Alex Salmond went first, telling the audience that Scotland faces a "simple proposition". He says that "no-one will run this country better than the people who live and work in Scotland".
Alistair Darling says that Salmond wants everyone to take his word on everything. He focuses on the issue of currency.
With just a few weeks to go until the Scottish independence referendum takes place, here are some key facts about the vote.
An investigation has been launched after listings appeared on eBay offering to sell votes in the upcoming Scottish independence referendum.
Bounce for leaving the union following second debate this week, but only 43% expected to vote yes in referendum on September 18