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v3.26.1

PREPAYMENTS AND OTHER CURRENT ASSETS, NET (Details) ¥ in Thousands |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 30, 2025 | Mar. 31, 2026 item | Nov. 30, 2025 USD ($) item shares | Jul. 31, 2025 USD ($) shares | Jun. 30, 2024 | Mar. 31, 2024 USD ($) item | Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | May 31, 2020
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Employee advances |  |  |  |  |  |  | ¥ 3,710 |  | $ 530,000 | ¥ 620 |
Input VAT recoverable |  |  |  |  |  |  | 5,179 |  | 741,000 | 3,767 |
Prepayments and deposits |  |  |  |  |  |  | 4,798 |  | 686,000 | 18,327 |
Amounts due from intercompany | ¥ |  |  |  |  |  |  |  |  |  | 600 |
Other receivables, credit losses |  |  |  |  |  |  | 40,773 |  | 5,700,000 | 39,577 |
Payment for license fees |  |  |  |  |  |  | 720 | $ 100,000 |  |  |
EUFT Tokens |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Purchase of cryptocurrencies | item |  |  | 100,000,000 |  |  |  |  |  |  |  |
Consideration for acquisition of crypto asset |  |  |  |  |  |  | ¥ 3,510 | $ 500,000 |  |  |
EUFT Tokens | Subsequent event |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Crypto assets, Number of units, Received | item |  | 100,000,000 |  |  |  |  |  |  |  |  |
Beijing Naonao |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Percentage of shares acquired |  |  |  | 30.00% |  | 21.6969% |  |  |  |  | 30.00%
Percentage of shares acquired returned |  |  |  | 21.70% |  |  |  |  |  |  |
Proceeds from returning the restricted shares |  |  |  | $ 300,000 |  |  |  |  |  |  |
Percentage of equity interest | 8.30% |  |  |  |  |  | 8.30% | 8.30% |  |  |
WeiXian |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest |  |  | 3.33% |  | 19.00% |  | 3.33% | 3.33% |  |  |
Receivables from returning the restricted shares |  |  | $ 0.3 |  |  |  |  |  |  |  |
Class A ordinary shares | Beijing Naonao |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Number of shares returned | shares |  |  |  | 238,725,975 |  |  |  |  |  |  |
Fair value of shares returned |  |  |  | $ 300,000 |  |  |  |  |  |  |
Percentage of shares returned |  |  |  | 21.70% |  |  |  |  |  |  |
Class A ordinary shares | WeiXian |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Number of shares returned | shares |  |  | 157,100,240 |  |  |  |  |  |  |  |
Fair value of shares returned |  |  | $ 300,000 |  |  |  |  |  |  |  |
Percentage of shares returned |  |  | 15.67% |  |  |  |  |  |  |  |
SMI CS PTE LTD |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Crypto asset, number of units sold | item |  |  |  |  |  | 200 |  |  |  |  |
Crypto asset, sale value of units |  |  |  |  |  | $ 200,000 |  |  |  |  |
Cash consideration received from disposal of crypto asset |  |  |  |  |  | 20,000 |  |  |  |  |
Value of shares received as a consideration from disposal of crypto asset |  |  |  |  |  | $ 180,000 |  |  |  |  |
Related party |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  | ¥ 515 |  | 74,000 |  |
Related party | Shanghai ZSHX |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Amounts due from intercompany |  |  |  |  |  |  | 500 |  | 70,000.00 |  |
Employee |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Amounts due from intercompany |  |  |  |  |  |  | 5,856 |  | 837,000 | 3,333 |
Nonrelated party |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  |  |  |  |  |
Prepayments and other current assets |  |  |  |  |  |  | ¥ 19,543 |  | $ 2,794,000 | ¥ 26,047 |

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