Terrill Dicki
Nov 05, 2025 13:36
Seal introduces a novel approach to access control by making encryption the default and policy the key, transforming how data access is managed in real-world applications.
In a groundbreaking development, Seal is set to transform access control mechanisms by implementing programmable policies that prioritize data encryption, according to a report by Sui. Seal addresses the limitations of traditional Identity and Access Management (IAM) systems, which focus on infrastructure rather than product-specific access needs.
Challenges with Traditional IAM
Existing IAM tools are primarily designed to manage infrastructure access, answering questions such as who can call specific APIs. However, this approach often fails to meet the nuanced requirements of modern applications, where access is contingent on data, context, and timing. Many teams resort to adding complex layers of Role-Based Access Control (RBAC) or Attribute-Based Access Control (ABAC), which can complicate system architecture.
Seal’s Innovative Approach
Seal introduces a different paradigm by using encryption as the default state for data, with policies serving as the keys to access. This ensures that data remains encrypted until a specific programmable policy permits decryption. By embedding rules with the data itself, Seal allows for more straightforward application-level rule expression without the need for multiple external systems.
This model not only simplifies operations but also reduces the risk of data leaks. Policies are anchored on Sui, providing a durable and auditable trail, which enhances security and transparency. Optional storage of access logs on platforms like Walrus offers additional audit capabilities.
Real-World Applications
Seal’s approach is versatile, offering reusable patterns that can be tailored to various sectors. Examples include allowlist membership, time-locked access, and secure voting. These patterns can be encoded in Sui smart contracts, enabling features such as membership-gated content and time-locked previews without the complexity of ad-hoc access control lists.
Simplifying Access Control
Seal’s data boundary enforcement model allows teams to encode business rules next to product logic, reducing the complexity of maintaining multiple control planes. With Seal, data remains encrypted unless explicitly decrypted by policy, minimizing the risk of unauthorized access and simplifying compliance with privacy standards.
Implementation and Future Prospects
Developers can quickly implement Seal using its SDK and Sui-based policy patterns. This allows for seamless integration into new applications and the replacement of scattered authorization mechanisms with concise, verifiable policy code. The platform’s flexibility supports incremental implementation, enabling businesses to enhance data security progressively.
For more information on Seal’s capabilities and implementation, visit the Sui blog.
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