Not exact matches
You receive only the output of these operations, such as encrypted
data or a
cryptographic signature verification outcome.
The header stores a
cryptographic hash of the previous block, along with a time
signature and other
data.
Signatures are a
cryptographic trick which uses a private key in combination with any other
data to calculate a unique string of numbers.
So they've focused on a technological upgrade called Segregated Witness (known as SegWit in the industry) that separates
cryptographic signatures from the rest of the blockchain
data, thus effectively increasing block size.