Sumcoin is a cryptographic blockchain using scrypt proof-of-work algorithm. Sumcoin tracks all coins in real time and is an aggregate or "sum" of all top 100 coins by market capitalization.It is for those who want to gain maximum exposure to the crypto space but may only want to hold one coin for simplicity, which can reduce risk factors. Sumcoin has 9 mining pools and uses the Scrypt algorithm.