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.
You can work in any school, public or private, with a bachelor's degree and teacher certification. Typically, teacher assistant certification applicants need to show proof that they meet the educational and/or testing requirements, and they might also need to submit a background check.