[BGIN's First BTC ASIC Chip BT1 Achieves Successful 4nm Tape-Out] BlockBeats News, March 17 — U.S. publicly listed company BGIN BLOCKCHAIN LIMITED (NASDAQ: BGIN), a digital asset technology company with proprietary cryptocurrency mining technology and a manufacturer of cryptocurrency mining hardware, announced today that its BT1 Bitcoin mining ASIC chip, utilizing 4nm process technology, has successfully completed its first tape-out. This is the company's first proprietary chip specifically designed for Bitcoin mining, marking a significant milestone in its Bitcoin mining chip project. The project entered the tape-out phase in October 2025, and the first tape-out was immediately successful. With the tape-out completed, the BT1 chip has now entered the system-level testing and production preparation phase. This success marks the seventh consecutive successful tape-out for BGIN's ASIC mining chip projects since 2022, setting a record for outstanding execution. BGIN stated that the successful first tape-out helps reduce development risks and strengthens the company's confidence in executing its multi-generation Bitcoin mining roadmap. Additionally, early development of the next-generation advanced architecture has already commenced, aiming to achieve superior energy efficiency performance in future chips.