What is the lightning network?
The lightning network is an additional protocol layer on top of Bitcoin. It provides a way to route payments across multiple payment channels in a decentralized way. Read more about the lightning network at lightning.network or lnroute.com. You can find a lightning enabled wallet at lightningnetworkstores.com.
Transactions on the lightning network are almost instant. No need to wait for a confirmation on the blockchain.
Fees for lightning transactions are very low, because they are done off-blockchain.
The lightning network can execute a very high number of transactions, in the range of millions to billions.