Bitcoin Core includes a transaction verification engine and connects to the bitcoin network as a full node. Moreover, a cryptocurrency wallet, which can be used to transfer funds, is included by default.
Professional certification, trade certification, or professional designation, often called simply certification or qualification, is a designation earned by a person to assure qualification to perform a job or task.
Professional certification is a designation given to an individual who has demonstrated the knowledge and/or skills needed to perform a specific job. Certification is generally a voluntary process created by representatives of a specific vocation to establish and promote high standards among its practitioners.