Arc
Arc is Circle’s Layer 1 blockchain designed for compliant stablecoin settlement, with USDC as a native gas token and built-in identity and compliance primitives. Mainnet launch expected 2026. Arc targets institutional settlement use cases where regulatory compliance must be embedded at the chain level rather than layered on top.
Canonical site: StableL1.com Cross-references: StablePPSI.com, StableRTGS.com