How is the payment information block rendered in an order confirmation email?

A preliminary reading: How is a confirmation email sent on an order placement?

1. Magento\Sales\Model\Order\Email\Sender\OrderSender::prepareTemplate()

2. Magento\Sales\Model\Order\Email\Sender\OrderSender::getPaymentHtml()

3. Magento\Payment\Helper\Data::getInfoBlockHtml()

See also: