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