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