Advanced Patterns·Lesson 21 of 23·15 min
Role-Based Access Control, OpenZeppelin AccessControl
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The concept Ownable's single-owner model works for small contracts but breaks down once you need several distinct permission levels — a contract might want one address able to mint tokens, a different address able to pause transfers in an emergency, and a third (often a multisig) able to grant or revoke either of those without ever touching day-to-day operations itself.……
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