 4.3% (initial estimate) — the strongest quarterly pace since the fourth quarter of 2023. For March 2026, the likelihood the Fed keeps rates unchanged through then is 54.4%, with a 40.7% chance of a cumulative 25-bp cut and 4.9% for a total 50-bp reduction. The Fed’s next two FOMC meetings are set for January 28, 2026, and March 18, 2026.

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CertiK: Total Loss of Security Incidents Within the Year Is Approximately $3.35 Billion, Supply Chain Security Emerges as Unignorable Systemic Risk

On Dec. 23, Web3 security firm CertiK released a report showing total losses from Web3 security incidents in 2025 hit roughly $3.35 billion. Supply chain attacks accounted for $1.45 billion—nearly half the annual total—making them the year’s most disruptive risk source. A notable case is the February Bybit breach: Instead of directly hacking the trading platform’s systems, attackers implanted malicious code into a third-party multisig wallet provider’s developer environment, bypassing its multi-approval process. The incident caused losses of around $1.4 billion. Today, attackers are shifting focus to key service providers and underlying tools (rather than individual protocols), turning supply chain security into an unavoidable systemic risk.

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US Stocks Flat Open, Crypto-Related Stocks Down Overall; BitMine Drops 3.4%

December 23rd Market Update: U.S. stocks opened flat on the day, with the S&P 500 up 0.02% and the Nasdaq Composite rising 0.03% at the open. Cryptocurrency-related stocks were broadly lower, posting the following declines: - BitMine Immersion (BMNR): 3.4% drop - SharpLink Gaming (SBET): 2.1% decline - Circle (CRCL): 3.3% down - MicroStrategy (MSTR): 1.7% lower - Coinbase (COIN): 1.5% decrease - MARA Holdings (MARA): 1% fall - Riot Blockchain (RIOT): 1.5% down This structure aligns with U.S. financial news conventions—concise, bullet-pointed for readability, and uses common market terminology (e.g., "broadly lower," "decline," "drop") that fits native English usage.

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