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amo

In the past six years, the five major virtual asset platforms in South Korea have experienced 57 incidents of hacking and system failures, with a total compensation amount reaching 7 billion won

According to the Korea Herald, the five major virtual asset trading platforms in South Korea (Upbit, Bithumb, Coinone, Korbit, Gopax) have experienced a total of 57 hacking and system failure incidents over the past six years (from 2020 to April 2026), with a total compensation amount of approximately 7 billion Korean won (about 5.1 million USD). By exchange, the number of incidents is as follows: Upbit 26 incidents, Bithumb 14 incidents, Gopax 8 incidents, Coinone 6 incidents, Korbit 3 incidents.Among them, Bithumb compensated approximately 2.5 billion Korean won (about 1.8 million USD) for the BTC misissue incident in February this year, Upbit compensated approximately 790 million Korean won (about 570,000 USD) for a hacking incident in November 2025, and compensated approximately 3.2 billion Korean won (about 2.3 million USD) for a system incident on December 3, 2024. It is worth noting that the standards for compiling incident reports by exchanges and the scale and form of compensation vary. For example, Gopax counts errors that occur when viewing the asset list as system failures, while Bithumb only counts situations where all customers encounter difficulties using core services for more than 10 minutes as system failures.In addition, Bithumb also provided some applicants who suffered losses due to system failures with free fee vouchers instead of cash compensation. The compensation amounts for system failures are as follows: Upbit approximately 3.21 billion Korean won, Bithumb approximately 3.2 billion Korean won, Coinone approximately 49 million Korean won. Korbit and Gopax did not provide any compensation.

After 14 years, Bitcoin addresses from the Satoshi Nakamoto era have shown activity, and some dormant wallets may still be controlled by their original owners

According to CoinDesk, an address from the "Satoshi era" that has never been used since March 2011, holding 35.55 bitcoins (approximately $2.54 million), made a transfer this week, which is seen as one of the first publicly visible responses from defendants in a lawsuit involving approximately 3.8 million bitcoins (valued at about $285 billion) in New York.On-chain data shows that the address transferred 15 BTC to a new address on June 2, keeping the remaining 20.55 BTC as change. The address initially received bitcoins on March 27, 2011, when the price of BTC was less than $1.In March of this year, a plaintiff using the pseudonym "Noah Doe" filed a lawsuit in New York state court alongside two LLCs from Wyoming, attempting to claim ownership of approximately 3.8 million long-dormant bitcoin wallets under New York's lost property law, positioning themselves as the "discoverer." The court approved sending on-chain notifications to the relevant wallets via the bitcoin OP_RETURN field.In July 2025, the advisory firm Salomon Brothers Strategic Advisors sent dust transactions with links to legal notices to 39,000 wallets, including the aforementioned address, requesting holders to prove ownership within 90 days.Alex Thorn, head of research at Galaxy Research, pointed out that the address corresponds to defendant number 38215 in the case, stating, "Clearly, these bitcoins have not actually been abandoned."Additionally, another address that had been dormant for 15 years, 1CDSyXAQxro4FPUoqAQb81642ruqDsUiNp, also transferred 20 BTC (approximately $1.48 million) on the same day, but this address did not appear on Noah Doe's list of lawsuits.Analysis suggests that the on-chain movements mentioned above indicate that some bitcoins from the Satoshi era, considered "abandoned assets," are actually still under the control of the original holders.

The second trial of the 660,000 yuan virtual currency theft case in Wuhan, China, has been revised: the main culprit was sentenced to ten years and six months in prison, and the amount stolen was determined based on the actual payment cost incurred by the victim

According to the "Procuratorial Daily," Lin, Zeng, and Dai conspired to use virtual currency trading as a pretext. During the trading process, they secretly filmed the victim's digital wallet private key and, after the virtual currency was credited, secretly logged into the victim's wallet to reverse the transaction, transferring the related virtual currency back to their controlled accounts. The three committed the crime three times, causing the victim a total economic loss of 660,000 yuan.The first-instance court held that in the absence of a clear judicial interpretation regarding the valuation method of virtual currency and sentencing standards, it was inappropriate to directly determine the amount involved as particularly huge based on the victim's purchase amount of 660,000 yuan. Therefore, they sentenced the three based on "other serious circumstances," imposing prison terms ranging from eight years to five years and six months, along with fines. The Hanyang District Procuratorate of Wuhan City in Hubei Province subsequently filed an appeal, which was supported by the Wuhan City Procuratorate.The prosecution argued that the first-instance court applied the law incorrectly and imposed an excessively light sentence. Prosecutor Dai Wentao of the Wuhan City Procuratorate stated that in the case where the victim had a clear loss amount to refer to, it was contradictory and legally erroneous to claim that the value of virtual currency could not be determined. In judicial practice, using the resale price and transaction price as the basis for determining the amount of theft has become mainstream, and determining the value of virtual currency based on the actual cost paid by the victim has factual, legal, and practical basis.The Intermediate Court of Wuhan accepted the prosecution's opinion in the second instance, revoked the corresponding content of the original judgment, and changed the determination of the theft amount to particularly huge. It sentenced the principal offender Lin to ten years and six months in prison for theft, and sentenced the accomplices Zeng and Dai to eight years in prison each, along with fines.

In the Ural region of Russia, 10,000 mining machines were seized from an illegal mining site, with electricity cost losses amounting to nearly 1 billion rubles

According to Bits.media, a large illegal cryptocurrency mining operation was discovered in the city of Nizhny Tagil in Sverdlovsk Oblast, Russia, and the nearby city of Kushva. The mining operation was hidden in an abandoned industrial park and deployed about 10,000 mining machines, which were dismantled by a joint operation of the Federal Security Service of the Russian Federation, the police, and the power company.Local power companies estimate that the losses caused by the long-term illegal electricity usage of this mining operation amount to nearly 1 billion rubles (approximately 12.7 million USD). Investigators stated that its electricity consumption was sufficient to meet the lighting needs of a small city. Law enforcement has arrested three suspects, who are currently under house arrest and are being investigated for "causing property damage through deception or abuse of trust." Under Russian law, those involved could face up to 5 years in prison.Investigations revealed that the operators of the mining site accessed the power grid through intermediaries and allegedly tampered with electricity meter data to cover up the actual electricity usage. Law enforcement agencies stated that the actual electricity consumption of the mining operation was about twice the approved quota. The local energy department initially launched an investigation due to frequent voltage fluctuations, power outages, and equipment failures in the abandoned factory area, ultimately pinpointing the location of the mining operation. A local television station also produced a documentary titled "Mining" to document this operation.
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