Circle, the issuer of the stablecoin USDC, is reportedly exploring a transaction reversibility feature for its new blockchain, Arc, aimed at financial institutions. This proposal has ignited a debate within the crypto community, with critics arguing that it challenges the fundamental blockchain principle of immutability. However, supporters believe it could facilitate mainstream adoption by addressing concerns over transaction errors and fraud. Circle has clarified that the proposed mechanism will not directly reverse transactions on the blockchain. Some industry experts suggest that this feature might inadvertently enhance Bitcoin's attractiveness as a censorship-resistant asset, highlighting the ongoing tension between innovation and traditional blockchain values.