Things to note...
DO NOT USE MD5, SHA1 for your secure applications e.g. ditigal signatures
YOU CAN USE SHA-2 i.e. SHA256, SHA512
ANY HASH IS CRACKABLE, (EASIER FOR MD5 and SHA1) AND MORE HARDER IF IT HAS A "SALT"
THE MOST ADVANCED ENCRYPTION IS BCRYPT.
What is a CHF?
A digital ledger in which transactions made in bitcoin
or another cryptocurrency are recorded chronologically and publicly.
In more general terms, it’s a public database where new data are stored
in a container called a block and are added to an immutable chain
(hence blockchain) with...