SCHEDULE 13G 0002111589 XXXXXXXX LIVE Class A ordinary shares 12/31/2025 0001945565 BGIN BLOCKCHAIN LIMITED G17429104 #09 12 Paya Lebar Square 60 Paya Lebar Road Singapore U0 409051 Rule 13d-1(d) Qingfeng Wu F4 249500.00 22554375.00 249500.00 22554375.00 22803875.00 N 20.16 IN The amount in rows 5 and 7 represents 249,500 Class A ordinary shares directly held by Mr. Qingfeng Wu. The amount in rows 6 and 8 represents 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu through Decho Investment Limited, a British Virgin Islands company, an entity wholly owned by Mister NK Limited, a British Virgin Islands company. Mister NK Limited is controlled by The Xiantaipai Trust, a trust managed by Dedao Trust Limited as trustee. Mr. Qingfeng Wu is the settlor of The Xiantaipai Trust. Under the terms of this trust, Mr. Qingfeng Wu has the power to direct the trustee with respect to the exercise of any voting and other rights attached to the shares held by Decho Investment Limited in the Company. The amount in row 9 represents 249,500 Class A ordinary shares directly held by Mr. Qingfeng Wu and 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu. Percentage of class is calculated based on 90,581,566 Class A ordinary shares outstanding as of December 31, 2025, plus the 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu. Decho Investment Limited D8 0.00 22554375.00 0.00 22554375.00 22554375.00 N 19.94 CO The amount in rows 6, 8 and 9 represents 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu through Decho Investment Limited, a British Virgin Islands company, an entity wholly owned by Mister NK Limited, a British Virgin Islands company. Mister NK Limited is controlled by The Xiantaipai Trust, a trust managed by Dedao Trust Limited as trustee. Mr. Qingfeng Wu is the settlor of The Xiantaipai Trust. Under the terms of this trust, Mr. Qingfeng Wu has the power to direct the trustee with respect to the exercise of any voting and other rights attached to the shares held by Decho Investment Limited in the Company. Percentage of class is calculated based on 90,581,566 Class A ordinary shares outstanding as of December 31, 2025, plus the 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu. Mister NK Limited D8 0.00 22554375.00 0.00 22554375.00 22554375.00 N 19.94 CO The amount in rows 6, 8 and 9 represents 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu through Decho Investment Limited, a British Virgin Islands company, an entity wholly owned by Mister NK Limited, a British Virgin Islands company. Mister NK Limited is controlled by The Xiantaipai Trust, a trust managed by Dedao Trust Limited as trustee. Mr. Qingfeng Wu is the settlor of The Xiantaipai Trust. Under the terms of this trust, Mr. Qingfeng Wu has the power to direct the trustee with respect to the exercise of any voting and other rights attached to the shares held by Decho Investment Limited in the Company. Percentage of class is calculated based on 90,581,566 Class A ordinary shares outstanding as of December 31, 2025, plus the 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu. The Xiantaipai Trust E9 0.00 22554375.00 0.00 22554375.00 22554375.00 N 19.94 OO The amount in rows 6, 8 and 9 represents 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu through Decho Investment Limited, a British Virgin Islands company, an entity wholly owned by Mister NK Limited, a British Virgin Islands company. Mister NK Limited is controlled by The Xiantaipai Trust, a trust managed by Dedao Trust Limited as trustee. Mr. Qingfeng Wu is the settlor of The Xiantaipai Trust. Under the terms of this trust, Mr. Qingfeng Wu has the power to direct the trustee with respect to the exercise of any voting and other rights attached to the shares held by Decho Investment Limited in the Company. Percentage of class is calculated based on 90,581,566 Class A ordinary shares outstanding as of December 31, 2025, plus the 22,554,375 Class A ordinary shares issuable upon the conversion of 22,554,375 Class B ordinary shares beneficially owned by Mr. Qingfeng Wu. BGIN BLOCKCHAIN LIMITED #09 12 Paya Lebar Square, 60 Paya Lebar Road, Singapore 409051 Qingfeng Wu Decho Investment Limited Mister NK Limited The Xiantaipai Trust Qingfeng Wu: #09 12 Paya Lebar Square, 60 Paya Lebar Road, Singapore 409051 Decho Investment Limited: Tricor Services (BVI) Limited, 2/F, Palm Grove House, P.O. Box 3340, Road Town, Tortola, British Virgin Islands Mister NK Limited: 2/F, Palm Grove House, P.O. Box 3340, Road Town, Tortola, British Virgin Islands The Xiantaipai Trust: c/o Dedao: Room 1002, 10/F, Tower 1, China Hong Kong City, 33 Canton Road, Tsim Shaa Tsui, Kowloon, Hong Kong Qingfeng Wu: People's Republic of China Decho Investment Limited: British Virgin Islands Mister NK Limited: British Virgin Islands The Xiantaipai Trust: Cayman Islands Y Qingfeng Wu: 22,803,875 Decho Investment Limited: 22,554,375 Mister NK Limited: 22,554,375 The Xiantaipai Trust: 22,554,375 Qingfeng Wu: 20.16% Decho Investment Limited: 19.94% Mister NK Limited: 19.94% The Xiantaipai Trust: 19.94% See Row 5 of the cover page for each Reporting Person. See Row 6 of the cover page for each Reporting Person. See Row 7 of the cover page for each Reporting Person. See Row 8 of the cover page for each Reporting Person. Y Y Y Y Y Y Exhibit 99.1 - Joint Filing Agreement Qingfeng Wu /s/ Qingfeng Wu 02/17/2026 Decho Investment Limited /s/ Qingfeng Wu 02/17/2026 Mister NK Limited /s/ Zhuoran Li 02/17/2026 The Xiantaipai Trust /s/ Zhuoran Li 02/17/2026