[Bithumb to Terminate Support for Cortex (CTXC) Trading] Bithumb announced that it will terminate support for Cortex (CTXC) trading on December 29, 2025, at 14:00 (UTC+8), and withdrawal services will end on January 29, 2026, at 14:00 (UTC+8).
According to the popularity ranking, MERL's popularity has decreased by 560000 followers compared to yesterday, ranking first. The popularity ranking is as follows: ① MERL （$0.3147，8.74%） ② ZEC （$480.92，-5.32%） ③ AT （$0.2146，-18.19%） ④ ETH （$3059.35，0.93%） ⑤ IRYS （$0.03896，-22.08%） MERL's main funds have strong selling power, with a net outflow of $4.096 million in 24 hours and a transaction volume of $764 million in 24 hours, of which the main funds had a net outflow of $2.8072 million.
[CryptoQuant: ERC20 Stablecoin Supply Surpasses $160 Billion, Reaching a Historic High] The latest report from CryptoQuant shows that the total supply of ERC20 stablecoins surpassed $160 billion in 2025, setting a new all-time high. The report highlights a significant correlation between stablecoin supply and Bitcoin price trends, with stablecoin growth typically preceding Bitcoin price increases. During the 2021 bull market and the 2024-2025 market recovery, the growth in stablecoin supply consistently occurred before Bitcoin price surges. The CryptoQuant research team stated that the current stablecoin supply is at a historic high, reflecting a sustained strengthening of underlying market purchasing power.
[A certain whale closed Bitcoin short positions and switched to long, losing approximately $1.6 million] According to monitoring by Lookonchain, the whale with the address starting with 0x0ddf9 has closed 1,000 Bitcoin short positions worth $91 million, incurring a loss of approximately $1.6 million. The whale then opened 1,000 Bitcoin long positions worth $91 million with 3x leverage, with a liquidation price of $59,112.
[CryptoQuant CEO: Deriving Private Keys from Addresses May Only Be Achievable by North Korea's Lazarus Group] Regarding the theft of approximately 44.5 billion KRW (around $36 million) in crypto assets from Upbit, CryptoQuant CEO Ki Young Ju stated that the attack method disclosed by Upbit is 'almost impossible for ordinary hackers to accomplish.' Upbit claimed that the attackers might have inferred private keys by analyzing user wallet address patterns. Ki Young Ju believes this technique is extremely challenging, and if true, he suspects no other hacker group besides North Korea's Lazarus could achieve it.
[Upbit Suspends Digital Asset Deposits and Withdrawals Due to Security Breach, Promises Full Compensation for User Losses] Upbit CEO Woo Jin-seok apologized to users for the recent cybersecurity incident, admitting that the issue was caused by insufficient security management. Upbit has suspended digital asset deposits and withdrawals, tracked the outflow of assets, and frozen approximately 2.3 billion KRW in assets. In this incident, Upbit confirmed the total amount of damaged assets to be approximately 44.5 billion KRW, of which user losses amounted to about 38.6 billion KRW. Upbit has pledged to fully compensate user losses using its own assets. Upbit is currently undergoing a comprehensive upgrade of its wallet system and will resume digital asset deposit and withdrawal services once security is confirmed. The company also stated that it will further strengthen its security system to prevent similar incidents from happening again.