Circle Launches Refund Protocol on Arc Blockchain for Institutional Payments
        
        
        
        
          
        
        
      
        
    
        
        Circle's Arc blockchain now integrates a Refund Protocol, establishing an escrow-based dispute resolution mechanism essential for enterprise-grade stablecoin transactions.
        
        Optimistic Rollup Incentive Vulnerability Mitigated by Novel Mechanisms
        
        
        
        
          
        
        
      
        
    
        
        New game-theoretic models reveal optimistic rollup dispute vulnerabilities, proposing escrowed rewards and commit-reveal protocols to secure validator incentives and deter fraud.
