{"slug":"openzeppelin-contracts","name":"OpenZeppelin Contracts","category":"Smart-contract libraries","summary":"Solidity implementations of common token, access-control and utility contracts.","spdx":"MIT","tier":"green","confidence":"high","licence_note":"GitHub licence API reported MIT on 2026-10-01. The project README also points at terms on openzeppelin.com/tos. Read both. Blockchain Lab has not audited this repository. A licence check is not a vulnerability scan, a dependency review, or a security audit.","obligation":"Keep the copyright and permission notice with any substantial copy.","url":"https://github.com/OpenZeppelin/openzeppelin-contracts","repo":"OpenZeppelin/openzeppelin-contracts","maintainer":"OpenZeppelin","runtime":"EVM, Solidity","use_for":["A reviewed token or access-control primitive on an EVM chain","Starting from a maintained library instead of a pasted snippet"],"not_for":["A claim that a product is secure because it imports OpenZeppelin","A securities offering, by itself"],"risks":["Admin keys and upgrade proxies can override the token rules.","An old release is not the current release."],"reviews":["Security review of the contracts you actually deploy","Legal review if the token represents a regulated claim"],"source_code":null,"commit":null,"audited_by_blockchain_lab":false,"source_class":"S3","reuse_status":"reuse_pending","headline":"Research available. Reuse pending.","demo_export_available":false,"exports":[{"export_type":"E0","allowed":true,"disposition":"allowed"},{"export_type":"E1","allowed":true,"disposition":"allowed"},{"export_type":"E2","allowed":true,"disposition":"allowed"},{"export_type":"E3","allowed":true,"disposition":"allowed"},{"export_type":"E4","allowed":true,"disposition":"allowed"},{"export_type":"E5","allowed":true,"disposition":"allowed"},{"export_type":"E6","allowed":false,"disposition":"held"},{"export_type":"E7","allowed":false,"disposition":"held"},{"export_type":"E8","allowed":false,"disposition":"held"},{"export_type":"E9","allowed":false,"disposition":"held"},{"export_type":"E10","allowed":false,"disposition":"held"}]}