What is BLOCK CHAIN ??
Block Chain is the base technology behind crypto currency and this technology only makes it impossible for crypto currency not to be tempered or modify or cheated. In other words its an information organising and storing system in which bunch of information are connected with different blocks (here blocks refer to a piece of information) ever block has generally 3-parts. 1. Hash code (Unique Identification / encrypted code) 2.Information / Data 3. Hash Code of preceding block. As this block chains are highly interconnected it would be impossible / very very difficult to modify or change block as a single change will lead to change in the complete block chain. Block chains are also very de centralized there is absolutely zero server down time (ie. no error 404 !! ), this happens as every block chains are saved on all computers/devices connected with block chains as nodes. And it would be not possible to switch off all nodes at same time. Is there any threat to information sav...