Introduction

This document dives into the knowledge base of security considerations for Vision developers. For any new findings, feel free to contribute by using the suggest edits button.

Contents

• User/Developer Entropy Pay Ratio describes how to prevent account draining attacks.
• Fee Limit on Deploy/Execution describes range limits and where to set limit.
• Frozen Entropy and Out of Entropy describes the maximum entropy limit formula and its applications.
• Timeout and Infinite Loop Pitfalls guides developers on how to best avoid these pitfalls.
• Illegal Operations and Penalties describes how invalid operation codes could be triggered, and best practices to avoid it.
• Non-Existent Account Transfers and Penalties describes how to avoid the non-existent account transfer penalty.
• Developer Entropy Cost Protection describes the Developer Origin Entropy Limit parameter, its purpose, and how to set this parameter.
• Fallback Functions guides developers on the implementation of this class of functions within smart contracts.