Islamic finance is the concept of practicing the financial activities according to Sharia (the islamic law) . though that the original concepts of the islamic finance can be tracked to beginning of the islam back 1400 years ago, the formal islamic finance occurred only in the 20th with launching the islamic banks in Saudi Arabia and united Arab Emirates .Islamic finance grows very fast with range of 15%-25$ per year, increasing the value of the asset which is managed according to the islamic finance rules from $200 Billion in 2003 to oversee over $2 trillion.
According to the Sharia islamic law, which is considered the principles source of the Islamic finance,
Some actives are strictly prohibited :
1-Interest Charging.
2-Investing in business activates which are prohibited in Islam.
3-Speculation – gambling (maisir)
4-Uncertainty and risk (gharar)
In additional to two principles of :
1- Transactions must be based on assets and legitimate trade.
2- Risks and benefits should be shared.