Ключевые слова: authorization, banking, cancellation, card, chargeback, compliance, crash, credit, customer, declined, delays, detection, digital, dispute, disputes, downtime, error, errors, failed, failure, financial, fraud, funds, gateway, insufficient, mediation, money, monitoring, online, payment, payments, prevention, problems, process, refund, refusal, regulations, resolution, reversal, security, system, technical issues, technology, transaction, transactions, transfer, troubleshooting, unauthorized,