Can stateless persons become legal-economic subjects without state ratification? Can they appropriate technologies not designed for them to create both new subjectivities and new forms of community? A Malaysia-based nonprofit social enterprise, composed of stateless Rohingya, has been attempting to circumvent state rejection by inscribing aspects of Rohingya (in)dividuals—biometric data, genealogy information, and records of community participation—on a digital blockchain ledger. The enterprise seeks to mobilize blockchain’s affordances to iteratively construct Rohingya subjects, re-presenting them to new institutions (banks rather than humanitarians) as quasi-legal persons, producing entities ultimately certified for “financial inclusion”—bank accounts and loans—thereby hoping to generate post-Westphalian spaces and subjectivities. Yet, amid a revanchist nationalist resurgence in Malaysia—as with bourgeoning right-wing populism globally—the spaces in which blockchained subjects might maneuver have narrowed, compelling our attention to the “nonsovereignty” in this project’s version of “self-sovereignty.” [blockchainbiometricsscience and technology studies(non)sovereigntystatelessnessMalaysiaRohingya]