Automatically translated version. May contain inaccuracies compared to the original.
After the death of the crypto trader Konstantin Hanich, known by the pseudonym Kostya Kudo, his family faced lawsuits from creditors demanding the return of funds he was given for investment. As of 1 October 2026, at least four civil suits are in the court registry, and in two of them the claims total nearly 397 thousand dollars. Parallel to this, law enforcement and regulators have focused on the crypto school Cryptology Key, its tokens, and possible violations of tax legislation.
After the death of Konstantin Hanich, courts began examining claims by people who say they transferred money or cryptocurrency to him for trust management. According to available information, creditors are trying to seize funds from the estate. To guarantee possible enforcement of decisions, the court placed arrests on a share of an apartment, bank accounts, and cars linked to the trader’s inheritance, according to media reports. Among the plaintiffs is Tetiana Chemycheva, who demands the return of 296 874 USDT under two investment agreements, and Ivan-Vladyslav Kirkach, who filed claims for 100 thousand dollars. Two more lawsuits were filed by Mykola Khatmullin and Oleksandr Lysenko. The amounts of their claims are not specified in the materials cited. The mere filing of a suit does not mean the claims have been confirmed by a final court decision. According to the court materials, the agreements envisaged conducting trading operations in financial markets and sharing possible profits. After Konstantin Hanich’s death, creditors began to demand the return of funds through the courts. At the same time, the liability of heirs for the deceased’s obligations is limited to the value of the property received in inheritance, under Ukrainian law. The estate includes a share in an apartment in Kyiv, funds on bank accounts, and two expensive cars — a Lamborghini Urus and a Ferrari 296 GTB. The total value of the assets was estimated at about 600 thousand dollars. Meanwhile, media reports suggested that the obligations of Konstantin Hanich to investors could be much higher — from 30 to 60 million dollars. These amounts should not be considered the legally established debt. Separate questions arose around claims of possible loss of access to the trader’s main crypto wallet. It has not been possible to reliably determine how many digital assets remained at the time of his death and where they are located, according to the information provided. This affects whether creditors can rely on other assets besides the property already involved in court disputes. Another focus of law enforcement attention was the Cryptology Key crypto school, whose cofounder and public face was Konstantin Hanich. The project sells training courses in trading, the price of which, according to published data, ranges from 700 to 1500 USDT. The sale of educational services itself is not proof of wrongdoing, but questions have arisen about the tax model of activity and the promotion of digital assets related to the project.
According to materials from the Anti-Economic Security Bureau investigation, revenues from course sales could have been distributed among 29 individual entrepreneurs. A preliminary estimate of potential tax shortfalls for 2023–2024 years was 70,1 million hryvnias, including 36,8 million hryvnias VAT and 33,3 million hryvnias profit tax. These figures are calculations within the pre-trial investigation, not amounts established by a definitive judgment. A criminal proceeding under part three of Article 212 of the Criminal Code of Ukraine, concerning tax evasion on a particularly large scale, began in May 2025 year. According to information about the case, the cyber police oversee the investigation at the instruction of the BEB. Details of the proceedings are not disclosed. The case materials also mention five tokens — Furmula, Emoji, Water, Rafpaf and Popcorn — linked to the Cryptology Key circle. According to the investigation, during operations with these assets, transit crypto wallets and transactions creating the appearance of demand could have been used. Investigators suggest this could affect token prices and incentivize investors to put in funds. These circumstances require proof, including analysis of asset movements and identifying the persons who controlled the respective wallets. In the project’s corporate structure, a British company CRYPTOLOGY KEY LABS LTD appears, registered in London 13 August 2024. Among the persons associated with the CryptologyKey brand in Ukraine are Konstantin Hanich, Vadym Voloshyn, and Allan Kurban-Magomedov. According to the British register, the company’s ownership structure changed, and questions arose about mandatory reporting and the procedure for possible forced closure. These corporate circumstances themselves do not prove the involvement of specific individuals in wrongdoing. 18 November 2025 year The National Securities and Stock Market Commission added Cryptology Key to the list of projects with signs of potential fraud. Vadym Voloshyn and Allan Kurban-Magomedov challenged this decision in court. Proceedings on their claim opened on 10 June 2026 year. Therefore, the legality of the regulator’s actions and the claimants’ arguments should be assessed within the court process. As of the beginning of October 2026 year, the creditors’ claims against Konstantin Hanich’s estate, the tax proceedings, and the dispute over the regulator’s decision remain separate legal processes. Their outcomes will determine which claims will be upheld, whether it will be possible to recover funds, and what consequences the findings of the investigation will have for people and companies associated with the crypto school.
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