Bitcoin Hyper, BlockDAG, and Remittix have been identified as leading crypto presales amid December's market volatility. Analysts highlight these projects for their real-world applications, robust technology, and security features. Bitcoin Hyper aims to enhance Bitcoin scalability through Layer 2 solutions, while BlockDAG has successfully completed multiple security audits. Remittix stands out with a live wallet, CertiK verification, and confirmed listings on centralized exchanges. Additionally, Remittix is conducting a $250,000 giveaway to boost user engagement.