Circle’s USDC Leads Stablecoin Market with 79% of Transaction Volume

TL;DR Circle’s USDC captured 79% of total stablecoin transaction volume in Q3 2026, reaching $13.9 trillion on-chain as network adoption accelerated. Daily issuance and redemption activity averaged $2.3 billion, driving the total quarterly volume of minting and redeeming operations to $208 billion . The company expanded its ecosystem through the newly launched Arc Mainnet , which accumulated $1.5 billion in assets while powering enterprise automated settlement layers. Blockchain network settlement activity experienced a shift during the third quarter of 2026 as Circle solidified its leadership in institutional digital asset movement. USDC processed 79% of total stablecoin transaction volume , growing from a 66% share recorded during the same period last year. On-chain volume reached $13.9 trillion, representing a 49% increase year-on-year.

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