Canonical: https://builtonarc.app/project/mastercard

# Mastercard on Arc

Builds on Arc: Founding validator; named by Circle in the Arc mainnet release as a card-network participant.
Integrates · Banks & Enterprises › Card networks · Founding validator
Status: announced — Listed on Circle's official Arc ecosystem page; announcement only, nothing observed on chain. — checked 2026-09-02 — source: https://www.circle.com/arc
Verification: official source recorded; product live to customers not observed; checked 2026-09-02.
Flags: none
Links: website https://www.mastercard.com/us/en.html

Built on Arc is an independent directory and is not affiliated with Circle. Status is an observation on the date shown, not an endorsement.