Think of it as an append-only database with 512 KB chunks. Once a chunk is written, it has a hash associated to it. The next chunk will have the first line to

Think of it as an append-only database with 512 KB chunks. Once a chunk is written, it has a hash associated to it. The next chunk will have the first line to the previous hash, showing data continuity. Yeah, it's more complicated than that, but that's the raw essential basics.