Henderi, Qurotul Aini, Danny Manongga, Irwan Sembiring, and Dwi Apriliasari. 2022. “Transformation of Payment in Education Use Bitcoin With Reduced Confirmation Times”. Aptisi Transactions on Technopreneurship (ATT) 5 (1):1-8. https://doi.org/10.34306/att.v5i1.285.