The document describes the advancement of technology in commercial negotiations and functionality for various electronic transactions in Ecuador, with the aim of analyzing the blockchain and its adoption in managing e-commerce. The quantitative approach with a deductive and descriptive method has been used to identify the benefits in transactional activities and data security, both customers and businesses. The results indicated that it is effective use of cryptography, the algorithm EDCSA, together with the SHA algorithm to maintain greater security efforts. It was concluded that the use of these algorithms are effective for transactions of buying and selling and financial aspects, but it needs to maintain a permanent control and simulation processes to avoid flaws in procedures.