Hong Kong’s Stablecoins Ordinance, effective August 2025, ushers in Asia’s first comprehensive regulation for fiat-referenced stablecoins. The regime demands licensing, full reserves, transparent redemption, AML/CFT compliance, and strong governance. It balances financial innovation with investor protections, aiming to position HK as a leading digital finance hub. Strong localization and capital requirements may limit SME participation, while offshore entities face restrictions when targeting Hong Kong users. Ongoing sandbox projects and upcoming HKMA guidelines will shape real-world application and broader market impact.