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In 2025, the Layer 1 blockchain landscape is witnessing renewed competition among key players, capturing significant investor interest. Sui (SUI), Coldware (COLD), and Cardano (ADA) have emerged as the primary contenders in this arena. Each platform offers distinct technological advantages and strategic visions, contributing to their prominence in market discussions. Sui is noted for its scalability and innovative consensus mechanisms. Coldware emphasizes security and privacy features, appealing to cautious investors. Cardano continues to leverage its robust academic foundation and peer-reviewed approach, maintaining its reputation for reliability and sustainability.