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Related Party Transactions - Schedule of Related Parties Transactions (Details) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Schedule of Related Parties Transactions [Line Items] |  |
Accounts receivable and other receivables, net | € 91 | € 8
Prepaid expenses and other current assets | 622 | 295
Prepayment for digital assets | 28,680 |
Digital assets | 78,174 |
Accounts payable | 345 | 177
Other long-term liabilities |  | 197
Directors and previous directors [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Accounts receivable and other receivables, net | 1 | 4
Company owned by a relative of a director [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Accounts receivable and other receivables, net | 90 | 4
Prepaid expenses and other current assets |  | 263
Affiliate [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Prepaid expenses and other current assets | 622 |
Other related parties [member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Prepaid expenses and other current assets |  | 32
Companies owned by directors and previous directors [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Accounts payable | 219 | 140
Relative of a director [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Accounts payable | 57 | 37
Minority shareholders [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Accounts payable | 69 |
Directors [Member] |  |
Schedule of Related Parties Transactions [Line Items] |  |
Other long-term liabilities |  | € 197

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- Definition The amount of current prepayments and other current assets. [Refer: Other current assets; Current prepayments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard -URIDate 2025-03-27 + Details
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