In other words, one would like to block certain coins so that a third party agrees that they can be issued: Tabarrok describes in his document “The private supply of public goods through dominant insurance contracts”. Under a dominant insurance contract, if a contract fails (not enough commitments within a set period), the trader pays a fee to those who have so far mortgaged. This type of contract tries to design incentives so that participation is always the right strategy. A scheme for the dominant insurance contracts in Bitcoin has been proposed. The Deal Coin is based on the new ETHEREUM ERC827 protocol, a blockchain-based distributed computing platform, where all surplus coins are kept in cash for future growth. 2. Prohibited businesses. . .