“As a payments data scientist, I was shocked when I started to uncover the level of abandonment during the checkout and payment journey. Today, upwards of 45% of customers place items in their shopping cart, but never finalise their purchase due to payment related issues. This translates to over $5.2 trillion of lost revenue per year."

https://financialit.net/news/fundraising-news/fero-raises-3m-seed-round-pioneer-online-payment-solutions