Block and chain, as the word suggests, a series made of blocks! So we know very well what are these blocks. Blocks really are a kind of database! People who work on computers know databases very well! And for those that do not know, if we say in simple language, https://lorenzoixlx58146.tusblogos.com/30593884/what-is-blockсhain-technology-and-how-does-it-work