South Korean authorities are investigating a cryptocurrency breach at Upbit that resulted in the unauthorized transfer of approximately $30.6 million in Solana-linked assets. The attack is suspected to involve North Korea's Lazarus Group, according to government and industry sources cited by Yonhap News. Dunamu, which operates Upbit, confirmed the theft and stated it will reimburse all affected users using its own reserves. Withdrawal and deposit services were halted as internal security reviews commenced.

Solana traded near $142 with a 4% daily gain after reclaiming the $130 support level, according to CoinGecko data. Analysts identify this threshold as critical for determining whether SOL targets $250–$293 or faces downside risk toward $75–$50. On-chain data shows the asset entered capitulation territory, while institutional inflows and ETF activity continue to shape market dynamics.

SUI is trading near critical support levels with weakening momentum across multiple timeframes. The 1-day chart shows bearish technical indicators including a declining 9-day EMA, negative MACD histogram, and RSI in the mid-30s range. Key resistance levels at $1.743, $1.856, and $2.0828 continue to cap upside attempts, while support zones at $1.3451, $0.8117, and $0.7606 represent critical downside thresholds.

South Korean authorities suspect North Korea's Lazarus Group orchestrated the theft of approximately $30.4 million in cryptocurrency from Upbit, the country's largest digital asset exchange. The breach involved irregular withdrawals of Solana-based assets detected Thursday, prompting the platform to immediately suspend deposit and withdrawal services. Investigators noted the attack methodology resembles a 2019 incident attributed to the same group.

Terraform Labs founder Do Kwon has asked a U.S. federal court to limit his prison sentence to five years after pleading guilty to fraud charges related to the Terra-Luna collapse. His defense team filed a 23-page letter on November 26 arguing the proposed term would be appropriate given the circumstances. Kwon's sentencing hearing is scheduled for December 11.

SKY token rose 10% within 24 hours, pushing its market capitalization back above $1 billion. The rally aligned with buyback operations totaling $65.64 million across 1.395 billion tokens and a 78% increase in daily trading volume to $23.55 million, data show.

MegaETH, an Ethereum Layer 2 project, will refund all capital from its Pre-Deposit Bridge following operational failures during Tuesday's launch. The event encountered service outages, multiple deposit cap adjustments, and a multisig configuration error that caused unplanned early reopening. Deposits exceeded $400 million before the team halted further expansions.

MegaETH will return all $500 million collected during its November 25 bridge campaign. The Ethereum scaling project cited technical crashes, multisig errors, and compliance gaps that disrupted the launch. All participants will receive full refunds through a new smart contract currently under audit.