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.
Bill Gates is once again the richest person on the planet, a title heâs held for 16 of the past 21 years. His fortune grew $3.2 billion since last year to $79.2 billion, despite a gift of $1.5 billion in Microsoft shares to The Bill & Melinda Gates Foundation in November 2014.