Not exact matches
First introduced in Adam Beck's Hashcash system in 2002, proof of work is the idea tjat each
node in the
network has to show it has done some computational work
on each block it
creates before that block can be added to the chain.
By using a key generation algorithm, an attacker could
create an unlimited number of
node IDs (identifiers
on the peer - to - peer
network) very quickly.
To answer this problem, he began
creating the Ethereum
network, where each
node doubles as a virtual machine and can run applications
on the native scripting language and cryptocurrency, called Ether.
Miners verify transactions across the
network and
create new blocks
on the blockchain, while master
nodes perform PrivateSend, InstantSend, and governance functions.
Having data stored in many different places and needing every blockchain
node, database or ledger of transactions to check against each other
creates limitations
on how quickly data can propagate throughout the
network.
Well the answer is that bitcoin offers the largest public blockchain in the world, the
network is kept secure and active by the thousands of
nodes and miners that operate within it; and business owners can
create scalable products
on top of bitcoin's blockchain with this security in mind.