What type of attack would be considered a very large flaw in public blockchains such as Bitcoin's Blockchain where the majority of hashpower could possibly be controlled thru an attack?What is the specific attack Bitcoin could be exposed to?
How many satoshis are in 1 bitcoin and how many wei in an Ether? (Select two.)
In the Proof of Stake(POS) algorithm the miners are really known as ___________?
A ____________cipher basically means it is using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.What is the cipher type?
You currently using the Metamask Chrome plugin and you see a selection for Etherescan in the plugin.What is Etherscan used for?
SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).