Research: ICOs and exchanges dominate Ethereum's top smart contracts

SFOX, a cryptocurrency prime dealer, published an analysis of nearly 30 million transactions from Ethereum's ten largest smart contracts. According to SFOX, the ten contracts fall into four categories: (1) decentralized exchanges, (2) centralized exchanges, (3) ICOs, and (4) collectible tokens. 

The ten largest smart contracts, by number of transactions, are as follows:

1. EtherDelta (~10.3 million transactions)
2. IDEX (~4.6 million transactions)
3. EOS (~2.9 million transactions)
4. CryptoKitties (~2.6 million transactions)
5. Tron (~1.9 million transactions)
6. Poloniex (~1.7 million transactions)
7. Bittrex (~1.5 million transactions)
8. Bittrex (~1.5 million transactions)
9. Bitcoinereum (~1.5 million transactions)
10. OmiseGO (~1.4 million transactions)

(Source: SFOX)