There are currently several standards and frameworks for blockchain and IoT security and assurance, with new ones emerging as these technologies continue to evolve.
One widely recognized standard is the ISO/IEC 27001, which provides a framework for information security management systems (ISMS). This standard has been adapted for blockchain technology in the ISO/TC 307 Blockchain and Distributed Ledger Technologies committee.
Another standard is the NIST Cybersecurity Framework, which provides a risk-based approach to managing cybersecurity risks. This framework has also been adapted for IoT in the NIST Cybersecurity Framework for IoT.
In addition to these standards, there are also emerging frameworks specifically designed for blockchain and IoT security. One such framework is the Consensus Audit Guidelines (CAG) developed by the Blockchain Security Alliance, which provides guidance on assessing the security and integrity of blockchain systems.
For IoT security, the Open Web Application Security Project (OWASP) has released the IoT Top 10 Project, which aims to identify the most critical security risks for IoT devices and provide guidance on how to mitigate them.
Overall, as blockchain and IoT continue to expand and become more ubiquitous, it is expected that more standards and frameworks will emerge to help ensure their security and trustworthiness.