Even without a Frankenstein solution I imagine it is very difficult, tedious, and cumbersome. Two banking cores will be wildly different and there aren’t very m

Even without a Frankenstein solution I imagine it is very difficult, tedious, and cumbersome. Two banking cores will be wildly different and there aren’t very many open banking specifications. Not to mention that there are tons of bespoke business rules and drastic differences in how they are implemented. Also differences in the software will be derived in variances in how each banks lawyers understand the legal regulations. I’d imagine it is probably like merging two spider webs together.