What is the difference between the 32 bit and 64 bit MAC addresses

Does 32-bit or 64-bit JVM matter anymore?, by Ram Lakshmanan, Tier1app.com

What is the performance impact when increasing in a secure connection the key-size in the certificate form 1024-bit RSA to e.g. 2048-bit or even 4096-bit (in terms of time consumed)? - Quora

Does 32-bit or 64-bit JVM matter anymore?

How many bits are in a MAC address? - Quora

Road to Snow Leopard: twice the RAM, half the price, 64-bits

IPv6 addresses

How many bits are in a MAC address? - Quora

64-bit address

Change (Spoof) MAC Address with MAC Address Changer