The significance of this metric is questionable because transferring money to yourself (for example, from one device to another) counts as a transaction here. Financial transactions with Visa or PayPal are more likely to be transfers of value from one person or organization to another.
It's unlikely that Bitcoin is used for a larger total amount of person-to-person payments than these other systems.
It's unlikely that Bitcoin is used for a larger total amount of person-to-person payments than these other systems.