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:
- EtherDelta (~10.3 million transactions)
- IDEX (~4.6 million transactions)
- EOS (~2.9 million transactions)
- CryptoKitties (~2.6 million transactions)
- Tron (~1.9 million transactions)
- Poloniex (~1.7 million transactions)
- Bittrex (~1.5 million transactions)
- Bittrex (~1.5 million transactions)
- Bitcoinereum (~1.5 million transactions)
- OmiseGO (~1.4 million transactions)
(Source: SFOX)