Block and chain, because word suggests, a chain made of blocks! So we determine what are these blocks. Blocks can be a kind of database! People who work on computers know databases perfectly! And for those who do not know, when we say in simple language, then your database is https://josueilml16273.madmouseblog.com/11037275/what-is-blockсhain-technology-and-how-does-it-work