Circle launched its Arc mainnet on September 16, 2026, with a strict policy that stolen USDC funds on the network cannot be recovered through rollbacks. Circle's Chief Product and Technology Officer, Nikhil Chandhok, explained that immutability is a core feature of Arc, meaning transactions are permanent and cannot be reversed by any party, including Circle. While Circle can freeze USDC tokens at the token layer to block addresses, the blockchain itself does not allow transaction history to be rewritten. Arc uses a Proof-of-Authority model with institutional validators like BlackRock, Visa, and Mastercard, and plans to transition to Proof-of-Stake governance with the ARC token in the future. This approach highlights Circle's commitment to trust and security in blockchain infrastructure, prioritizing finality and privacy through trusted execution environments.
Circle CPTO Nikhil Chandhok's explanation of Arc's policy on USDC thefts is provided alongside Pluang's cryptocurrency market snapshot. For readers following cryptocurrency trends, here is Pluang's market data as of Sep 19, 2026 06:51 WIB: out of 50 major cryptocurrencies, 43 rose and 6 fell. Notable movers include COTI at Rp376 with a 1-day change of -15.87%, UNI at Rp157.043 with +15.41%, and THETA at Rp3.684 with +11.70%.
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