POLICY AND PROCEDURE FOR SEIZING CRYPTOCURRENCIES

Cyber Security Malaysia provide excellent guidelines for Cryptocurrencies

The purpose of this document is to provide generic guidance and suggested process on seizing cryptocurrencies.
It was developed based on input from the relevant agencies, compilation of best available information, knowledge
and field experience to provide guidance to Malaysian law enforcement officers so that activities are performed in a
consistent and standardized manner.
This document should be used as a reference. However, differences may exist between the procedures referenced
in this document and what is appropriate under field-specific conditions. For the avoidance of doubt, the use of
this document shall not in any way create, or be relied upon to give rise to, any right in the user which may be
enforceable at law in any matter whether civil or criminal.

https://www.cybersecurity.my/data/content_files/48/2435.pdf