Arc stablecoin market cap grows by $155M in past week

Arc, the Layer-1 blockchain built by Circle, just had a very good week for stablecoin supply. Its stablecoin market cap reached approximately $670.75 million on October 19, 2026, a 30.05% jump from the week before. That works out to roughly $155 million in fresh stablecoins in seven days. For a chain that went live barely a month ago, that is a brisk pace. The catch is that the money and the people are moving in opposite directions. Stablecoins are piling in while daily active wallets have reportedly fallen 94% from their launch-week peak. USDC does nearly all the heavy lifting If you were wondering which stablecoin powers Arc, the answer will not shock you. USDC, Circle’s own dollar token, accounted for $661.55 million of the total, or 98.63% of the chain’s stablecoin supply as of October 19. The broader picture is also sizable. Total value locked on Arc, meaning the combined value of assets deposited into apps on the chain, stood at $792.96 million on October 19. Stablecoins make up the bulk of that figure. In plain terms, most of the money parked on Arc is digital dollars rather than more volatile tokens. A fast start, then a quieter crowd Arc’s mainnet launched on September 16,...