Arbitrum Activates ArbOS Dia Upgrade, Introduces Support for Fusaka EIP

January 12: Per Hyperinsight monitoring (via its Telegram channel: https://t.me/HyperInsight), the "ETH Focus" whale (address 0x720a6) closed a long position of 2599.23 ETH for profit, netting $257,000. Since October 2025, the address has exclusively executed ETH single-asset long/short trend trades—with holding periods ranging from minutes to days—realizing a total profit of $3.4105 million across its full trading cycle.

January 12: Binance Alpha has listed CharacterX (CAI).

**January 12 Update: Polymarket-Based Bot Polycule Suspected of Rug Pull** Community sources report that Polycule—a Polymarket-powered trading bot project—may have carried out a rug pull. Last Thursday, the Polycule team claimed it was hacked, with $230,000 in user funds impacted. The bot is currently offline, and the team previously said patching and audits would wrap up by the end of the weekend. However, as of the latest update, affected users still cannot withdraw their funds. The team has not shared any new details on the incident, pointing to a potential rug pull.

January 12: Per HyperInsight monitoring, the "Lightning Reversal" whale (0x50b30) continued reducing its holdings, closing 16.96 BTC in long positions with a $4,401 loss. Currently, the whale still holds: - A 20x leveraged long position of 16.96 BTC (≈$1.55 million) with an unrealized loss of $5,000; - A 14x leveraged short position of 11,366.46 ETH (average entry price: $3,073.66) with an unrealized loss of $843,000.

January 12th Recent turmoil between Venezuela and Iran has once again put stablecoins’ dual role in the spotlight. US dollar-backed stablecoins—especially Tether (USDT)—serve as a critical store of value and payment tool for everyday people in inflation-stricken, financially constrained nations. At the same time, they’ve been used by some sanctioned groups to make cross-border transfers and evade sanctions. In Iran, the rial’s long-running devaluation, combined with sanctions and social unrest, has made crypto a key hedge against inflation and systemic risks. The 2025 hack of Iran’s largest crypto exchange, plus multiple blacklistings of USDT addresses, hit stablecoin adoption hard. Last September, Iran’s government imposed annual stablecoin limits: individuals may hold up to $10,000 in stablecoins and make annual purchases no exceeding $5,000. Compliance concerns have also drawn scrutiny. Blockchain analytics firm TRM Labs notes that since 2023, Iran’s Islamic Revolutionary Gu