Ключевые слова: application, at hand, business, cancellation, certification, conclusion, consent, contract, contract conclusion, digital, digital signature, digital transformation, document, dx, electronic contract, electronic document, electronic ledger, electronic signature, entry, file, guarantor, interface, internet, invoice, loan, negotiation, offer, paperless, paperwork, procedure, real estate, rent, sale, sales, sales contract, sales transaction, signature, stylus pen, tablet, transaction, ui, write,