COA is a settlement token based on Volcanomae for various transactions and settlements on the Volcanomae platform, including product chaining, inspection agency inspection, logistics enterprise settlement, retailer sales, consumer purchases in various industries. A series of activities such as consumer traceability. Volcanomae has established a credible enterprise anti-counterfeiting traceability mechanism. The traceability technology assigns unique encryption and anti-copy source code to each product or service. By collecting and recording information on product production, circulation and consumption, the source of the information chain can be realized. Check, go to chase, responsibility can be studied." Volcanomae aims to apply anti-counterfeiting traceability technology to all walks of life, solve the trust problem of end consumer products from the source, use the underlying technology of blockchain to solve the existing problems in the industry, reshape the industrial structure and build the application ecology.