For some systems, this is arguably a feature. Banks are rightly cautious about touching core transaction processing systems, systems that cost millions per minu

For some systems, this is arguably a feature. Banks are rightly cautious about touching core transaction processing systems, systems that cost millions per minute when down. But the use of COBOL generally doesn’t extend to the consumer facing product, or the APIs that support those consumer facing experiences. Banks may be backwards, but the use of older languages is not one of the primary reasons.