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cs.DB2026
FairDAG: Consensus Fairness over Multi-Proposer Causal Design
Dakai Kang, Junchao Chen, Tien Tuan Anh Dinh +1
The rise of cryptocurrencies like Bitcoin and Ethereum has driven interest in blockchain database technology, with smart contracts enabling the growth of decentralized finance (DeF…
cs.DB2025
Thunderbolt: Concurrent Smart Contract Execution with Non-blocking Reconfiguration for Sharded DAGs
Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias +1
Sharding has emerged as a critical technique for enhancing blockchain system scalability. However, existing sharding approaches face unique challenges when applied to Directed Acyc…