EMD
                                
                            
                        
                    
                 
                                Emerald (EMD) is an innovative new alt coin that uses scrypt for mining. Emerald has a relatively fast 20 second block time and has 50 confirmations required for newly mined blocks and 3 for transactions. The block reward is set at 5 emeralds per block and halves every two years. Difficulty retargets every hour.