Not so on the B2B side of payments, where payments between trading partners remain dominated by the 20th-century’s favorite payment method — where, staggeringly, 50 percent of all payments between business are made by check.

As horrifying as that sounds, that number is probably underestimating its use, when the businesses trading are the “Mighty Middles” — businesses with between $5 million and $1 billion in annual sales, where, according to AvidXchange CEO Michael Praeger, it’s even higher.

“That number [50 percent] is probably skewed upwards a bit by the larger enterprise-size players,” Praeger noted. “If you take the middle market, it’s probably a lot closer to 70 percent to 80 percent. They are very clearly an underserved market.”