If you want to improve the efficiency of trade, then invest in real estate. Consider such a project as Estate Coin. You can get guaranteed income and great opportunities!  ICO Estate Coin integrates a mining farm into the infrastructure of the house. Mining gives additional income, which makes real estate investment very attractive. Investors will be able to receive a stable income over a long period of time: the houses are designed for operation for about 70 years, the mining will be relevant for at least 100 years. Tokens that are realized within of the ICO campaign will give an opportunity to receive income up to 36% per annum in the cryptocurrency. More details can be found here https://estate-coin.com.