It's useful mostly because the traditional system hasn't adapted. It is ridiculous that our large banks still basically use FTP transfers of text files to move

It's useful mostly because the traditional system hasn't adapted. It is ridiculous that our large banks still basically use FTP transfers of text files to move money, and those transfers typically take 48+ hours to settle. Waiting 2 days isn't good enough for many applications, that's a lot of risk to take on.