Popular US-based crypto exchange Coinbase has signed a multi-million contract with the Department of Homeland Security for technology development. Under the agreement, Coinbase will deliver ‘application development software as a service for U.S. immigration and customs enforcement (ICE). Coinbase received $455,000 from the department when the contract took effect last Thursday. However, Coinbase will receive upwards of a million dollars as the contract can see an extension of three years.