CryptoCurrency Security Standard (CCSS) is a set of requirements for all information systems that make use of cryptocurrencies, including exchanges, web applications, and cryptocurrency storage solutions. By standardizing the techniques and methodologies used by systems around the globe, end-users will be able to easily make educated decisions about which products and services to use and with which companies they wish to align.
CCSS is designed to complement existing information security standards (i.e. ISO 27001:2013) by introducing guidance for security best practices with respect to cryptocurrencies such as Bitcoin. CCSS is not designed to substitute or replace these standards; in fact, following the CCSS to the letter while ignoring standards like ISO 27001:2013 will likely lead to compromise. CCSS is a cryptocurrency standard that augments standard information security practices. As with any standard, knowledgeable and experienced security professionals and/or auditors are necessary when implementing any information system to ensure coverage of all classes of attack as well as the appropriate handling of all potential risks.
There are different types of cryptocurrency systems, and an Entity can have multiple types of systems. Entities are not certified, but rather systems are certified. Systems can be certified as CCSS Level 1, 2, or 3 with increased security as the levels increase. Systems fall into 3 buckets. Self-Custody, Qualified Service Provider (QSP), and Full System.
A self-custody system has sole control of the private keys that controls that entity’s own funds.
A CCSS Qualified Service Provider (QSP) is a system that does not meet all applicable CCSS requirements in totality because there will be some requirements that the system using the service will be either wholly or partially responsible for. Because of this, the QSP can only meet the requirements that they (1) have the ability to control, and (2) are part of the service that they provide.
A CCSS Full System is a system that meets all applicable CCSS requirements in totality. In situations where a system includes a QSP system as part of their system, some CCSS requirements may be met by the QSP system, as determined by the CCSSA.
The standard is maintained by the CCSS Steering Committee. The committee's mission is to ensure the standard continues to remain up-to-date with industry best practices and remain neutral. Current CCSS Steering Committee members are (in alphabetical order): S. Dirk Anderson, Andreas M. Antonopoulos, Petri Basson, Noah Buxton, Jameson Lopp, Joshua McDougall, Michael Perklin, and Ron Stoner.
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