Block and chain, as the word suggests, a chain made of blocks! So we know what are these blocks. Blocks can be a kind of database! People who work with computers know databases adequately! And for people that do not know, whenever we say in simple language, then a database https://eduardoogyp04815.blogdeazar.com/30700665/what-is-blockсhain-technology-and-how-does-it-work