An ancient Ethereum whale sold 16,700 ETH, incurring losses on some trades.

The Ethereum Foundation exchanged 2,000 ETH for approximately 3.87 million USDS via CoWSwap. Over the past three days, the Ethereum Foundation has sold a total of 4,000 ETH.

Trader @AguilaTrades (0x1f2...f925) shorted 500 BTC at $71,697 and then closed the position for profit at $69,081, making a profit of approximately $1.3 million. After closing the position, the trader placed a buy order for 200 BTC, with a price range of $61,000 to $66,000.

Upbit will terminate MANTRA trading support on December 14th. Upbit announced that it will terminate MANTRA trading support at 14:00 (UTC+8) on December 14, 2026, affecting the trading pairs MANTRA/KRW, MANTRA/BTC, and MANTRA/USDT. All outstanding orders will be automatically cancelled after the termination. Upbit decided to terminate trading due to unresolved security risks associated with MANTRA. Furthermore, after the termination of trading support, Upbit will cease providing airdrops, wallet upgrades, and hard forks for this asset. Users can withdraw their MANTRA before January 13, 2027. Users are advised to complete their withdrawals before the deadline.

[Pennysia Ethereum Settlement Contract Attacked; Users Advised to Immediately Revoke Authorization] Pennysia's Ethereum Settlement contract was compromised by an attacker who used arbitrary external calls to authorize tokens with users' remaining tokens. Users who have authorized tokens to this contract are advised to immediately revoke their authorization. The affected contract address is 0x3aad…795e.

[Evan Cheng: Sui to Become the Coordinating Layer for the AI Agent Economy, Already Partnering with Google Cloud] Evan Cheng, co-founder of Mysten Labs, stated that Sui aims to become the coordinating layer for the AI Agent economy, anticipating a significant increase in AI Agent activity on the Sui chain over the next year. Mysten Labs, in collaboration with Google Cloud, has developed the Verifiable Agent Arbiter (VAA), which leverages Sui and Walrus to anchor AI Agent operation proofs, enabling enterprises, auditors, and regulatory bodies to verify agent operations. VAA can interface with Sui Agent Payments and the x402 protocol, covering smart agent payment scenarios. Sui has already deployed technologies such as Move, PTB, Walrus, Seal, and Sphere around AI Agents, encompassing access control, atomic transactions, verifiable storage, and confidential collaboration.