There is behavior code contract that parents and children need to sign. (pcschools.us)
Yifei went on to describe how the PBoC should exercise caution when implementing some of the more advanced attributes of blockchain technology, like the executable distributed code contracts of the Ethereum blockchain, and stressed the importance of avoiding «other social and administrative functions» that are not usually associated with fiat. (ethnews.com)
Function exploits found in electronically distributed code contracts of ERC20 tokens have caused a flurry of concern at cryptocurrency exchanges. (ethnews.com)