Trade, as a process of exchange of commodity and material values, has been known since the Stone Age. This process has continuously developed throughout the entire formative period of humanity. At first, people exchanged goods. Later, money was invented, and this led to the development of various economic segments....

Software DApps services allow you to make a direct exchange of various crypto assets between users according to pre-established rules. Their fundamental difference is that they do not store user funds and do not control the movement of assets. Smart contracts are at the head of such services, and not organizations controlled by a centralized authority...

Escrow is the process of holding funds from transactions by a third party until all terms of the transaction are met. Escrow is an important technology that provides trust between the parties, which has already become the standard for quality service. Thanks to its mechanism, control over the transaction asset pass from the seller to an independent party, which can be the blockchain itself...