65,535 - that is the limit of unique TCP/IP ports that's currently allowed on most systems (since port number is a 16-bit integer value) If multiple currencies overlap in port numbers, or if future coins use some other mechanism to connect to their peer networks you could always have more, .
In 2007, its founders were ranked as the second most generous philanthropists in America, and Warren Buffett the first. As of May 16, 2013, Bill Gates had donated US$28 billion to the foundation.
The Bill & Melinda Gates Foundation. Since heâs stepped down from his role as Microsoft CEO, Gates and his wife, Melinda, have focused heavily on charity work. The Bill & Melinda Gates Foundation is one of the largest charitable organizations in the world and has an endowment thatâs worth $40 billion.