Security considerations

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.