The following table lists the deadliest volcanic eruptions in the world on record according to name, year, number of deaths, and major cause of deaths. In 1812, Tambora volcano in Indonesia erupted causing 92,000 deaths.
In a nutshell, Venmo is a simple cashless and paperless digital payment service through a mobile app that replaces the traditional methods of cash, checks, or cards, within a social network of known friends, and to people in close geographical proximity.
That means building a service that's more social and easily accessible on your mobile device. An electronic money service, especially one aimed at helping friends split checks and resolve real-world money matters, is only as good as its ability to get money from one friend to the other. Venmo now does so overnight.